Lithium ion battery electrolyte preparation heating equipment

Abstract

The utility model relates to the technical field of electrolyte preparation, and discloses lithium ion battery electrolyte preparation heating equipment which comprises a heating tank, a supporting plate is installed in the heating tank and located below a discharging pipe, and microwave generators are installed on the left side and the right side of the lower surface of the supporting plate. A first motor is mounted on the lower surface of the heating tank, a supporting rod is mounted at the output end of the first motor, a stirring rod is mounted above the supporting rod, and a lifting mechanism is arranged between the supporting rod and the stirring rod; the microwave generator is arranged, the microwave generator can improve the temperature rising speed and the heating uniformity of the electrolyte, the stirring rod stirs the electrolyte of the lithium ion battery, the heating uniformity of the electrolyte is improved, a second motor in the lifting mechanism drives a linkage rod to ascend and descend, and the stirring rod is driven to rotate and ascend and descend in a reciprocating mode at the same time. The multi-dimensional mixing of the electrolyte in space is realized, and the stirring dead angle can be reduced or even eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolyte preparation, in particular to a lithium ion battery electrolyte preparation heating device. Background Art

[0002] The electrolyte of a lithium-ion battery is one of its core components and has a significant impact on the battery's safety, cycle life, and performance. It requires heating during production and processing. High-temperature heating can accelerate the rate of chemical reactions within the electrolyte, allowing components such as the solvent and lithium salt in the electrolyte to mix and react better, thereby improving the electrolyte's ionic conductivity and overall performance.

[0003] Currently, the main mode of operation of the heating device is to place it in a container and drive it to stir naturally by a motor, and to heat the slurry through electric heating or a mold temperature controller. However, this method has poor temperature uniformity of the slurry itself and a slow heating speed.

[0004] A Chinese patent discloses a microwave heating device for heating lithium battery electrolyte slurry (authorization announcement number CN208434143U). This patented technology heats the slurry through microwaves, which can improve the temperature rise rate and heating uniformity of the slurry in the container. The cover is connected to the stirrer, and the lower end of the stirrer's output shaft is detachably connected to the output shaft of the motor, making the feeding and unloading process more efficient and convenient, while also achieving the purpose of easy cleaning.

[0005] However, it has certain disadvantages: due to the limitations of the shape, layout or stirring method of the agitator, the slurry in some areas cannot be effectively stirred, forming local low-speed areas or static areas, which will cause uneven mixing of the electrolyte slurry in these areas and the existence of stirring dead corners, affecting the quality of the final product; and this single-level rotation stirring method cannot achieve sufficient mixing of materials in a short time, especially when dealing with electrolyte slurries with high viscosity or high solid content. Utility Model Content

[0006] The purpose of the present invention is to provide a lithium-ion battery electrolyte preparation heating device to solve the problems raised in the above background technology.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A lithium-ion battery electrolyte preparation heating device, comprising a heating tank, a discharge pipe being connected through the lower end of the left surface of the heating tank, and a support plate being installed inside the heating tank below the discharge pipe, a microwave generator being installed on both left and right sides of the lower surface of the support plate, a first motor being installed on the lower surface of the heating tank, a support rod being installed at the output end of the first motor, a stirring rod being installed above the support rod, a lifting mechanism being arranged between the support rod and the stirring rod, the lifting mechanism comprising a mounting seat, a mounting tube being installed at the upper end of the mounting seat, and a mounting cover being installed on the left surface of the mounting seat, a second motor being installed on the left surface of the mounting seat inside the mounting cover, and a lifting member being arranged together inside the mounting seat and the mounting tube.

[0009] As a further solution of the present invention: the lifting member includes a first connecting rod, connecting blocks are installed on both ends of the left and right sides of the first connecting rod, and the outside of the first connecting rod is movably connected to a linkage rod, the upper end of the linkage rod is movably connected to a second connecting rod, and connecting covers are commonly installed on the outside of the left and right ends of the second connecting rod.

[0010] As a further solution of the present invention: a support cover is installed on the outside of the lower end of the heating tank, and a plurality of support legs are evenly installed on the outer surface of the support cover.

[0011] As a further solution of the present invention: the support rod is rotatably connected to the support plate, the upper end of the support rod is connected to the lower end of the mounting seat, and the lower end of the stirring rod is located inside the mounting tube.

