Electrode manufacturing apparatus

Abstract

The electrode manufacturing device according to one embodiment of the present disclosure can include: an electrode sheet providing roller that conveys a front electrode sheet formed with one surface and another surface; a position adjusting roller adjacent to the electrode sheet providing roller, which receives the front electrode sheet from the electrode sheet providing roller; a laminating roller and a pressing roller that receive the front electrode sheet from the position adjusting roller, and the laminating roller and the pressing roller face each other; an active material supply roller that faces the laminating roller and supplies an active material to the laminating roller; and a heater that supplies heat to a heating area of the front electrode sheet located between the electrode sheet providing roller and the position adjusting roller, and the front electrode sheet and the active material can be fed between the laminating roller and the pressing roller and discharged.

Description

Technical Field

[0001] This disclosure relates to an electrode manufacturing apparatus. Background Technology

[0002] Electrodes for secondary batteries are formed by bonding binders and active materials onto sheet-shaped electrode current collectors. The active materials, in a dry powder state, can be bonded to the binder through deformation, and the thickness and bonding strength of the active materials can affect the performance of the secondary battery. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] According to one aspect of this disclosure, one technical problem to be solved by this disclosure is to provide an electrode manufacturing apparatus for incorporating an active material into an adhesive coated on an electrode current collector.

[0005] According to another aspect of this disclosure, another technical problem to be solved by this disclosure is to provide an electrode manufacturing apparatus for adjusting the temperature of an active material attached to a front electrode sheet.

[0006] (II) Technical Solution

[0007] An electrode manufacturing apparatus according to this disclosure may include: an electrode sheet supply roller for conveying a pre-electrode sheet having one side and the other side formed thereon; a position adjustment roller adjacent to the electrode sheet supply roller for receiving the pre-electrode sheet from the electrode sheet supply roller; a laminating roller and a pressure roller for receiving the pre-electrode sheet from the position adjustment roller, the laminating roller and the pressure roller facing each other; an active material supply roller facing the laminating roller and supplying active material to the laminating roller; and a heater for providing heat to a heating region of the pre-electrode sheet located between the electrode sheet supply roller and the position adjustment roller, wherein the pre-electrode sheet and the active material may be fed between the laminating roller and the pressure roller and discharged.

[0008] An electrode manufacturing apparatus according to this disclosure may include: an electrode sheet supply roller for conveying a pre-electrode sheet having one side and the other side formed thereon; a position adjustment roller adjacent to the electrode sheet supply roller for receiving the pre-electrode sheet from the electrode sheet supply roller; a laminating roller and a pressure roller for receiving the pre-electrode sheet from the position adjustment roller, the laminating roller and the pressure roller facing each other; an active material supply roller facing the laminating roller and supplying active material to the laminating roller; a heater for providing heat to a heating region in the pre-electrode sheet located between the electrode sheet supply roller and the position adjustment roller; and an electrode thickness measuring device for measuring the thickness of a rear electrode sheet formed by combining the pre-electrode sheet and the active material, the pre-electrode sheet and the active material being fed between the laminating roller and the pressure roller and discharged to form the rear electrode sheet.

[0009] (III) Beneficial Effects

[0010] According to one embodiment of the present disclosure, an electrode manufacturing apparatus may be provided that incorporates an active material into an adhesive coated on an electrode current collector.

[0011] According to one embodiment of the present disclosure, an electrode manufacturing apparatus for adjusting the temperature of an active material attached to a front electrode sheet can be provided.

[0012] The electrode manufacturing apparatus disclosed herein can be widely used in electric vehicles, battery charging stations, and other green technology fields that utilize batteries, such as solar power generation and wind power generation.

[0013] The electrode manufacturing apparatus disclosed herein can be used to manufacture batteries for use in eco-friendly electric vehicles, hybrid vehicles, and the like, which prevent climate change by suppressing air pollution and greenhouse gas emissions. Attached Figure Description

[0014] Figure 1 This is a diagram illustrating an electrode manufacturing apparatus according to an embodiment of the present disclosure.

[0015] Figure 2 It is shown Figure 1 A diagram of the electrode manufacturing apparatus shown.

[0016] Figure 3 It is along Figure 2 The diagram shown is a cross-sectional view of a portion of the sensor assembly and the active material delivery roller, taken along line A1-A2.

[0017] Figure 4 This is a diagram illustrating a laminating roller unit according to an embodiment of the present disclosure.

[0018] Figure 5 This is a diagram showing an electrode manufacturing apparatus in which active materials are coated on both sides of an electrode sheet.

[0019] Figure 6 This is a block diagram of an electrode manufacturing apparatus according to an embodiment of the present disclosure.

[0020] Figure 7 This is a block diagram of an electrode manufacturing apparatus according to an embodiment of the present disclosure.

[0021] Figure 8 This is a flowchart illustrating an electrode manufacturing method according to an embodiment of the present disclosure.

[0022] Figure 9 It is shown Figure 8 The flowchart shown illustrates the steps involved in the binding of the active substance.

[0023] Figure 10 It is shown Figure 8 The flowchart shown illustrates the electrode inspection steps.

[0024] Figure 11 This is a flowchart illustrating the active material binding step, including the front electrode heating step. Detailed Implementation

[0025] The following will refer to Figures 1 to 11 This disclosure will be described in detail. However, this is merely exemplary, and this disclosure is not limited to the specific embodiments described herein.

[0026] Figure 1 This is a diagram illustrating an electrode manufacturing apparatus according to an embodiment of the present disclosure. Figure 2 It is shown Figure 1 A diagram of the electrode manufacturing apparatus shown.

[0027] Reference Figure 1 and Figure 2 Electrode manufacturing apparatus 1 may include electrode manufacturing apparatus 10. For example, electrode manufacturing apparatus 1 may include a first electrode manufacturing apparatus 11. Electrode manufacturing apparatus 10 may include or refer to the first electrode manufacturing apparatus 11 and the second electrode manufacturing apparatus 12 (see reference). Figure 5 At least one of the following.

[0028] The electrode manufacturing apparatus 10 can transport electrode sheets 50. For example, the electrode manufacturing apparatus 10 may include an electrode transport roller assembly 100. The electrode transport roller assembly 100 can transport electrode sheets 50.

[0029] The electrode conveying roller assembly 100 may include a plurality of electrode conveying rollers 101, ..., 113. For example, the electrode conveying roller assembly 100 may include a first electrode conveying roller 101, a second electrode conveying roller 102, a third electrode conveying roller 103, a fourth electrode conveying roller 104, a fifth electrode conveying roller 105, a sixth electrode conveying roller 106, a seventh electrode conveying roller 107, an eighth electrode conveying roller 108, a ninth electrode conveying roller 109, a tenth electrode conveying roller 110, an eleventh electrode conveying roller 111, a twelfth electrode conveying roller 112, and a thirteenth electrode conveying roller 113.

[0030] The electrode sheet 50 can be shaped to extend along its length. For example, the length direction of the electrode sheet 50 can be the direction in which the electrode sheet 50 is conveyed by the electrode conveying roller assembly 100.

