CN213583902U - Environment-friendly recyclable lithium ion battery cell - Google Patents
Environment-friendly recyclable lithium ion battery cell Download PDFInfo
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- CN213583902U CN213583902U CN202022808852.7U CN202022808852U CN213583902U CN 213583902 U CN213583902 U CN 213583902U CN 202022808852 U CN202022808852 U CN 202022808852U CN 213583902 U CN213583902 U CN 213583902U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a recoverable lithium ion cell of environmental protection, including lithium ion cell main part, explosion-proof structure, the anodal ear body, the negative pole ear body and positive plate diaphragm, the one end of lithium ion cell main part is provided with the anodal ear body, and one side of the anodal ear body is provided with the negative pole ear body, the outside of lithium ion cell main part is provided with explosion-proof structure, be provided with positive plate diaphragm on the outer wall of lithium ion cell main part, and be fixed with the positive plate lamellar body on the inner wall of positive plate diaphragm, be provided with negative plate diaphragm on the outer wall of positive plate diaphragm, and be fixed with the negative plate lamellar body on negative plate diaphragm's the inner wall, the inside of lithium ion cell main part sets up in and stores the chamber, and the inside packing in storage chamber has electrolyte. The utility model discloses not only can retrieve the inside electrolyte of storage chamber, improve the feature of environmental protection of electric core, strengthen the explosion-proof ability of electric core, reduce the fracture of the positive pole ear body and the negative pole ear body moreover.
Description
Technical Field
The utility model relates to a lithium ion battery technical field specifically is a recoverable lithium ion cell of environmental protection.
Background
With the development of science and technology, various electronic products are endlessly developed and almost become indispensable components in daily life, and lithium ion batteries have the advantages of high energy density, long cycle life, small self-discharge, no memory effect, no pollution and the like, and are widely applied to various electronic products at present, wherein the lithium ion battery is used as a power storage part in the lithium ion battery, and the quality of the lithium ion battery directly determines the quality of the lithium ion battery.
The lithium ion battery cells on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.
(1) The existing lithium ion battery cell is generally discarded after use, causes serious pollution to the environment and is not environment-friendly enough, so the improvement is needed;
(2) the explosion-proof performance of the existing lithium ion battery cell is relatively common when in use, so that certain potential safety hazard exists;
(3) when the conventional lithium ion battery cell is used, the positive and negative electrode tabs are generally easy to break, so that the service life of the battery cell is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a recoverable lithium ion cell of environmental protection to propose the lithium ion cell environmental protection inadequately in solving above-mentioned background art, explosion-proof performance comparatively general and the easy cracked problem of positive negative pole ear.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a recoverable lithium ion cell of environmental protection, includes lithium ion cell main part, explosion-proof structure, the anodal ear body, the negative pole ear body and positive plate diaphragm, the one end of lithium ion cell main part is provided with the anodal ear body, and the one end of the anodal ear body is connected with the lithium ion cell main part, and one side of the anodal ear body is provided with the negative pole ear body, and the one end of the negative pole ear body is connected with the lithium ion cell main part, the outside of lithium ion cell main part is provided with explosion-proof structure, be provided with positive plate diaphragm on the outer wall of lithium ion cell main part, and be fixed with positive plate body on positive plate diaphragm's the inner wall, be provided with negative plate diaphragm on positive plate diaphragm's the outer wall, and be fixed with negative plate body on negative plate diaphragm's the inner wall, the inside of lithium ion cell.
Preferably, the one end that the lithium ion cell main part kept away from the anodal ear body is provided with the rectangle opening, and is provided with the recess on the outer wall of rectangle opening one side, is convenient for derive the inside electrolyte of storage chamber.
Preferably, explosion-proof layer, fire-retardant chamber, fire-retardant granule and adhesive have set gradually in explosion-proof structure's inside, and the outside cover of lithium ion cell main part is equipped with explosion-proof layer, and scribbles the adhesive on the inner wall on explosion-proof layer, and explosion-proof layer bonds with lithium ion cell main part through the adhesive, has improved the explosion-proof effect of electric core.