[0012] As a further solution of the present invention: the output end of the second motor is connected to the left connecting block, the right connecting block is rotatably connected to the inner right surface of the mounting seat, the connecting cover is slidably connected to the inside of the mounting tube, and the upper end of the connecting cover is connected to the stirring rod.

[0013] As a further solution of the present invention: the support cover is located below the discharge pipe.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model is provided with a microwave generator, which can increase the temperature rise rate and heating uniformity of the lithium-ion battery electrolyte. The stirring rod stirs the lithium-ion battery electrolyte to improve its heating uniformity, thereby improving the heating efficiency.

[0016] 2. The utility model is provided with a lifting mechanism. The second motor in the lifting mechanism drives the linkage rod to rise and fall, thereby driving the connecting cover to rise and fall, and then driving the stirring rod to rise and fall back and forth while rotating, thereby realizing multi-dimensional mixing of electrolytes in space, increasing the complexity and sufficiency of stirring, and being able to reduce or even eliminate dead corners in stirring, ensuring more uniform mixing of materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of a heating device for preparing a lithium-ion battery electrolyte;

[0018] Figure 2 A cross-sectional view of a heating device for preparing a lithium-ion battery electrolyte;

[0019] Figure 3 A cross-sectional view of a lifting mechanism in a lithium-ion battery electrolyte preparation and heating device;

[0020] Figure 4 This is a schematic diagram of the structure of a lifting component in a lithium-ion battery electrolyte preparation and heating device;

[0021] Figure 5 This is a schematic structural diagram of the second connecting rod in a lithium-ion battery electrolyte preparation and heating device.

[0022] In the figure: 1. Heating tank; 2. Discharge pipe; 3. Support plate; 4. Microwave generator; 5. First motor; 6. Support rod; 7. Stirring rod; 8. Lifting mechanism; 9. Mounting seat; 10. Mounting pipe; 11. Mounting cover; 12. Second motor; 13. Lifting member; 14. First connecting rod; 15. Connecting block; 16. Linkage rod; 17. Second connecting rod; 18. Connecting cover; 19. Support cover; 20. Support foot. DETAILED DESCRIPTION

[0023] See also Figures 1 to 4 In an embodiment of the present invention, a lithium-ion battery electrolyte preparation heating device includes a heating tank 1, a discharge pipe 2 is connected to the lower end of the left surface of the heating tank 1, and a support plate 3 is installed inside the heating tank 1 below the discharge pipe 2, and microwave generators 4 are installed on both sides of the lower surface of the support plate 3. A support cover 19 is installed on the outside of the lower end of the heating tank 1, and the support cover 19 is located below the discharge pipe 2. A plurality of support legs 20 are evenly installed on the outer surface of the support cover 19;

[0024] The heating tank 1 is preferably made of ceramic material; the heating tank 1 includes a tank body and a tank cover connected to the tank body;

[0025] The microwave generator 4 is used to heat the lithium-ion electrolyte in the heating tank 1. The microwave generator 4 emits a microwave electromagnetic field, which acts on the lithium-ion electrolyte. Microscopic particles (such as dipoles) inside the lithium-ion electrolyte will undergo high-frequency reciprocating motion under the action of the alternating electric field. This motion will cause "internal friction" between the particles, thereby generating heat and further heating.

[0026] The discharge pipe 2 is provided with a valve for discharging the lithium ion electrolyte.

[0027] In Figure 1: A first motor 5 is installed on the lower surface of the heating tank 1, and a support rod 6 is installed on the output end of the first motor 5. The support rod 6 is connected to the support plate 3 for rotation. A stirring rod 7 is installed above the support rod 6, and a lifting mechanism 8 is provided between the support rod 6 and the stirring rod 7. The lifting mechanism 8 includes a mounting seat 9, the upper end of the support rod 6 is connected to the lower end of the mounting seat 9, and a mounting tube 10 is installed on the upper end of the mounting seat 9. The lower end of the stirring rod 7 is located inside the mounting tube 10, and a mounting cover 11 is installed on the left surface of the mounting seat 9. The left surface of the mounting seat 9 is located inside the mounting cover 11 and a second motor 12 is installed. The mounting seat 9 and A lifting member 13 is commonly provided inside the mounting tube 10. The lifting member 13 includes a first connecting rod 14. Connecting blocks 15 are installed on both left and right ends of the first connecting rod 14. The output end of the second motor 12 is connected to the left connecting block 15. The right connecting block 15 is rotatably connected to the inner right surface of the mounting seat 9. The outside of the first connecting rod 14 is movably connected to a linkage rod 16. The upper end of the linkage rod 16 is movably connected to a second connecting rod 17. The left and right ends of the second connecting rod 17 are commonly installed with a connecting cover 18. The connecting cover 18 is slidably connected to the inside of the mounting tube 10, and the upper end of the connecting cover 18 is connected to the stirring rod 7.