[0031] The electrode sheet 50 may have a sheet shape. For example, the electrode sheet 50 may be formed on both sides. For example, the upper surface 50t of the electrode sheet may form the upper face of the electrode sheet 50. For example, the lower surface 50b of the electrode sheet may form the lower face of the electrode sheet 50.

[0032] The electrode sheet 50 may include an electrode current collector 51. The electrode current collector 51 may be made of metal. For example, the electrode current collector 51 may be made of at least one of copper (Cu) and aluminum (Al). The electrode current collector 51 may have a sheet shape.

[0033] The electrode sheet 50 may include an adhesive 52. The adhesive 52 may be applied to one or both sides of the electrode current collector 51. For example, the adhesive 52 may be coated or laminated onto the electrode current collector 51.

[0034] For example, adhesive 52 can form at least one of the upper surface 50t and the lower surface 50b of the electrode sheet. The electrode current collector 51 and adhesive 52 can form a layer. In other words, adhesive 52 can be laminated onto the electrode current collector 51.

[0035] The electrode sheet 50 may contain an active material 53. The active material 53 may contain at least one of lithium (Li), cobalt (Co), oxygen (O), manganese (Mn), nickel (Ni), aluminum (Al), phosphorus (P) and iron (Fe).

[0036] The active material 53 can be bonded to the adhesive 52. For example, the active material 53 can be coated onto the adhesive 52. When the active material 53 is bonded to the adhesive 52, the active material 53 can form at least one of the upper surface 50t and the lower surface 50b of the electrode sheet.

[0037] For example, electrode current collector 51, binder 52 and active material 53 can form a layer.

[0038] The electrode manufacturing apparatus 10 may include an active material conveying roller assembly 200. The active material conveying roller assembly 200 may include a plurality of active material conveying rollers 201, 202, 203, and 204.

[0039] For example, the active substance delivery roller assembly 200 may include a first active substance delivery roller 201, a second active substance delivery roller 202, a third active substance delivery roller 203, and a fourth active substance delivery roller 204.

[0040] The active substance conveying rollers 201, 202, 203, and 204 may include or refer to at least one of the first active substance conveying roller 201, the second active substance conveying roller 202, the third active substance conveying roller 203, and the fourth active substance conveying roller 204.

[0041] The active material 53 can be fed into the active material conveying rollers 201, 202, 203, and 204. For example, the active material 53 fed into the active material conveying rollers 201, 202, 203, and 204 can be in a dry powder state. For example, the powdered active material 53 can be fed between the first active material conveying roller 201 and the second active material conveying roller 202.

[0042] The first active material conveying roller 201 and the second active material conveying roller 202 can change at least one of the states and forms of the active material. For example, the first active material conveying roller 201 and the second active material conveying roller 202 can apply pressure to the active material 53 in powder form.

[0043] For example, the first active material conveying roller 201 and the second active material conveying roller 202 can convert the active material 53 in powder state into the active material 53 in film state.

[0044] The first active substance conveying roller 201 and the second active substance conveying roller 202 may face each other. The rotation axis of the first active substance conveying roller 201 and the rotation axis of the second active substance conveying roller 202 may be parallel to each other.

[0045] The first active material conveying roller 201 and the second active material conveying roller 202 can rotate in opposite directions. The circumferential speed of the outer surface of the first active material conveying roller 201 can be different from the circumferential speed of the outer surface of the second active material conveying roller 202.

[0046] For example, the speed of the outer circumferential surface of the second active material conveying roller 202 can be greater than the speed of the outer circumferential surface of the first active material conveying roller 201. When the radius of the first active material conveying roller 201 and the radius of the second active material conveying roller 202 are the same, the angular speed of the second active material conveying roller 202 can be greater than the angular speed of the first active material conveying roller 201.

[0047] For example, when the speed of the outer peripheral surface of the second active material conveying roller 202 is greater than the speed of the outer peripheral surface of the first active material conveying roller 201, a shear force can be applied to the active material 53. Thus, the active material 53 in the thin film state can come into contact with and rotate with the second active material conveying roller 202.

[0048] The second active material conveying roller 202 and the third active material conveying roller 203 may face each other. The rotation axis of the second active material conveying roller 202 and the rotation axis of the third active material conveying roller 203 may be parallel to each other.

[0049] The first active material conveying roller 201, the second active material conveying roller 202, and the third active material conveying roller 203 can be arranged sequentially. For example, the second active material conveying roller 202 can be arranged between the first active material conveying roller 201 and the third active material conveying roller 203.

[0050] The second active material conveying roller 202 and the third active material conveying roller 203 can rotate in opposite directions. The speed of the outer circumferential surface of the second active material conveying roller 202 can be different from the speed of the outer circumferential surface of the third active material conveying roller 203.

[0051] For example, the speed of the outer circumferential surface of the third active material conveying roller 203 can be greater than the speed of the outer circumferential surface of the second active material conveying roller 202. When the radius of the second active material conveying roller 202 and the radius of the third active material conveying roller 203 are the same, the angular velocity of the third active material conveying roller 203 can be greater than the angular velocity of the second active material conveying roller 202.

[0052] For example, when the speed of the outer peripheral surface of the third active material conveying roller 203 is greater than the speed of the outer peripheral surface of the second active material conveying roller 202, a shear force can be applied to the active material 53 between the second active material conveying roller 202 and the third active material conveying roller 203. As a result, the active material 53 in the film state can be separated from the second active material conveying roller 202 and come into contact with and rotate with the third active material conveying roller 203.

[0053] The second active material conveying roller 202 and the third active material conveying roller 203 can apply pressure to the active material 53 in the film state. For example, the thickness of the active material 53 that contacts and rotates with the third active material conveying roller 203 can be less than the thickness of the active material 53 that contacts and rotates with the second active material conveying roller 202.

[0054] The third active material conveying roller 203 and the fourth active material conveying roller 204 may face each other. The rotation axis of the third active material conveying roller 203 and the rotation axis of the fourth active material conveying roller 204 may be parallel to each other.

[0055] The second active material conveying roller 202, the third active material conveying roller 203, and the fourth active material conveying roller 204 can be arranged sequentially. For example, the third active material conveying roller 203 can be arranged between the second active material conveying roller 202 and the fourth active material conveying roller 204.

[0056] The third active material conveying roller 203 and the fourth active material conveying roller 204 can rotate in opposite directions. The speed of the outer circumferential surface of the fourth active material conveying roller 204 can be different from the speed of the outer circumferential surface of the third active material conveying roller 203.

[0057] For example, the speed of the outer circumferential surface of the fourth active material conveying roller 204 can be greater than the speed of the outer circumferential surface of the third active material conveying roller 203. When the radius of the third active material conveying roller 203 and the radius of the fourth active material conveying roller 204 are the same, the angular velocity of the fourth active material conveying roller 204 can be greater than the angular velocity of the third active material conveying roller 203.

[0058] For example, when the speed of the outer peripheral surface of the fourth active material conveying roller 204 is greater than the speed of the outer peripheral surface of the third active material conveying roller 203, a shear force can be applied to the active material 53 between the third active material conveying roller 203 and the fourth active material conveying roller 204. As a result, the active material 53 in the film state can be separated from the third active material conveying roller 203 and come into contact with and rotate with the fourth active material conveying roller 204.