Preferably, the interior of the explosion-proof layer is provided with a flame-retardant cavity, and the interior of the flame-retardant cavity is filled with flame-retardant particles, so that the flame-retardant function is achieved.
Preferably, the outer wall of the bottom of the positive electrode lug body is pasted with the positive electrode lug insulating layer, and the positive electrode lug protective film is pasted on the outer wall of the positive electrode lug body above the positive electrode lug insulating layer, so that the positive electrode lug body is protected conveniently and is not easy to break.
Preferably, the outer wall of the bottom of the negative electrode lug body is pasted with a negative electrode lug insulating layer, and the outer wall of the negative electrode lug body above the negative electrode lug insulating layer is pasted with a negative electrode lug protective film, so that the negative electrode lug body is protected conveniently and is not easy to break.
Preferably, the sealing cover is installed inside the rectangular opening, and a sealing ring is fixed at the edge position of the outer wall of the sealing cover, so that the rectangular opening is conveniently sealed.
Compared with the prior art, the beneficial effects of the utility model are that: the environment-friendly recyclable lithium ion battery cell can recover electrolyte in the storage cavity, so that the environment-friendly property of the battery cell is improved, the explosion-proof performance of the battery cell is enhanced, and the breakage of a positive electrode lug body and a negative electrode lug body is reduced;
(1) by arranging the rectangular opening, the sealing cover, the sealing ring and the groove, when the lithium ion battery cell is not used, a worker uses a tool to pry the sealing cover in the rectangular opening, the groove is convenient for prying, and after the sealing cover is taken down, electrolyte in the storage cavity can be recovered, so that the environmental protection performance of the battery cell is improved, and the pollution to the environment is reduced;
(2) by arranging the explosion-proof layer, the flame-retardant cavity, the flame-retardant particles and the adhesive, in the working process of the lithium ion battery cell, the explosion-proof layer is fixed outside the lithium ion battery cell main body through the adhesive, and the flame-retardant particles are filled in the flame-retardant cavity inside the explosion-proof layer, so that the flame-retardant particles have a flame-retardant effect, the explosion-proof performance of the battery cell is enhanced, the potential safety hazard is effectively reduced, and the lithium ion battery cell is safer to use;
(3) through being provided with anodal ear insulating layer, anodal ear protection film, negative pole ear insulating layer and negative pole ear protection film, because paste on the outer wall of anodal ear body bottom and have anodal ear insulating layer, paste on the outer wall of negative pole ear body bottom and have negative pole ear insulating layer, the production of electric current has been reduced in setting up of anodal ear insulating layer and negative pole ear insulating layer, because the laminating has anodal ear protection film on the external wall of anodal ear, the laminating has the negative pole ear protection film on the external wall of negative pole ear, the effect of protection has been played to anodal ear body and negative pole ear body in the setting of anodal ear protection film and negative pole ear protection film, thereby the fracture of the anodal ear body and the negative pole ear.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is an enlarged structural schematic diagram of the positive electrode tab and the negative electrode tab of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the enlarged partial structure of the present invention;
fig. 5 is a schematic view of the explosion-proof structure according to the present invention in a partially cut-away and enlarged structure.
