Capacitive cell of rechargeable lithium battery

Abstract

The utility model discloses a capacitive cell of a rechargeable lithium battery, and relates to the technical field of batteries. The capacitive battery cell of the rechargeable lithium battery comprises a battery cell main body, a connecting base, a cover body and a cementing ring, the battery cell main body is used for bearing each component of the lithium battery, and the connecting base is arranged on the battery cell main body. According to the capacitive battery cell of the rechargeable lithium battery, through the design of the battery cell main body, the connecting base, the cover body, the cementing ring and other parts, the overall structure is simpler, and large-scale production, maintenance and replacement are facilitated. Especially, due to the design of the glue joint ring, the cover body can be in butt joint with the connecting base quickly and accurately, the assembling efficiency is greatly improved, and due to the design of the cover body, the assembling process is simplified, and better end protection is provided. The combination of the insulating plate, the battery cell negative electrode connecting plate and the battery cell positive electrode connecting plate ensures the safety and stability of the battery cell in the charging and discharging process.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, concretely is a capacitive electric core of rechargeable lithium battery. BACKGROUND

[0002] The capacitive electric core is including positive material, negative material, electrolyte, diaphragm and battery shell etc. key parts. These components cooperate together, make capacitive electric core can fast charge and discharge, have high energy density and long life etc. characteristics, satisfy modern electronic equipment to high performance battery's demand.

[0003] However, the capacitive electric core of rechargeable lithium battery of prior art, in the connection and protection of electric core, the traditional design assembly process is more complex, the end cap position is not convenient for quick alignment assembly, is not favorable to large-scale production and maintenance replacement, and the connection position is susceptible to external environment influence, also easily leads to unstable connection, thereby influence electric core's performance and safety, in view of prior art's insufficient, the utility model provides a capacitive electric core of rechargeable lithium battery to solve above-mentioned problem. UTILITY MODEL CONTENTS

[0004] In view of prior art's insufficient, the utility model provides a capacitive electric core of rechargeable lithium battery, through the design of electric core main body, connecting base, cover and cement ring etc. component, the overall structure is more simple, is convenient for large-scale production and maintenance replacement.Especially the design of cement ring makes the cover can be quickly and accurately butt joint with connecting base, greatly improves the assembly efficiency, the design of cover not only simplifies the assembly process, but also provides better end protection.The combination of insulating plate, electric core negative pole connecting plate and electric core positive pole connecting plate ensures the safety and stability of electric core in the charge and discharge process.

[0005] To achieve the above object, the utility model realizes through following technical scheme: a capacitive electric core of rechargeable lithium battery, including electric core main body, connecting base, cover and cement ring;

[0006] The electric core main body is used for bearing each component of lithium battery;

[0007] The connecting base is arranged on the electric core main body;

[0008] The cover is arranged on the connecting base and is used for protecting the end of electric core main body, and the cover comprises:

[0009] The insulating plate is used for bearing each part of the cover;

[0010] The electric core negative pole connecting plate is arranged on the outer side of the insulating plate;

[0011] The electric core positive pole connecting plate is arranged on the inner side of the insulating plate;

[0012] The glue joint ring is arranged on the connecting base and is connected with the cover body.

[0013] Preferably, a glue groove is arranged on the glue joint ring, glue is arranged in the glue groove, and the glue joint ring is glued with the cover body.

[0014] Preferably, a first limiting clamping strip is arranged on the side of the glue joint ring, a first clamping groove is arranged on the negative electrode connecting plate of the battery cell, and the first limiting clamping strip is movably clamped in the first clamping groove.

[0015] Preferably, a second limiting clamping strip is arranged on the inner side of the glue joint ring, a second clamping groove is arranged on the insulating plate, and the second limiting clamping strip is movably clamped in the second clamping groove.

[0016] Preferably, a positive electrode and a negative electrode are arranged on the battery cell body.

[0017] Preferably, a needle guide connecting hole is arranged on the insulating plate, and the positive electrode and the negative electrode are movably inserted into the corresponding needle guide connecting holes.

[0018] The utility model discloses a capacitive battery cell of rechargeable lithium battery, and has the beneficial effects as follows:

[0019] The capacitive battery cell of rechargeable lithium battery, through the design of the battery cell body, the connecting base, the cover body and the glue joint ring and other components, the overall structure is more simple, and large-scale production and maintenance replacement are facilitated. Especially, the design of the glue joint ring enables the cover body to be quickly and accurately connected with the connecting base, greatly improves the assembly efficiency, and the design of the cover body not only simplifies the assembly process, but also provides better end protection. The combination of the insulating plate, the negative electrode connecting plate and the positive electrode connecting plate ensures the safety and stability of the battery cell in the charging and discharging process. ACCURACY

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0021] Figure 1 It is the overall structure schematic diagram of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the cover body of the utility model;

[0023] Figure 3 It is the utility model Figure 2 The enlarged view of part A in the utility model;

[0024] Figure 4 It is a structure schematic view of the insulating plate.

[0025] In the figure: 1, the main body of the battery cell; 11, the positive electrode of the battery cell; 12, the negative electrode of the battery cell; 2, the connecting base; 3, the cover body; 31, the insulating plate; 311, the guide pin connecting hole; 312, the second clamping groove; 32, the negative electrode connecting plate of the battery cell; 321, the first clamping groove; 33, the positive electrode connecting plate of the battery cell; 4, the adhesive ring; 41, the adhesive groove; 42, the first limiting clamping strip; 43, the second limiting clamping strip. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] The application embodiment provides a capacitive battery cell of a rechargeable lithium battery, solves the problems of the capacitive battery cell of the rechargeable lithium battery in the prior art, the traditional design assembly process is relatively complex in connection and protection of the battery cell, the end cover position is not convenient for quick alignment assembly, is not conducive to large-scale production and maintenance replacement, and the connection position is easily affected by the external environment and is also easily led to unstable connection, thereby affecting the performance and safety of the battery cell.