[0059] The third active material conveying roller 203 and the fourth active material conveying roller 204 can apply pressure to the active material 53 in the film state. For example, the thickness of the active material 53 that contacts and rotates with the fourth active material conveying roller 204 can be less than the thickness of the active material 53 that contacts and rotates with the third active material conveying roller 203.

[0060] The electrode manufacturing apparatus 10 may include a sensor assembly 300. The sensor assembly 300 may include a roller sensor unit 310 and an active material sensor unit 320.

[0061] The sensor assembly 300 may be oriented toward the active substance delivery roller assembly 200. For example, the sensor assembly 300 may measure the distance between the active substance delivery roller assembly 200 and the sensor assembly 300.

[0062] For example, the roller sensor unit 310 can measure the distance between the fourth active material conveying roller 204 and the roller sensor unit 310. For example, the roller sensor unit 310 can measure the distance between the outer peripheral surface of the fourth active material conveying roller 204 and the roller sensor unit 310.

[0063] The roller sensor unit 310 and the active material sensor unit 320 can measure the thickness of the active material 53 that is in contact with the fourth active material conveying roller 204. For example, the roller sensor unit 310 can measure the distance between the roller sensor unit 310 and the outer peripheral surface of the fourth active material conveying roller 204.

[0064] Subsequently, the active material sensor unit 320 can measure the distance between the active material 53, which is in contact with the outer peripheral surface of the fourth active material conveying roller 204, and the active material sensor unit 320.

[0065] The distance between the active material sensor unit 320 and the outer peripheral surface of the fourth active material conveying roller 204 can be called the "roller distance". The distance between the active material 53, which is in contact with the outer peripheral surface of the fourth active material conveying roller 204, and the active material sensor unit 320 can be called the "active material distance". The thickness of the active material in contact with the outer peripheral surface of the fourth active material conveying roller 204 can be the difference between the active material distance and the roller distance.

[0066] The position of the roller sensor unit 310 can be set so that the distance between the roller sensor unit 310 and the fourth active material conveying roller 204 is called the roller distance. If the distance measured by the roller sensor unit 310 is different from the roller distance, it can be determined that the position of the fourth active material conveying roller 204 has changed.

[0067] The electrode manufacturing apparatus 10 may include a laminating roller unit 400. The laminating roller unit 400 may include a laminating roller 410.

[0068] The laminating roller 410 and the fourth active material conveying roller 204 may face each other. The rotation axis of the laminating roller 410 and the rotation axis of the fourth active material conveying roller 204 may be parallel to each other.

[0069] The laminating roller 410 and the fourth active material conveying roller 204 can rotate in opposite directions. The speed of the outer circumferential surface of the laminating roller 410 can be different from the speed of the outer circumferential surface of the fourth active material conveying roller 204.

[0070] For example, the speed of the outer circumferential surface of the laminating roller 410 can be greater than the speed of the outer circumferential surface of the fourth active material conveying roller 204. When the radius of the laminating roller 410 and the radius of the fourth active material conveying roller 204 are the same, the angular velocity of the laminating roller 410 can be greater than the angular velocity of the fourth active material conveying roller 204.

[0071] For example, when the speed of the outer peripheral surface of the laminating roller 410 is greater than the speed of the outer peripheral surface of the fourth active material conveying roller 204, a shearing force can be applied to the active material 53 between the fourth active material conveying roller 204 and the laminating roller 410. As a result, the active material 53 in the film state can be separated from the fourth active material conveying roller 204, come into contact with the laminating roller 410, and rotate.

[0072] In other words, the fourth active material delivery roller 204 can provide the active material 53 in film form to the laminating roller 410. In this case, the fourth active material delivery roller 204 can be referred to as the "active material supply roller".

[0073] The laminating roller 410 and the fourth active material conveying roller 204 can apply pressure to the active material 53 in the film state. For example, the thickness of the active material 53 that is in contact with and rotates with the laminating roller 410 can be less than the thickness of the active material 53 that is in contact with and rotates with the fourth active material conveying roller 204.

[0074] The laminating roller 410 can provide heat to the active material 53. For example, the outer peripheral surface of the laminating roller 410 can transfer heat to the active material 53. For example, the laminating roller 410 can be provided with a heating element (not shown). For example, the heating element (not shown) provided on the laminating roller 410 can provide heat to the outer peripheral surface of the laminating roller 410.

[0075] The electrode manufacturing apparatus 10 may include a pressure roller 600. The pressure roller 600 may face the laminating roller 410. The rotation axis of the pressure roller 600 and the rotation axis of the laminating roller 410 may be parallel to each other.

[0076] The fourth active material conveying roller 204, the laminating roller 410, and the pressure roller 600 can be arranged sequentially. For example, the laminating roller 410 can be arranged between the fourth active material conveying roller 204 and the pressure roller 600.

[0077] The pressure roller 600 and the laminating roller 410 can rotate in opposite directions. The speed of the outer circumferential surface of the pressure roller 600 can be the same as the speed of the outer circumferential surface of the laminating roller 410.

[0078] Electrode sheet 50 and active material 53 can be fed between pressure roller 600 and laminating roller 410. Pressure roller 600 and laminating roller 410 can apply pressure to electrode sheet 50 and active material 53.

[0079] The electrode sheet 50 fed between the pressure roller 600 and the laminating roller 410 can be called the "pre-electrode sheet". The electrode sheet 50 discharged from between the pressure roller 600 and the laminating roller 410 can be called the "post-electrode sheet".

[0080] The active material 53, which is fed between the pressure roller 600 and the laminating roller 410, can bind to the front electrode sheet 50, which is fed between the pressure roller 600 and the laminating roller 410.

[0081] For example, the active material in the thin film state that is fed between the pressure roller 600 and the laminating roller 410 can be bonded to the adhesive 52 of the front electrode sheet 50 that is fed between the pressure roller 600 and the laminating roller 410.

[0082] The outer peripheral surface of the pressure roller 600 can be made of an elastic material. For example, the outer peripheral surface of the pressure roller 600 can be formed of a material containing silicon. For example, the outer peripheral surface of the pressure roller 600 can be formed of a material containing a polymer.

[0083] The electrode manufacturing apparatus 10 may include a position adjusting roller 500. The position adjusting roller 500 can transport electrode sheets 50. The position adjusting roller 500 can transfer electrode sheets 50 received from the eighth electrode transport roller 108 to the pressure roller 600.

[0084] The electrode sheet 50 can be conveyed from the eighth electrode conveying roller 108 to the position adjusting roller 500, and then from the position adjusting roller 500 to the laminating roller 410, and can be in contact with the active material 53 on the laminating roller 410. In this case, the eighth electrode conveying roller 108 can be referred to as the "electrode sheet providing roller".

[0085] The active material 53 on the laminating roller 410 and the adhesive 52 of the electrode sheet 50 can bond together as they pass between the laminating roller 410 and the pressure roller 600.

[0086] For example, the front electrode sheet 50 and the active material 53 can be fed between the laminating roller 410 and the pressure roller 600. The front electrode sheet 50 and the active material 53 can be bonded together.

