CN213071198U - Rubber-coated lithium ion battery - Google Patents
Rubber-coated lithium ion battery Download PDFInfo
- Publication number
- CN213071198U CN213071198U CN202021622502.5U CN202021622502U CN213071198U CN 213071198 U CN213071198 U CN 213071198U CN 202021622502 U CN202021622502 U CN 202021622502U CN 213071198 U CN213071198 U CN 213071198U
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- CN
- China
- Prior art keywords
- lithium cell
- connecting rod
- arc
- lithium
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 32
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 68
- 238000010073 coating (rubber) Methods 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 abstract description 30
- 239000008199 coating composition Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 22
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Secondary Cells (AREA)
Abstract
The utility model discloses a rubber coating formula lithium ion battery, including the lithium cell, the annular outside equidistance of lithium cell is fixed with the installation pole, the one end that the lithium cell was kept away from to the installation pole is fixed with the arc, wherein, the outside winding of arc has the rubber coating layer. The utility model discloses an installation pole and the arc that sets up, keep apart rubber coating and lithium cell through installation pole and arc, can make rubber coating keep apart between to the lithium cell, avoid the lithium cell short circuit, avoid rubber coating to hug closely the lithium cell simultaneously, make and produce the clearance between lithium cell and the rubber coating, be convenient for make the lithium cell dispel the heat through the clearance that produces, and produce a large amount of heats when the lithium cell at the charging and discharging in-process, the lithium cell is with heat transfer to heat conduction frame, heat conduction frame passes through heat-conducting plate increase heat radiating area simultaneously, can effectual improvement lithium cell and external area of contact through heat conduction frame and heat-conducting plate, can the radiating efficiency of effectual improvement lithium cell.
Description
Technical Field
The utility model relates to a lithium ion battery technical field specifically is a rubber coating formula lithium ion battery.
Background
The lithium ion battery is a secondary battery, which mainly depends on lithium ions moving between a positive electrode and a negative electrode to work, in the process of charging and discharging, Li + is inserted and extracted back and forth between the two electrodes, during charging, Li + is extracted from the positive electrode and inserted into the negative electrode through electrolyte, the negative electrode is in a lithium-rich state, and during discharging, the lithium ion battery is opposite, during use, the lithium ion battery needs to be wrapped by encapsulation, the lithium ion battery is isolated by encapsulation, and short circuit between the lithium ion batteries is avoided.
Although the types and the number of the existing encapsulated lithium ion batteries are very large, the existing encapsulated lithium ion batteries still have certain problems and bring certain inconvenience to the use of the encapsulated lithium ion batteries.
When the existing adhesive-coated lithium ion battery is used, the adhesive-coated layer is directly wound on the surface of a lithium ion battery shell, but the lithium ion battery can generate a large amount of heat during charging and discharging, but the heat conduction efficiency of the adhesive-coated layer is low, so that the lithium ion battery is inconvenient to dissipate heat and use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rubber coating formula lithium ion battery has solved current rubber coating formula lithium ion battery when using, and the direct winding of rubber coating layer is on lithium ion battery shell surface, but lithium ion battery can produce a large amount of heats when charge-discharge, but the heat conduction efficiency of rubber coating layer is low, and inconvenient lithium ion battery dispels the heat, the problem of inconvenient use.
In order to achieve the above object, the utility model provides a following technical scheme: an encapsulated lithium ion battery comprises a lithium battery, mounting rods are fixed on the outer side of the ring of the lithium battery at equal intervals, an arc-shaped plate is fixed at one end of each mounting rod, which is far away from the lithium battery, wherein,
the outside winding of arc has the rubber coating layer, the external fixation of lithium cell has the heat conduction frame, the bilateral symmetry of heat conduction frame is fixed with the heat-conducting plate.
Preferably, the middle part of the lithium battery is an electrolytic layer, the outer side of the electrolytic layer is a negative electrode layer, the outer side of the negative electrode layer is a diaphragm layer, the outer side of the diaphragm layer is a positive electrode layer, and the outer side of the positive electrode layer is a shell.
Preferably, the installation pole is through first branch and lithium cell outside fixed connection, the connecting rod groove has been seted up to the one side that the lithium cell was kept away from to the installation pole, the inside in connecting rod groove is fixed with the spring, the opening side that the spring is close to the connecting rod groove is connected with the connecting rod, the one end that first branch was kept away from to the connecting rod is fixed with second branch, the inboard fixed connection of second branch and arc.
Preferably, the connecting rod groove and the connecting rod are T-shaped, the maximum outer diameter of the connecting rod is larger than the minimum inner diameter of the connecting rod groove, and the connecting rod and the first supporting rod form elastic connection through a spring.
Preferably, the outer side of the arc-shaped plate is arc-shaped, and the outer diameter of the arc-shaped plate is larger than that of the lithium battery.