[0028] The stirring rod 7 stirs the lithium ion electrolyte, thereby improving the heating efficiency of the lithium ion electrolyte;

[0029] The first connecting rod 14 is located at the outer edge of the connecting block 15;

[0030] The connecting cover 18 is a hollow cylindrical structure with an open lower end;

[0031] The connection block 15 rotates to drive the linkage rod 16 to rise and fall, thereby driving the connection cover 18 to rise and fall, and then driving the stirring rod 7 to rise and fall, so that the stirring rod 7 moves up and down while rotating, realizing multi-dimensional mixing of lithium-ion electrolytes in space, and increasing the complexity and sufficiency of stirring.

[0032] The working principle of the present invention is as follows: during processing, a lithium-ion electrolyte is placed in a heating tank 1, and a microwave generator 4 is turned on to heat the lithium-ion electrolyte; the first motor 5 drives the stirring rod 7 to rotate to stir the lithium-ion electrolyte, thereby improving the heating efficiency; at the same time, the second motor 12 drives the left connecting block 15 to rotate, and the first connecting rod 14 rotates along with the connecting block 15 while driving the linkage rod 16 to rise and fall, thereby driving the connecting cover 18 to rise and fall, and then driving the stirring rod 7 to rise and fall while rotating, thereby further improving the heating efficiency.

[0033] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0034] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

Claims

1. A lithium-ion battery electrolyte preparation heating device, comprising a heating tank (1), wherein a discharge pipe (2) is connected to the lower end of the left side surface of the heating tank (1), and a support plate (3) is installed inside the heating tank (1) below the discharge pipe (2), and microwave generators (4) are installed on both left and right sides of the lower surface of the support plate (3), a first motor (5) is installed on the lower surface of the heating tank (1), a support rod (6) is installed at the output end of the first motor (5), and a stirring rod (7) is installed above the support rod (6), characterized in that: A lifting mechanism (8) is provided between the support rod (6) and the stirring rod (7), and the lifting mechanism (8) comprises a mounting seat (9), a mounting tube (10) is installed at the upper end of the mounting seat (9), and a mounting cover (11) is installed on the left surface of the mounting seat (9), a second motor (12) is installed on the left surface of the mounting seat (9) and located inside the mounting cover (11), and a lifting member (13) is provided inside the mounting seat (9) and the mounting tube (10).

2. A lithium-ion battery electrolyte preparation heating device according to claim 1, characterized in that: The lifting member (13) includes a first connecting rod (14), the left and right ends of the first connecting rod (14) are both equipped with connecting blocks (15), the outside of the first connecting rod (14) is movably connected to a linkage rod (16), the upper end of the linkage rod (16) is movably connected to a second connecting rod (17), and the left and right ends of the second connecting rod (17) are both equipped with connecting covers (18).

3. The lithium-ion battery electrolyte preparation and heating device according to claim 1, characterized in that: A support cover (19) is installed on the outside of the lower end of the heating tank (1), and a plurality of support legs (20) are evenly installed on the outer surface of the support cover (19).

4. The lithium-ion battery electrolyte preparation and heating device according to claim 1, characterized in that: The support rod (6) is rotatably connected to the support plate (3), the upper end of the support rod (6) is connected to the lower end of the mounting seat (9), and the lower end of the stirring rod (7) is located inside the mounting tube (10).

5. The lithium-ion battery electrolyte preparation and heating device according to claim 2, characterized in that: The output end of the second motor (12) is connected to the left connecting block (15), the right connecting block (15) is rotatably connected to the inner right surface of the mounting seat (9), the connecting cover (18) is slidably connected to the inside of the mounting tube (10), and the upper end of the connecting cover (18) is connected to the stirring rod (7).

6. The lithium-ion battery electrolyte preparation and heating device according to claim 3, characterized in that: The support cover (19) is located below the discharge pipe (2).

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