[0087] For example, the adhesive 52 can form the lower surface 50b of the front electrode sheet before the active material 53 on the laminating roller 410 and the adhesive 52 of the front electrode sheet 50 are bonded to each other.

[0088] For example, after the active material 53 located on the laminating roller 410 and the adhesive 52 of the front electrode sheet 50 are bonded to each other, the active material 53 can form the lower electrode surface 50b of the rear electrode sheet 50.

[0089] The length of the front electrode sheet 50, which is in contact with the laminating roller 410, can vary depending on the position of the position adjusting roller 500. The position of the position adjusting roller 500 can be adjusted. For example, the position of the position adjusting roller 500 can be adjusted to optimize the length of the front electrode sheet 50, which is in contact with the laminating roller 410.

[0090] The sensor assembly 300 may include a temperature sensor unit 330. The temperature sensor unit 330 can measure the temperature of the front electrode sheet 50 that is in contact with the laminating roller 410.

[0091] The electrode manufacturing apparatus 10 may include a heater 700. The heater 700 may be located between the electrode conveying assembly 100 and the position adjusting roller 500. For example, the heater 700 may be located between the eighth electrode conveying roller 108 and the position adjusting roller 500.

[0092] Heater 700 can provide heat to the front electrode plate 50 conveyed to the position adjusting roller 500. For example, heater 700 can provide infrared or near-infrared light to the front electrode plate 50. For example, heater 700 may include at least one of light emission diode (LED), laser, and heating lamp.

[0093] For example, the heater 700 can increase the temperature of the front electrode 50. For example, when the front electrode 50 is heated, the temperature of the adhesive 52 of the electrode 50 can reach a temperature suitable for the bonding of the adhesive 52 and the active material 53.

[0094] For example, heater 700 may face the side of front electrode 50. For example, heater 700 may face the adhesive 52 of front electrode 50. For example, heater 700 may provide heat to the adhesive 52 of front electrode 50.

[0095] In the front electrode sheet 50, the area located between the position adjusting roller 500 and the eighth electrode conveying roller 108 can be referred to as the "heating area". The heater 700 can face the heating area. For example, the heater 700 can provide heat to the heating area.

[0096] The temperature sensor unit 330 can measure at least one of the temperature of the front electrode sheet 50 connected to the laminating roller 410 and the temperature of the heating zone.

[0097] If the heater 700 includes a heating lamp, the distance between the heater 700 and the heating area can be adjusted to regulate the temperature of the front electrode plate 50. If the heater 700 includes a laser, the power of the heater 700 can be adjusted to regulate the temperature of the front electrode plate 50.

[0098] Electrode manufacturing apparatus 1 may include an electrode thickness measuring device 20. For example, electrode manufacturing apparatus 1 may include a first electrode thickness measuring device 21. Electrode thickness measuring device 20 may include or refer to the first electrode thickness measuring device 21 and a second electrode thickness measuring device 22 (see reference). Figure 5 At least one of the following.

[0099] The electrode thickness measuring device 20 can measure at least one of the thickness and thickness profile of the rear electrode sheet 50. For example, after the active material 53 is formed on one side of the rear electrode sheet 50, the first electrode thickness measuring device 21 can measure at least one of the thickness and thickness profile of the rear electrode sheet 50.

[0100] Figure 3 It is along Figure 2 The diagram shown is a cross-sectional view of a portion of the sensor assembly and the active material delivery roller, taken along line A1-A2.

[0101] Reference Figure 2 and Figure 3 The fourth active material conveying roller 204 may have a cylinder shape. The fourth active material conveying roller 204 may have a shape extending along its length. The length direction of the fourth active material conveying roller 204 may be parallel to the direction of its rotation axis.

[0102] For example, the roller sensor unit 310 can face the fourth active material delivery roller 204. The roller sensor unit 310 can measure the distance between the fourth active material delivery roller 204 and the roller sensor unit 310.

[0103] For example, the active material sensor unit 320 can face the active material 53 that is in contact with the fourth active material conveying roller 204. The active material sensor unit 320 can measure the distance between the active material sensor unit 320 and the active material 53.

[0104] The roller sensor unit 310 may include multiple roller sensors 311, 312, and 313. The multiple roller sensors 311, 312, and 313 may be arranged along the length direction of the fourth active material conveying roller 204.

[0105] For example, the roller sensor unit 310 may include a first roller sensor 311, a second roller sensor 312, and a third roller sensor 313. Roller sensors 311, 312, and 313 may include or refer to at least one of the first roller sensor 311, the second roller sensor 312, and the third roller sensor 313.

[0106] The active substance sensor unit 320 may include multiple active substance sensors 321, 322, and 323. For example, the multiple active substance sensors 321, 322, and 323 may be arranged along the length direction of the fourth active substance conveying roller 204.

[0107] For example, the active substance sensor unit 320 may include a first active substance sensor 321, a second active substance sensor 322, and a third active substance sensor 323. The active substance sensors 321, 322, and 323 may include or refer to at least one of the first active substance sensor 321, the second active substance sensor 322, and the third active substance sensor 323.

[0108] The roller sensor unit 310 and the active substance sensor unit 320 can be positioned across the fourth active substance conveying roller 204.

[0109] For example, the first roller sensor 311 and the first active substance sensor 321 may be positioned across the fourth active substance delivery roller 204. For example, the first roller sensor 311 and the first active substance sensor 321 may be oriented toward a first point on the rotation axis of the fourth active substance delivery roller 204.

[0110] For example, the second roller sensor 312 and the second active substance sensor 322 can be positioned across the fourth active substance delivery roller 204. For example, the second roller sensor 312 and the second active substance sensor 322 can be oriented toward a second point on the rotation axis of the fourth active substance delivery roller 204.

[0111] For example, the third roller sensor 313 and the third active substance sensor 323 may be positioned across the fourth active substance delivery roller 204. For example, the third roller sensor 313 and the third active substance sensor 323 may be oriented toward a third point on the rotation axis of the fourth active substance delivery roller 204.

[0112] The sensor assembly 300 can measure the thickness of the active material 53 in contact with the fourth active material delivery roller 204. For example, the sensor assembly 300 can measure the thickness profile of the active material 53 in contact with the fourth active material delivery roller 204. For example, the sensor assembly 300 can measure the depth profile of the thin film-like active material 53 in contact with the fourth active material delivery roller 204 with reference to the rotation axis of the fourth active material delivery roller 204.

[0113] Figure 4 This is a diagram illustrating a laminating roller unit according to an embodiment of the present disclosure.

[0114] Reference and Figure 4The laminating roller unit 400 may include a laminating roller 410. The laminating roller 410 may have a shape extending along the rotation axis of the laminating roller 410. The length direction of the laminating roller 410 may be the same as the length direction of the rotation axis of the laminating roller 410.

[0115] The laminating roller unit 400 may include a coupling shaft 420. Multiple coupling shafts 420 may be provided. For example, the laminating roller unit 400 may include a first coupling shaft 420a and a second coupling shaft 420b. The coupling shaft 420 may include or refer to at least one of the first coupling shaft 420a and the second coupling shaft 420b.

