CN215496914U - High-strength compression-resistant lithium polymer battery - Google Patents
High-strength compression-resistant lithium polymer battery Download PDFInfo
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- CN215496914U CN215496914U CN202121721169.8U CN202121721169U CN215496914U CN 215496914 U CN215496914 U CN 215496914U CN 202121721169 U CN202121721169 U CN 202121721169U CN 215496914 U CN215496914 U CN 215496914U
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- lithium polymer
- polymer battery
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- frame
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to the technical field of lithium polymer batteries, and discloses a high-strength compression-resistant lithium polymer battery, which comprises a lithium polymer battery block, wherein a compression-resistant frame is arranged outside the lithium polymer battery block and is of a hollow frame-shaped structure, a positive electrode lug and a negative electrode lug are arranged at one end of the lithium polymer battery block and penetrate through the compression-resistant frame, and a polyimide adhesive tape is arranged at the edge of the surface wall of the lithium polymer battery block. Can not directly damage the aluminum-plastic packaging film.
Description
Technical Field
The utility model belongs to the technical field of lithium polymer batteries, and particularly relates to a high-strength compression-resistant lithium polymer battery.
Background
Since the advent of the world, batteries have been widely used by humans as a carrier for storing electricity, and there are currently various types of batteries, among which, lithium polymer batteries are superior batteries in the battery type because of their high energy, small size and light weight, and can be made into various shapes and capacities in accordance with the demands of some products because of their ultra-thin characteristics.
Due to the wide application range of the lithium polymer battery, the lithium polymer battery may be extruded in some devices, the pressure resistance of the existing lithium polymer battery is poor, when the lithium polymer battery is extruded, the external aluminum plastic film shell may be damaged, and then combustion occurs, and since lithium is very active in chemical property, the temperature inside the battery may be continuously raised during charging and discharging, and safety may be affected if heat is not dissipated in time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength compression-resistant lithium polymer battery to solve the problems of poor compression resistance and poor heat dissipation effect of the conventional lithium polymer battery.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high strength resistance to compression lithium polymer battery, includes lithium polymer battery piece, the outside of lithium polymer battery piece is provided with the resistance to compression frame, and the resistance to compression frame is cavity frame column structure, the one end of lithium polymer battery piece is provided with anodal ear and negative pole ear, and just anodal ear and negative pole ear run through the resistance to compression frame, the edge of lithium polymer battery piece table wall is provided with the polyimide sticky tape.
Preferably, the lithium polymer battery block comprises an aluminum-plastic packaging film, an electrolyte, a positive electrode material, an isolating film and a negative electrode material, and the electrolyte, the positive electrode material, the isolating film and the negative electrode material are positioned inside the aluminum-plastic packaging film. Preferably, the separator is located between the positive electrode material and the negative electrode material, and the positive electrode material and the electrolyte are in contact with each other.
Preferably, the external fixing strip is arranged outside the pressure-resistant frame, and the upper side and the lower side of the external fixing strip are provided with the protection plates.
Preferably, a polyimide adhesive tape is arranged at the edge of the surface wall of the lithium polymer battery block, and a silicone grease heat dissipation layer is arranged at the gap between the outer fixing strip and the protection plate.
Preferably, a sealing film is arranged on the surface wall of the silicone grease heat dissipation layer, and a protective film is arranged outside the pressure-resistant frame.
Compared with the prior art, the utility model has the following beneficial effects:
(1) according to the utility model, the compression-resistant frame is arranged at the edge of the lithium polymer battery block, the compression-resistant frame wraps the lithium polymer battery block, the external fixing strip is arranged outside the compression-resistant frame, the transverse compression-resistant effect of the compression-resistant frame is increased through the external fixing strip, when the lithium polymer battery block is used, the lithium polymer battery block is arranged inside the compression-resistant frame, the compression-resistant capability of the lithium polymer battery block is increased through the external support of the compression-resistant frame, and the lithium polymer battery block cannot be directly damaged under the condition that the lithium polymer battery block is externally extruded.
(2) According to the utility model, the silicone grease heat dissipation layer is arranged at the gap between the compression-resistant frame and the protection plate, the sealing film is arranged outside the silicone grease heat dissipation layer for protection, when the battery is used, the sealing film is torn off, the regulation heat dissipation layer in the exposed part is arranged behind equipment, the regulation heat dissipation layer is contacted with the equipment, and heat is led out, so that the heat dissipation effect of the battery is increased, and the overhigh heat of the battery in the charging and heat dissipation processes is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of a lithium polymer battery block according to the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a side view of a silicone grease heat spreading layer and sealing membrane of the present invention;
in the figure: 1. a positive tab; 2. a lithium polymer battery block; 3. an outer fixing strip; 4. a protective film; 5. a pressure resistant frame; 6. a polyimide tape; 7. a protection plate; 8. a silicone grease heat dissipation layer; 9. sealing the film; 10. a negative tab; 11. an aluminum-plastic packaging film; 12. an electrolyte; 13. a positive electrode material; 14. an isolation film; 15. and (3) a negative electrode material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high strength resistance to compression lithium polymer battery, including lithium polymer battery piece 2, the outside of lithium polymer battery piece 2 is provided with resistance to compression frame 5, and resistance to compression frame 5 is cavity frame column structure, the one end of lithium polymer battery piece 2 is provided with positive ear 1 and negative pole ear 10, positive ear 1 and negative pole ear 10 adopt film and strap two parts complex to form, the film is insulating part, prevent to take place the short circuit between strap and the plastic-aluminum packaging film 11 during battery encapsulation, and prevent the weeping together through heating and 11 hot melt seal bonds of plastic-aluminum packaging film during encapsulation, and positive ear 1 and negative pole ear 10 run through resistance to compression frame 5, the edge of 2 table walls of lithium polymer battery piece is provided with polyimide adhesive tape 6.