In the figure: 1. a lithium ion cell body; 2. an explosion-proof structure; 201. an explosion-proof layer; 202. a flame retardant cavity; 203. flame retardant particles; 204. a binder; 3. a positive electrode tab body; 4. a negative electrode tab body; 5. a positive tab insulating layer; 6. a positive tab protective film; 7. a negative electrode tab insulating layer; 8. a negative electrode tab protective film; 9. a positive plate diaphragm; 10. a positive electrode sheet body; 11. a negative plate diaphragm; 12. a negative electrode sheet; 13. a storage chamber; 14. an electrolyte; 15. a rectangular opening; 16. a sealing cover; 17. a seal ring; 18. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: an environment-friendly recyclable lithium ion cell comprises a lithium ion cell main body 1, an explosion-proof structure 2, a positive electrode lug body 3, a negative electrode lug body 4 and a positive plate diaphragm 9, wherein the positive electrode lug body 3 is arranged at one end of the lithium ion cell main body 1, one end of the positive electrode lug body 3 is connected with the lithium ion cell main body 1, the negative electrode lug body 4 is arranged at one side of the positive electrode lug body 3, and one end of the negative electrode lug body 4 is connected with the lithium ion cell main body 1;
a rectangular opening 15 is formed in one end, away from the anode lug body 3, of the lithium ion cell main body 1, and a groove 18 is formed in the outer wall of one side of the rectangular opening 15, so that the electrolyte 14 in the storage cavity 13 can be conveniently led out;
a sealing cover 16 is arranged in the rectangular opening 15, and a sealing ring 17 is fixed at the edge position of the outer wall of the sealing cover 16, so that the rectangular opening 15 is conveniently sealed;
an explosion-proof structure 2 is arranged on the outer side of a lithium ion cell main body 1, an explosion-proof layer 201, a flame-retardant cavity 202, flame-retardant particles 203 and an adhesive 204 are sequentially arranged in the explosion-proof structure 2, the explosion-proof layer 201 is sleeved on the outer side of the lithium ion cell main body 1, the adhesive 204 is coated on the inner wall of the explosion-proof layer 201, the explosion-proof layer 201 is bonded with the lithium ion cell main body 1 through the adhesive 204, the flame-retardant cavity 202 is arranged in the explosion-proof layer 201, and the flame-retardant particles 203 are filled in the flame-;
in the working process of the lithium ion battery cell, the explosion-proof layer 201 is fixed outside the lithium ion battery cell main body 1 through the adhesive 204, the flame-retardant particles 203 are filled in the flame-retardant cavity 202 in the explosion-proof layer 201, and the flame-retardant particles 203 have a flame-retardant effect, so that the explosion-proof performance of the battery cell is enhanced, potential safety hazards are effectively reduced, and the lithium ion battery cell is safer to use;
the positive lug insulating layer 5 is pasted on the outer wall of the bottom of the positive lug body 3, and the positive lug protective film 6 is pasted on the outer wall of the positive lug body 3 above the positive lug insulating layer 5, so that the positive lug body 3 is protected conveniently and is not easy to break;
a negative electrode lug insulating layer 7 is pasted on the outer wall of the bottom of the negative electrode lug body 4, and a negative electrode lug protective film 8 is pasted on the outer wall of the negative electrode lug body 4 above the negative electrode lug insulating layer 7, so that the negative electrode lug body 4 is protected conveniently and is not easy to break;
be provided with positive plate diaphragm 9 on the outer wall of lithium ion cell main part 1, and be fixed with positive plate 10 on positive plate diaphragm 9's the inner wall, be provided with negative plate diaphragm 11 on positive plate diaphragm 9's the outer wall, and be fixed with negative plate 12 on negative plate diaphragm 11's the inner wall, the inside of lithium ion cell main part 1 set up in with storage chamber 13, and the inside packing of storage chamber 13 has electrolyte 14.
The working principle is as follows: when in use, firstly, the positive electrode lug insulating layer 5 is pasted on the outer wall of the bottom of the positive electrode lug body 3, the negative electrode lug insulating layer 7 is pasted on the outer wall of the bottom of the negative electrode lug body 4, the positive electrode lug insulating layer 5 and the negative electrode lug insulating layer 7 are arranged to reduce the generation of current, the positive electrode lug protective film 6 is pasted on the outer wall of the positive electrode lug body 3, the negative electrode lug protective film 8 is pasted on the outer wall of the negative electrode lug body 4, the positive electrode lug protective film 6 and the negative electrode lug protective film 8 are arranged to protect the positive electrode lug body 3 and the negative electrode lug body 4, so as to reduce the fracture of the positive electrode lug body 3 and the negative electrode lug body 4, then, in the working process of the lithium ion battery cell, because the explosion-proof layer 201 is fixed outside the lithium ion battery cell main body 1 through the adhesive 204, and the flame-retardant particles 203 are filled in the flame-retardant cavity 202 in the explosion-proof layer 201, and then effectual emergence that has reduced the potential safety hazard, it is comparatively safe to use, finally, when lithium ion battery cell abandons the time spent, the staff uses the instrument to prize the inside sealed lid 16 of rectangle opening 15, setting up of recess 18 provides convenient for prizing the work, take off the back with sealed lid 16, can retrieve the inside electrolyte 14 of storage chamber 13, thereby the feature of environmental protection of electric core has been improved, and then the pollution that produces the environment has been reduced, accomplish the recoverable lithium ion battery cell's of environmental protection work.