[0116] The coupling shaft 420 can be connected to or coupled to the laminating roller 410. For example, the rotation shaft of the coupling shaft 420 can be connected to or coupled to the rotation shaft of the laminating roller 410.

[0117] For example, the first coupling shaft 420a may be connected to or coupled to one end of the laminating roller 410. For example, the rotation shaft of the first coupling shaft 420a may be connected to or coupled to one end of the rotation shaft of the laminating roller 410.

[0118] For example, the second coupling shaft 420b can be connected to or coupled to the other end of the laminating roller 410. For example, the rotation shaft of the second coupling shaft 420b can be connected to or coupled to the other end of the rotation shaft of the laminating roller 410.

[0119] The laminating roller unit 400 may include an inner housing 430. The inner housing 430 may accommodate a coupling shaft 420. The coupling shaft 420 may be rotatably coupled into the inner housing 430.

[0120] Multiple inner shells 430 may be provided. For example, the laminating roller unit 400 may include a first inner shell 430a and a second inner shell 430b. The inner shell 430 may include or refer to at least one of the first inner shell 430a and the second inner shell 430b.

[0121] For example, the first inner housing 430a may accommodate the first coupling shaft 420a. For example, the first coupling shaft 420a may be rotatably coupled within the first inner housing 430a.

[0122] For example, the second inner housing 430b may accommodate the second coupling shaft 420b. For example, the second coupling shaft 420b may be rotatably coupled within the second inner housing 430b.

[0123] The laminating roller unit 400 may include an inner shell mover 440. The inner shell mover 440 may be connected to or coupled to the inner shell 430.

[0124] Multiple inner shell movers 440 may be provided. For example, the laminating roller unit 400 may include a first inner shell mover 440a and a second inner shell mover 440b. The inner shell mover 440 may include or refer to at least one of the first inner shell mover 440a and the second inner shell mover 440b.

[0125] For example, a first inner shell mover 440a may be connected to or coupled to a first inner shell 430a. For example, a second inner shell mover 440b may be connected to or coupled to a second inner shell 430b.

[0126] The inner shell mover 440 may include an inner shell mover body 441 and an inner shell mover rod 442. The inner shell mover rod 442 may be movably coupled to the inner shell mover body 441.

[0127] One end of the inner shell mover rod 442 can be connected to or combined with the inner shell mover body 441, and the other end of the inner shell mover rod 442 can be connected to or combined with the inner shell 430.

[0128] The inner shell mover body 441 can provide driving force to the inner shell mover rod 442. When the inner shell mover rod 442 receives driving force from the inner shell mover body 441, the inner shell 430 can move radially along the coupling shaft 420.

[0129] When the inner shell 430 moves radially along the coupling shaft 420, the coupling shaft 420 can move radially along the coupling shaft 420.

[0130] The coupling shaft 420 can rotate synchronously with the laminating roller 410. For example, the coupling shaft 420 and the laminating roller 410 can transmit rotational force to each other. For example, the coupling shaft 420 can transmit rotational force to the laminating roller 410. For example, the laminating roller 410 can transmit rotational force to the coupling shaft 420.

[0131] For example, the rotation axis of the coupling shaft 420 and the rotation axis of the laminating roller 410 can be coaxial. As another example, the rotation axis of the coupling shaft 420 and the rotation axis of the laminating roller 410 can be angled. In other words, the coupling shaft 420 can be coupled to the laminating roller 410 in a manner that allows it to form an angle with the laminating roller 410.

[0132] For example, the gear provided on the coupling shaft 420 can be engaged with the gear formed on the laminating roller 410. Therefore, even if the rotation axis of the coupling shaft 420 and the rotation axis of the laminating roller 410 form an angle, rotational force can still be transmitted between the coupling shaft 420 and the laminating roller 410.

[0133] When the coupling shaft 420 moves radially along the coupling shaft 420, the rotation axis of the laminating roller 410 can move or tilt. When the rotation axis of the laminating roller 410 moves or tilts, the spacing shape between the laminating roller 410 and the fourth active material conveying roller 204 changes.

[0134] The first inner shell mover 440a may include a first inner shell mover body 441a and a first inner shell mover rod 442a. The second inner shell mover 440b may include a second inner shell mover body 441b and a second inner shell mover rod 442b.

[0135] The inner shell mover body 441 may include or refer to at least one of the first inner shell mover body 441a and the second inner shell mover body 441b.

[0136] The inner shell mover rod 442 may include or refer to at least one of the first inner shell mover rod 442a and the second inner shell mover rod 442b.

[0137] The laminating roller unit 400 may include a housing 450. The housing 450 may be adjacent to the inner housing 430. The housing 450 may accommodate a coupling shaft 420. The coupling shaft 420 may be rotatably coupled to the housing 450.

[0138] Multiple housings 450 may be provided. For example, the laminating roller unit 400 may include a first housing 450a and a second housing 450b. Housing 450 may include or refer to at least one of the first housing 450a and the second housing 450b.

[0139] The first inner shell 430a may be located between the first outer shell 450a and the laminating roller 410. The second inner shell 430b may be located between the second outer shell 450b and the laminating roller 410.

[0140] The first housing 450a can accommodate the first coupling shaft 420a. For example, the first coupling shaft 420a can be rotatably coupled to the first inner housing 430a and the first housing 450a.

[0141] The second housing 450b can accommodate the second coupling shaft 420b. For example, the second coupling shaft 420b can be rotatably coupled to the second inner housing 430b and the second housing 450b.

[0142] The laminating roller unit 400 may include a housing mover 460. The housing mover 460 may be connected to or coupled to the housing 450.

[0143] Multiple housing movers 460 may be provided. For example, the laminating roller unit 400 may include a first housing mover 460a and a second housing mover 460b. The housing mover 460 may include or refer to at least one of the first housing mover 460a and the second housing mover 460b.

[0144] For example, a first housing mover 460a may be connected to or coupled to a first housing 450a. For example, a second housing mover 460b may be connected to or coupled to a second housing 450b.

[0145] The housing mover 460 may include a housing mover body 461 and a housing mover rod 462. The housing mover rod 462 may be movably coupled to the housing mover body 461.

[0146] One end of the housing mover rod 462 can be connected to or attached to the housing mover body 461, and the other end of the housing mover rod 462 can be connected to or attached to the housing 450.

[0147] The housing mover body 461 can provide a driving force to the housing mover rod 462. When the housing mover rod 462 receives the driving force from the housing mover body 461, the housing 450 can move radially along the coupling shaft 420.

[0148] The housing mover body 461 may include or refer to at least one of the first housing mover body 461a and the second housing mover body 461b.

[0149] The housing mover lever 462 may include or refer to at least one of the first housing mover lever 462a and the second housing mover lever 462b.

[0150] The laminating roller unit 400 may include a rotary drive unit (not shown). The rotary drive unit (not shown) can rotate the laminating roller 410. For example, the laminating roller 410 can receive driving force from the rotary drive unit (not shown) and rotate about the rotation axis of the laminating roller 410.