[0028] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0029] Embodiment 1:

[0030] The utility model embodiment discloses a capacitive battery cell of a rechargeable lithium battery, according to the attached Figures 1-4 As shown, including the main body of battery cell 1, connecting base 2, cover body 3 and adhesive ring 4;

[0031] The main body of battery cell 1 is used to bear each component of lithium battery;The main body of battery cell 1 is provided with the positive electrode 11 and the negative electrode 12 of battery cell.

[0032] Connecting base 2 is arranged on the main body of battery cell 1;Connecting base 2 is used to realize the support for the positive electrode 11 and the negative electrode 12 of battery cell;

[0033] Cover body 3 is arranged on connecting base 2 and is used for the protection of the end of the main body of battery cell 1, and cover body 3 includes:

[0034] Insulating plate 31 is used to bear each part of cover body 3;

[0035] The negative electrode connecting plate 32 of the battery cell is arranged outside the insulating plate 31.

[0036] The positive electrode connecting plate 33 of the battery cell is arranged inside the insulating plate 31.

[0037] The cover body 3 is composed of the insulating plate 31, the negative electrode connecting plate 32 of the battery cell and the positive electrode connecting plate 33 of the battery cell.

[0038] The adhesive ring 4 is arranged on the connecting base 2 and is in butt joint with the cover body 3.

[0039] The adhesive ring 4 is arranged on the connecting base 2 and is in butt joint with the cover body 3.

[0040] The insulating plate 31 is provided with the needle connecting hole 311.

[0041] Embodiment 2:

[0042] The utility model discloses a kind of capacitive battery cell of rechargeable lithium battery, according to the accompanying Figures 1-4 As shown in the figure, including battery cell main body 1, connecting base 2, cover body 3 and adhesive ring 4.

[0043] The battery cell main body 1 is used to carry each component of lithium battery.

[0044] The connecting base 2 is arranged on the battery cell main body 1.

[0045] The cover body 3 is arranged on the connecting base 2 and is used to protect the end of the battery cell main body 1.

[0046] The insulating plate 31 is used to carry each part of the cover body 3.

[0047] The negative electrode connecting plate 32 of the battery cell is arranged outside the insulating plate 31.

[0048] The positive electrode connecting plate 33 of the battery cell is arranged inside the insulating plate 31.

[0049] The adhesive ring 4 is arranged on the connecting base 2 and is in butt joint with the cover body 3.

[0050] The first limiting clamping strip 42 is arranged on the side of the adhesive ring 4, the first clamping groove 321 is arranged on the negative electrode connecting plate 32, and the first limiting clamping strip 42 is movably clamped in the first clamping groove 321. The clamping design of the first limiting clamping strip 42 and the first clamping groove 321 enables the installation buckling positioning when the cover body 3 is installed.

[0051] The second limiting clamping strip 43 is arranged on the inner side of the adhesive ring 4, the second clamping groove 312 is arranged on the insulating plate 31, and the second limiting clamping strip 43 is movably clamped in the second clamping groove 312. The clamping design of the second limiting clamping strip 43 and the second clamping groove 312 enables the further clamping positioning when the cover body 3 is installed, and ensures the clamping stability between the cover body 3 and the adhesive ring 4.

[0052] It should be noted that the relational terms herein such as first and second, and the like are used only to differentiate one entity or operation from another, and do not necessarily require or imply that these entities or operations exist in any actual relationship or order. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0053] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A capacitive cell of a rechargeable lithium battery, characterized in that, Include: The electric core body (1) is used for bearing various components of lithium battery; The connecting base (2) is arranged on the electric core body (1); The cover (3) is arranged on the connecting base (2) and is used for protecting the end of the electric core body (1), the cover (3) comprises: The insulating plate (31) is used for bearing various parts of the cover (3); The electric core negative pole connecting plate (32) is arranged on the outer side of the insulating plate (31); The electric core positive pole connecting plate (33) is arranged on the inner side of the insulating plate (31); The glue joint ring (4) is arranged on the connecting base (2) and is connected with the cover (3).

2. A capacitive cell for a rechargeable lithium battery according to claim 1, wherein The glue joint ring (4) is provided with a glue groove (41), the glue groove (41) is provided with glue and is glued with the cover (3).

3. A capacitive cell for a rechargeable lithium battery according to claim 2, wherein The side of the glue joint ring (4) is provided with a first limiting clamping strip (42), the electric core negative pole connecting plate (32) is provided with a first clamping groove (321), and the first limiting clamping strip (42) is movably clamped in the first clamping groove (321).

4. A capacitive cell for a rechargeable lithium battery according to claim 3, wherein The inner side of the glue joint ring (4) is provided with a second limiting clamping strip (43), the insulating plate (31) is provided with a second clamping groove (312), and the second limiting clamping strip (43) is movably clamped in the second clamping groove (312).

5. The capacitive cell of a rechargeable lithium battery according to claim 1, wherein, The electric core body (1) is provided with an electric core positive pole (11) and an electric core negative pole (12).

6. A capacitive cell for a rechargeable lithium battery according to claim 5, wherein The insulating plate (31) is provided with a needle connecting hole (311), and the electric core positive pole (11) and the electric core negative pole (12) are movably inserted into the corresponding needle connecting hole (311).

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