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a recoverable lithium ion cell of environmental protection, includes lithium ion cell main part (1), explosion-proof construction (2), the anodal ear body (3), the negative pole ear body (4) and positive plate diaphragm (9), its characterized in that: one end of the lithium ion cell main body (1) is provided with a positive electrode lug body (3), one end of the positive electrode lug body (3) is connected with the lithium ion cell main body (1), and one side of the anode ear body (3) is provided with a cathode ear body (4), one end of the cathode ear body (4) is connected with the lithium ion cell main body (1), an explosion-proof structure (2) is arranged on the outer side of the lithium ion cell main body (1), a positive plate diaphragm (9) is arranged on the outer wall of the lithium ion cell main body (1), and the inner wall of the positive plate diaphragm (9) is fixed with a positive plate body (10), the outer wall of the positive plate diaphragm (9) is provided with a negative plate diaphragm (11), and the inner wall of the negative plate diaphragm (11) is fixed with a negative plate body (12), the interior of the lithium ion cell main body (1) is arranged in the storage cavity (13), and the interior of the storage cavity (13) is filled with electrolyte (14).
2. The environment-friendly recyclable lithium ion battery cell according to claim 1, characterized in that: one end, far away from the positive electrode lug body (3), of the lithium ion cell main body (1) is provided with a rectangular opening (15), and a groove (18) is formed in the outer wall of one side of the rectangular opening (15).
3. The environment-friendly recyclable lithium ion battery cell according to claim 1, characterized in that: the explosion-proof structure is characterized in that an explosion-proof layer (201), an inflaming retarding cavity (202), inflaming retarding particles (203) and an adhesive (204) are sequentially arranged inside the explosion-proof structure (2), the explosion-proof layer (201) is sleeved on the outer side of the lithium ion cell main body (1), the adhesive (204) is coated on the inner wall of the explosion-proof layer (201), and the explosion-proof layer (201) is bonded with the lithium ion cell main body (1) through the adhesive (204).
4. The environmentally friendly recyclable lithium ion battery cell according to claim 3, wherein: the anti-explosion layer (201) is internally provided with a flame-retardant cavity (202), and flame-retardant particles (203) are filled in the flame-retardant cavity (202).
5. The environment-friendly recyclable lithium ion battery cell according to claim 1, characterized in that: the outer wall of the bottom of the positive electrode lug body (3) is pasted with a positive electrode lug insulating layer (5), and a positive electrode lug protective film (6) is pasted on the outer wall of the positive electrode lug body (3) above the positive electrode lug insulating layer (5).
6. The environment-friendly recyclable lithium ion battery cell according to claim 1, characterized in that: and a negative electrode lug insulating layer (7) is pasted on the outer wall of the bottom of the negative electrode lug body (4), and a negative electrode lug protective film (8) is pasted on the outer wall of the negative electrode lug body (4) above the negative electrode lug insulating layer (7).
7. The environment-friendly recyclable lithium ion battery cell according to claim 2, wherein: the sealing cover (16) is installed inside the rectangular opening (15), and a sealing ring (17) is fixed at the edge position of the outer wall of the sealing cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808852.7U CN213583902U (en) | 2020-11-27 | 2020-11-27 | Environment-friendly recyclable lithium ion battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808852.7U CN213583902U (en) | 2020-11-27 | 2020-11-27 | Environment-friendly recyclable lithium ion battery cell |
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| Publication Number | Publication Date |
|---|---|
| CN213583902U true CN213583902U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022808852.7U Active CN213583902U (en) | 2020-11-27 | 2020-11-27 | Environment-friendly recyclable lithium ion battery cell |
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|---|---|
| CN (1) | CN213583902U (en) |
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- 2020-11-27 CN CN202022808852.7U patent/CN213583902U/en active Active
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