[0151] For example, a rotary drive unit (not shown) can provide rotational force to the coupling shaft 420. When the coupling shaft 420 receives rotational force from the rotary drive unit (not shown), the coupling shaft 420 can rotate about its rotation axis. When the coupling shaft 420 rotates, the laminating roller 410 can rotate.

[0152] Figure 5 This is a diagram showing an electrode manufacturing apparatus in which active materials are coated on both sides of an electrode sheet.

[0153] Reference Figures 1 to 5 The electrode manufacturing apparatus 1 may include a first electrode manufacturing apparatus 11 and a second electrode manufacturing apparatus 12.

[0154] The first electrode manufacturing apparatus 11 can form an active material 53 on one side of the electrode sheet 50. For example, the active material 53 can be formed on the lower surface 50b of the electrode sheet by the first electrode manufacturing apparatus 11.

[0155] The second electrode manufacturing apparatus 12 can form an active material 53 on the other side of the electrode sheet 50. For example, the active material 53 can be formed on the upper surface 50t of the electrode sheet by means of the second electrode manufacturing apparatus 12.

[0156] The electrode manufacturing apparatus 1 may include a first electrode thickness measuring device 21 and a second electrode thickness measuring device 22.

[0157] For example, the first electrode thickness measuring device 21 can measure at least one of the thickness and thickness profile of the rear electrode sheet 50 on one side of which the active material 53 is formed.

[0158] For example, the second electrode thickness measuring device 22 (refer to) Figure 5 It can measure at least one of the thickness and thickness profile of the rear electrode sheet 50 on both sides of which active material 53 is formed.

[0159] Figure 6 This is a block diagram of an electrode manufacturing apparatus according to an embodiment of the present disclosure.

[0160] Reference Figures 1 to 6 The electrode manufacturing apparatus 10 may include a control unit 810 for processing signals. The control unit 810 can perform calculations. For example, the control unit 810 may process data or perform calculations according to a predetermined algorithm.

[0161] The control unit 810 can be implemented by at least one of a computer, a processor, a circuit board, a laptop, a server, or a printed circuit board (PCB).

[0162] The electrode manufacturing apparatus 10 may include an input unit 820. The input unit 820 can acquire input from users, etc. The input unit 820 can generate a first signal S1 and transmit it to the control unit 810. The first signal S1 may contain information about the input acquired by the input unit 820.

[0163] The sensor assembly 300 can generate a second signal S2 and transmit it to the control unit 810. The second signal S2 can contain information about the temperature of the electrode plate 50.

[0164] For example, the second signal S2 may contain information about the temperature of the portion of the front electrode sheet 50 that is in contact with the fourth active material delivery roller 204. For example, the second signal S2 may contain information about the temperature of the heating region in the front electrode sheet 50.

[0165] The second signal S2 may contain information about the thickness and thickness profile of the active material 53 that is in contact with the fourth active material conveying roller 204.

[0166] For example, the second signal S2 may contain information about the thickness profile of the active material 53 that is in contact with the fourth active material conveying roller 204. The control unit 810 can extract the thickness uniformity of the active material 53 that is in contact with the fourth active material conveying roller 204 from the information about the thickness profile of the active material 53 that is in contact with the fourth active material conveying roller 204.

[0167] For example, the second signal S2 may contain information about the overall thickness of the active material 53 in contact with the fourth active material conveying roller 204. For example, the control unit 810 may determine, based on the second signal S2, whether the value of subtracting the reference thickness from the overall thickness of the active material 53 in contact with the fourth active material conveying roller 204 is within the error range.

[0168] The control unit 810 can generate output signals S4, S5, S6, and S7 based on the input signals S1 and S2. For example, the control unit 810 can substitute the input signals S1 and S2 into a specific program or algorithm to obtain the output signals S4, S5, S6, and S7.

[0169] Input signals S1 and S2 may include or refer to at least one of the first signal S1 and the second signal S2. Output signals S4, S5, S6, and S7 may include or refer to at least one of the fourth signal S4, the fifth signal S5, the sixth signal S6, and the seventh signal S7.

[0170] The control unit 810 can transmit the fourth signal S4 to the electrode conveying roller assembly 100. The fourth signal S4 can contain instruction information regarding the conveying of the electrode sheet 50.

[0171] The electrode conveying roller assembly 100 can operate according to the fourth signal S4. For example, the electrode conveying roller assembly 100 can change the conveying speed of the electrode sheet 50 according to the fourth signal S4.

[0172] The control unit 810 can transmit the fifth signal S5 to the laminating roller unit 400. The fifth signal S5 may contain information about the operation of the laminating roller unit 400. For example, the fifth signal S5 may contain at least one of the following: information about the rotation of the laminating roller 410, information about the operation of the inner shell mover 440, and information about the operation of the outer shell mover 460.

[0173] The laminating roller unit 400 can be operated according to the fifth signal S5. For example, the laminating roller 410 can be rotated according to the fifth signal S5. For example, the rotational speed of the laminating roller 410 can be changed according to the fifth signal S5.

[0174] For example, the inner shell mover 440 can be operated according to the fifth signal S5. For example, when the inner shell mover 440 is operating according to the fifth signal S5, the inclination between the rotation axis of the laminating roller 410 and the rotation axis of the fourth active material conveying roller 204 can be adjusted.

[0175] For example, when the housing mover 460 is running according to the fifth signal S5, the distance between the laminating roller 410 and the fourth active material conveying roller 204 can be adjusted.

[0176] For example, according to the fifth signal S5, the housing mover 460 can operate.

[0177] The control unit 810 can transmit the sixth signal S6 to the position adjusting roller 500. The sixth signal S6 can contain information about the position of the position adjusting roller 500. The position of the position adjusting roller 500 can be fixed or adjusted according to the sixth signal S6.

[0178] The control unit 810 can transmit a seventh signal S7 to the heater 700. The seventh signal S7 may contain information about at least one of the position and power of the heater 700.

[0179] The heater 700 can operate according to the seventh signal S7. For example, the position of the heater 700 can be adjusted or fixed according to the seventh signal S7. For example, the power of the heater 700 can be adjusted according to the seventh signal S7.

[0180] The electrode manufacturing apparatus 10 may include a communication unit 830. The communication unit 830 can communicate with external mechanisms or peripheral devices. The communication unit 830 can transmit and receive signals with the control unit 810.

[0181] For example, the communication unit 830 can generate an eighth signal S8 and transmit it to the control unit 810. At this time, the eighth signal S8 can be included in the input signals S1, S2, and S8.

[0182] For example, the control unit 810 can generate an eighth signal S8 and transmit it to the communication unit 830. At this time, the eighth signal S8 can be included in the output signals S4, S5, S6, S7, and S8.

[0183] Figure 7 This is a block diagram illustrating an electrode manufacturing apparatus according to an embodiment of the present disclosure.

[0184] Reference Figures 1 to 7The electrode thickness measuring device 20 can generate a third signal S3 and transmit it to the control unit 810. The third signal S3 can be included in the input signals S1, S2, and S3. The third signal S3 can contain information about at least one of the thickness and thickness profile of the rear electrode sheet 50.