Further, the lithium polymer battery block 2 comprises an aluminum-plastic packaging film 11, an electrolyte 12, a positive electrode material 13, an isolation film 14 and a negative electrode material 15, wherein the electrolyte 12, the positive electrode material 13, the isolation film 14 and the negative electrode material 15 are located inside the aluminum-plastic packaging film 11, the positive electrode material 13 is divided into lithium cobaltate, lithium manganate, a ternary material and a lithium iron phosphate material, and the negative electrode material 15 can be graphite.
Further, the separator 14 is located between the positive electrode material 13 and the negative electrode material 15, the separator 14 is used for preventing the positive electrode material 13 and the negative electrode material 15 from contacting, so as to avoid a short circuit condition inside the battery, and the positive electrode material 13 and the electrolyte 12 are in contact with each other.
Specifically, the externally mounted of anti-pressure frame 5 has outer fixed strip 3, and the upper and lower both sides of outer fixed strip 3 all are provided with guard plate 7, are the rectangle structure after two guard plates 7 make up, and the table wall of laminating lithium polymer battery piece 2 can prevent that lithium polymer battery piece 2 from being buckled by violence to a certain extent.
It is worth to be noted that the edge of the surface wall of the lithium polymer battery block 2 is provided with a polyimide adhesive tape 6, commonly called a high-temperature insulating adhesive tape, which has the characteristics of high and low temperature resistance, acid and alkali resistance, molten liquid resistance, electric insulation and the like, the adhesive force is always kept, the conditions of adhesive residue and edge warping cannot occur, and a silicone grease heat dissipation layer 8 is arranged at the gap between the outer fixing strip 3 and the protection plate 7.
Further, a sealing film 9 is arranged on the surface wall of the silicone grease heat dissipation layer 8, the sealing film 9 is hard to prevent the silicone grease heat dissipation layer from contacting with air and oxidation, and can be torn off when in use, and a protective film 4 is arranged outside the pressure-resistant frame 5.
The working principle and the using process of the utility model are as follows: when the utility model is used, the lithium polymer battery block 2 is placed in the compression-resistant frame 5, the edge of the lithium polymer battery block 2 is wrapped by the compression-resistant frame 5 to increase the compression resistance of the lithium polymer battery block 2, the two ends of the protective film 4 are fixed by the outer fixing strip 3 to strengthen the transverse compression resistance of the compression-resistant frame 5, a silicone grease heat dissipation layer 8 is coated at the gap formed between the protection plate 7 and the protection plate 7, the sealing film 9 is used for covering the outer part of the silicone grease heat dissipation layer 8 to prevent the silicone grease heat dissipation layer 8 from being oxidized and hardened by contacting with air, before the lithium polymer battery is put into use, the protective film 4 is torn off, corresponding electric wires are connected at the positive lug 1 and the negative lug 10, then the sealing film 9 is torn off and installed in the equipment, the silicone grease heat dissipation layer 8 is mutually contacted with the shell of the equipment, when the lithium polymer battery is used, the heat is transferred to the equipment shell, then the heat is dissipated to the outside, excessive temperature of the lithium polymer battery block 2 is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-strength compression-resistant lithium polymer battery comprising a lithium polymer battery block (2), characterized in that: the outside of lithium polymer battery piece (2) is provided with anti pressure frame (5), and just anti pressure frame (5) are cavity frame column structure, the one end of lithium polymer battery piece (2) is provided with anodal ear (1) and negative pole ear (10), and just anodal ear (1) and negative pole ear (10) run through anti pressure frame (5), the edge of lithium polymer battery piece (2) table wall is provided with polyimide adhesive tape (6).
2. A high strength compression resistant lithium polymer battery as claimed in claim 1, wherein: the lithium polymer battery block (2) comprises an aluminum-plastic packaging film (11), electrolyte (12), a positive electrode material (13), an isolating film (14) and a negative electrode material (15), wherein the electrolyte (12), the positive electrode material (13), the isolating film (14) and the negative electrode material (15) are located inside the aluminum-plastic packaging film (11).
3. A high strength compression resistant lithium polymer battery as claimed in claim 2, wherein: the separator (14) is located between the positive electrode material (13) and the negative electrode material (15), and the positive electrode material (13) and the electrolyte (12) are in contact with each other.
4. A high strength compression resistant lithium polymer battery as claimed in claim 3, wherein: the outer fixing strip (3) is arranged outside the pressure-resistant frame (5), and protection plates (7) are arranged on the upper side and the lower side of the outer fixing strip (3).
5. The high strength lithium polymer battery of claim 4, wherein: polyimide adhesive tapes (6) are arranged at the edges of the surface walls of the lithium polymer battery blocks (2), and silicone grease heat dissipation layers (8) are arranged at gaps between the external fixing strips (3) and the protection plates (7).
6. A high strength compression resistant lithium polymer battery as claimed in claim 5, wherein: the surface wall of the silicone grease heat dissipation layer (8) is provided with a sealing film (9), and the outside of the pressure-resistant frame (5) is provided with a protective film (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121721169.8U CN215496914U (en) | 2021-07-27 | 2021-07-27 | High-strength compression-resistant lithium polymer battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121721169.8U CN215496914U (en) | 2021-07-27 | 2021-07-27 | High-strength compression-resistant lithium polymer battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215496914U true CN215496914U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121721169.8U Active CN215496914U (en) | 2021-07-27 | 2021-07-27 | High-strength compression-resistant lithium polymer battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215496914U (en) |
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2021
- 2021-07-27 CN CN202121721169.8U patent/CN215496914U/en active Active
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