[0185] Figure 8 This is a flowchart illustrating an electrode manufacturing method according to an embodiment of the present disclosure.

[0186] Reference Figures 1 to 8 The electrode manufacturing method S10 may include a step S100 of coating an adhesive onto the electrode current collector 51. In this step S100, the adhesive 52 may be coated onto the electrode current collector 51. For example, in this step S100, the adhesive 52 may be coated onto at least one of the upper surface and the lower surface of the electrode current collector 51.

[0187] Electrode manufacturing method S10 may include step S200 of bonding active material 53 to adhesive 52. In this step S200, laminating roller unit 400 and pressure roller 600 may bond active material 53 to adhesive 52 contained in front electrode sheet 50.

[0188] The electrode manufacturing method S10 may include a step S300 of inspecting the electrode sheet 50. In this step S300, the electrode thickness measuring device 20 may measure at least one of the thickness and thickness profile of the electrode sheet 50.

[0189] Figure 9 It is shown Figure 8 The flowchart shown illustrates the steps involved in the binding of the active substance.

[0190] Reference Figures 1 to 9 The active material bonding step S200 may include a step S210 of measuring the active material 53. In this step S210, the sensor assembly 300 may measure at least one of the thickness and thickness profile of the active material 53 in contact with the fourth active material delivery roller 204.

[0191] The active substance binding step S200 may include a step S220 of determining whether the thickness of the active substance 53 is acceptable. In this step S220, the control unit 810 may perform a first active substance thickness determination and a second active substance thickness determination.

[0192] The first active material thickness judgment can be to determine whether the thickness uniformity of the active material 53 connected to the fourth active material conveying roller 204 is less than or equal to the reference active material thickness uniformity.

[0193] The uniformity of the thickness of the active material 53 connected to the fourth active material conveying roller 204 can be expressed as the degree of uniformity of the thickness of the active material 53 measured at multiple points.

[0194] For example, the thickness uniformity of the active material 53 connected to the fourth active material conveying roller 204 can be the standard deviation of the thickness of the active material 53 measured at multiple points.

[0195] The smaller the uniformity of the thickness of the active material 53 in contact with the fourth active material conveying roller 204, the more uniform the thickness of the active material 53 in contact with the fourth active material conveying roller 204.

[0196] For example, in step S220, when the control unit 810 performs the first active material thickness judgment, it can determine whether the thickness uniformity of the active material 53 connected to the fourth active material conveying roller 204 is less than or equal to the reference active material thickness uniformity.

[0197] The second active material thickness determination can be to determine the degree of difference between the overall thickness of the active material 53 in contact with the fourth active material conveying roller 204 and the reference active material thickness. The overall thickness of the active material 53 in contact with the fourth active material conveying roller 204 can be the average value of the thicknesses of the active material 53 measured at multiple points.

[0198] For example, in step S220, when the control unit 810 performs the second active material thickness determination, it can determine whether the absolute value of the difference between the overall thickness of the active material 53 connected to the fourth active material conveying roller 204 and the reference active material thickness is less than or equal to the reference active material thickness difference.

[0199] The active substance binding step S200 may include the laminating roller adjustment step S230.

[0200] If the thickness uniformity of the active material 53 connected to the fourth active material conveying roller 204 is greater than the reference active material thickness uniformity, the control unit 810 can perform step S230.

[0201] If the absolute value of the difference between the overall thickness of the active material 53 connected to the fourth active material conveying roller 204 and the thickness of the reference active material is greater than the difference in the thickness of the reference active material, the control unit 810 can perform step S230.

[0202] In step S230, the control unit 810 can generate a fifth signal S5 based on the first signal S1 and the second signal S2, and transmit the fifth signal S5 to the laminating roller unit 400. At least one of the inner shell mover 440 and the outer shell mover 460 can adjust at least one of the position and orientation of the laminating roller 410 based on the fifth signal S5.

[0203] The active material bonding step S200 may include a laminating roller rotation step S240. In this step S240, the laminating roller 410 may rotate and attach the active material 53 to the adhesive 52.

[0204] The laminating roller rotation step S240 can be performed in parallel with the active material measurement step S210. The laminating roller rotation step S240 can be performed in parallel with the step S220 of determining whether the thickness of the active material 53 is qualified. The laminating roller rotation step S240 can be performed in parallel with the laminating roller adjustment step S230.

[0205] The active material binding step S200 may include a step S250 of determining whether a termination reason has occurred. In this step S250, the control unit 810 may determine whether there is a reason to terminate the operation of the electrode manufacturing apparatus 10.

[0206] If it is determined that there is a reason to terminate the operation of the electrode manufacturing apparatus 10, the control unit 810 can terminate the active material bonding step S200. If it is determined that there is no reason to terminate the operation of the electrode manufacturing apparatus 10, the control unit 810 can perform the laminating roller rotation step S240 and the active material measurement step S210.

[0207] Figure 10 It is shown Figure 8 The flowchart shown illustrates the electrode inspection steps.

[0208] Reference Figures 1 to 10 The electrode sheet inspection step S300 may include a step S310 of measuring the thickness of the electrode sheet 50. In this step S310, the electrode thickness measuring device 20 may measure at least one of the thickness and thickness profile of the electrode sheet 50.

[0209] The electrode sheet inspection step S300 may include a step S320 to determine whether the thickness of the electrode sheet 50 is qualified. In this step S320, the control unit 810 may perform a first electrode sheet thickness determination and a second electrode sheet thickness determination.

[0210] The first electrode sheet thickness determination can be made by determining whether the thickness uniformity of the subsequent electrode sheet 50 is less than or equal to the thickness uniformity of the reference electrode sheet.

[0211] The thickness uniformity of the rear electrode sheet 50 can be expressed as the degree of uniformity of the thickness of the rear electrode sheet 50 measured at multiple points along the width direction of the rear electrode sheet 50.

[0212] For example, the thickness uniformity of the rear electrode 50 can be the standard deviation of the thickness of the rear electrode 50 measured at multiple points. The smaller the thickness uniformity of the rear electrode 50, the more uniform the thickness of the rear electrode 50.

[0213] For example, in step S320, when the control unit 810 is judging the thickness of the first electrode sheet, it can determine whether the thickness uniformity of the rear electrode sheet 50 is less than or equal to the thickness uniformity of the reference electrode sheet.

[0214] The second electrode thickness determination can be based on the degree of difference between the overall thickness of the rear electrode 50 and the thickness of the reference electrode. The overall thickness of the rear electrode 50 can be the average of the thicknesses of the rear electrode 50 measured at multiple points.

[0215] For example, in step S320, when the control unit 810 performs the second electrode sheet thickness determination, it can determine whether the absolute value of the difference between the overall thickness of the rear electrode sheet 50 and the thickness of the reference electrode sheet is less than or equal to the difference in thickness of the reference electrode sheet.

[0216] The electrode sheet inspection step S300 may include the laminating roller adjustment step S330.

[0217] If the thickness uniformity of the rear electrode sheet 50 is determined to be greater than the thickness uniformity of the reference electrode sheet, the control unit 810 may perform step S330. If the absolute value of the difference between the overall thickness of the rear electrode sheet 50 and the thickness of the reference electrode sheet is determined to be greater than the thickness difference of the reference electrode sheet, the control unit 810 may perform step S330.

[0218] In step S330, the control unit 810 can generate a fifth signal S5 based on the first signal S1 and the third signal S3, and transmit the fifth signal S5 to the laminating roller unit 400. At least one of the inner shell mover 440 and the outer shell mover 460 can adjust at least one of the position and orientation of the laminating roller 410 based on the fifth signal S5.

[0219] After step S330 is completed, the control unit 810 can proceed to the active material bonding step S200. If the thickness of the rear electrode sheet 50 is determined to be acceptable, the control unit 810 can proceed to the active material bonding step S200.

[0220] The electrode inspection step S300 can be performed after the active material binding step S200. As another example, the electrode inspection step S300 and the active material binding step S200 can be performed in parallel.

[0221] Figure 11 This is a flowchart illustrating the active material binding step, including the front electrode heating step.

[0222] Regarding the heating of the front electrode sheet 50, the active material bonding step S200 may include multiple processes (or steps).

[0223] The active material binding step S200 may include a front electrode sheet heating step S201. In this step S201, the heater 700 and the heating element (not shown) can heat the front electrode sheet 50.

[0224] The active material binding step S200 may include a step S202 of measuring the temperature of the front electrode 50. In this step S202, the temperature sensor unit 330 may measure the temperature of the front electrode 50.

[0225] The active material binding step S200 may include a step S203 of determining whether the temperature of the front electrode sheet is qualified. In this step S203, the control unit 810 may determine whether the temperature of the front electrode sheet 50 is between the lower limit electrode sheet temperature and the upper limit electrode sheet temperature.

[0226] If the temperature of the front electrode 50 is between the lower limit electrode temperature and the upper limit electrode temperature, the front electrode heating step S201 can be performed.

[0227] The active material binding step S200 may include a heater adjustment step S204. This step S204 is performed if it is determined that the temperature of the front electrode 50 is not between the lower limit electrode temperature and the upper limit electrode temperature.

[0228] In step S204, at least one of the position and power of the heater 700 can be adjusted according to the temperature of the front electrode 50. For example, if the temperature of the front electrode 50 is lower than the lower limit electrode temperature, the heater 700 can be moved closer to the heating area or its power can be increased. For example, if the temperature of the front electrode 50 is higher than the upper limit electrode temperature, the heater 700 can be moved away from the heating area or its power can be reduced. After step S204 is completed, the front electrode heating step S201 can be performed.

[0229] The active material bonding step S200 may include a laminating roller rotation step S205. In this step S205, the laminating roller 410 can rotate. When the laminating roller 410 rotates, the front electrode sheet 50 and the active material 53 can bond together to form the rear electrode sheet 50. The laminating roller rotation step S205 and the front electrode sheet heating step S201 can be performed in parallel.

[0230] The active material binding step S200 may include a step S206 to determine whether a termination reason has occurred. If no termination reason has occurred, the laminating roller rotation step S205 and the front electrode sheet heating step S201 may be performed. If a termination reason has occurred, the active material binding step S200 may end.

[0231] The above content is merely an example of applying the principles of this disclosure, and other configurations may be included without departing from the scope of this disclosure.

Claims

1. An electrode manufacturing apparatus, characterized in that, include: The electrode sheet is provided with rollers to transport the front electrode sheet formed with one side and the other side; A position adjustment roller, adjacent to the electrode sheet providing roller, receives the front electrode sheet from the electrode sheet providing roller; The laminating roller and the pressure roller receive the front electrode sheet from the position adjusting roller, and the laminating roller and the pressure roller face each other; An active material supply roller faces the laminating roller and supplies active material to the laminating roller; as well as The heater provides heat to the heating area located in the front electrode sheet between the electrode sheet supply roller and the position adjustment roller. The front electrode sheet and the active material are fed between the laminating roller and the pressure roller and then discharged.

2. The electrode manufacturing apparatus according to claim 1, characterized in that, The front electrode sheet provided to the position adjusting roller includes: Electrode current collector, having a plate shape and made of metal; and An adhesive is laminated onto the electrode current collector. The heater faces the adhesive and provides heat to the adhesive.

3. The electrode manufacturing apparatus according to claim 2, characterized in that, The laminating roller and the pressure roller apply pressure to the electrode current collector, the adhesive and the active material that are fed between the laminating roller and the pressure roller.

4. The electrode manufacturing apparatus according to claim 3, characterized in that, The active material binds to the adhesive after being fed between the laminating roller and the pressure roller and then discharged.

5. The electrode manufacturing apparatus according to claim 3, characterized in that, The outer circumferential surface of the pressure roller is formed of silicon.

6. The electrode manufacturing apparatus according to claim 1, characterized in that, Further includes: A temperature sensor unit measures the temperature of the front electrode sheet supplied to the laminating roller.

7. The electrode manufacturing apparatus according to claim 6, characterized in that, The heater adjusts at least one of the distance between the heater and the heating area and the heating power according to the temperature of the front electrode plate.

8. The electrode manufacturing apparatus according to claim 6, characterized in that, The temperature sensor unit faces the front electrode sheet that is in contact with the laminating roller.

9. The electrode manufacturing apparatus according to claim 1, characterized in that, The laminating roller includes a heating element that provides heat to the outer peripheral surface of the laminating roller.

10. An electrode manufacturing apparatus, characterized in that, include: The electrode sheet is provided with rollers to transport the front electrode sheet formed with one side and the other side; A position adjustment roller, adjacent to the electrode sheet providing roller, receives the front electrode sheet from the electrode sheet providing roller; The laminating roller and the pressure roller receive the front electrode sheet from the position adjusting roller, and the laminating roller and the pressure roller face each other; An active material supply roller faces the laminating roller and supplies active material to the laminating roller; The heater provides heat to the heating area located in the front electrode sheet between the electrode sheet supply roller and the position adjusting roller, and An electrode thickness measuring device measures the thickness of a rear electrode sheet, which is formed by combining the front electrode sheet and the active material. The front electrode sheet and the active material are fed between the laminating roller and the pressure roller and discharged to form the rear electrode sheet.

11. The electrode manufacturing apparatus according to claim 10, characterized in that, The front electrode sheet provided to the position adjusting roller includes: Electrode current collector, having a plate shape and made of metal; and An adhesive is laminated onto the electrode current collector. The heater faces the adhesive and provides heat to the adhesive.

12. The electrode manufacturing apparatus according to claim 10, characterized in that, Further includes: A temperature sensor unit measures the temperature of the front electrode sheet supplied to the laminating roller.

13. The electrode manufacturing apparatus according to claim 12, characterized in that, The heater adjusts at least one of the distance between the heater and the heating area and the power of the heater according to the temperature of the front electrode plate.

14. The electrode manufacturing apparatus according to claim 12, characterized in that, The temperature sensor unit faces the front electrode sheet that is in contact with the laminating roller.

15. The electrode manufacturing apparatus according to claim 10, characterized in that, The laminating roller includes a heating element that provides heat to the outer peripheral surface of the laminating roller.

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