Preferably, the heat conduction frame and the heat conduction plate are fixedly connected into a whole, and the heat conduction frame and the heat conduction plate are made of aluminum alloy materials.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an installation pole and the arc that set up are kept apart package glue film and lithium cell through installation pole and arc, can make the package glue film keep apart between to the lithium cell, avoid the lithium cell short circuit, avoid the package glue film to hug closely the lithium cell simultaneously, make and produce the clearance between lithium cell and the package glue film, are convenient for make the lithium cell dispel the heat through the clearance that produces.
2. The utility model discloses a heat conduction frame and the heat-conducting plate that set up, when the lithium cell produces a large amount of heats at the charge-discharge in-process, the lithium cell with heat transfer to heat conduction frame, heat conduction frame passes through heat-conducting plate increase heat radiating area simultaneously, through heat conduction frame and heat-conducting plate can effectual improvement lithium cell and external area of contact, can the effectual radiating efficiency who improves the lithium cell.
3. The utility model discloses a spring that sets up, when winding rubber coating layer, rubber coating layer makes second branch hug closely first branch, makes the connecting rod get into the inside in connecting rod groove completely, and spring compression produces elasticity, and after rubber coating layer winding was accomplished, made the arc support the inboard of rubber coating layer through the spring, made rubber coating layer keep the tensioning state, avoided rubber coating layer to take place not hard up.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the mounting rod of the present invention;
fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.
In the figure: 1. a lithium battery; 101. an electrolytic layer; 102. a negative electrode layer; 103. a separator layer; 104. a positive electrode layer; 105. a housing; 2. mounting a rod; 201. a first support bar; 202. a connecting rod slot; 203. a spring; 204. a connecting rod; 205. a second support bar; 3. an arc-shaped plate; 4. wrapping an adhesive layer; 5. a heat conducting frame; 6. a heat conducting plate.
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 to 3, the present invention provides a technical solution: the rubber-coated lithium ion battery comprises a lithium battery 1, a mounting rod 2, an arc-shaped plate 3, a rubber coating layer 4, a heat conducting frame 5 and a heat conducting plate 6, wherein the mounting rod 2 is fixed on the annular outer side of the lithium battery 1 at equal intervals, the middle part of the lithium battery 1 is an electrolytic layer 101, the outer side of the electrolytic layer 101 is a negative layer 102, the outer side of the negative layer 102 is a diaphragm layer 103, the outer side of the diaphragm layer 103 is a positive layer 104, the outer side of the positive layer 104 is a shell 105, the mounting rod 2 is fixedly connected with the outer side of the lithium battery 1 through a first supporting rod 201, a connecting rod groove 202 is formed in one side, away from the lithium battery 1, of the mounting rod 2, a spring 203 is fixed inside the connecting rod groove 202, the opening side, close to the connecting rod groove 202, of the spring 203 is connected with a connecting rod 204, one end, away from the first supporting rod 201, of the connecting rod 204 is fixed with, the connecting rod groove 202 and the connecting rod 204 are T-shaped, the maximum outer diameter of the connecting rod 204 is larger than the minimum inner diameter of the connecting rod groove 202, the connecting rod 204 is elastically connected with the first supporting rod 201 through the spring 203, when the rubber coating layer 4 is wound, the rubber coating layer 4 enables the second supporting rod 205 to be tightly attached to the first supporting rod 201, the connecting rod 204 completely enters the connecting rod groove 202, the spring 203 compresses to generate elastic force, after the rubber coating layer 4 is wound, the arc-shaped plate 3 is abutted to the inner side of the rubber coating layer 4 through the spring 203, the rubber coating layer 4 is kept in a tensioning state, the looseness of the rubber coating layer 4 is avoided, the arc-shaped plate 3 is fixed at one end of the mounting rod 2, which is far away from the lithium battery 1, the outer side of the arc-shaped plate 3 is arc-shaped, the outer diameter of the arc-shaped plate 3 is larger than that of the lithium battery 1, the rubber coating layer 4 is isolated from the lithium battery, the short circuit of the lithium battery 1 is avoided, and the adhesive coating layer 4 is prevented from clinging to the lithium battery 1, so that a gap is generated between the lithium battery 1 and the adhesive coating layer 4, and the heat dissipation of the lithium battery 1 is facilitated through the generated gap,
the outside winding of arc 3 has rubber coating 4, lithium cell 1's external fixation has heat conduction frame 5, heat conduction frame 5 and heat-conducting plate 6 fixed connection as an organic whole to heat conduction frame 5 and heat-conducting plate 6 are made for aluminum alloy material, produce a large amount of heats when lithium cell 1 in charge-discharge process, lithium cell 1 puts up 5 with heat transfer, and heat conduction frame 5 passes through heat-conducting plate 6 increase heat radiating area simultaneously, through heat conduction frame 5 and heat-conducting plate 6 can effectual improvement lithium cell 1 and external area of contact, can effectual improvement lithium cell 1's radiating efficiency, the bilateral symmetry of heat conduction frame 5 is fixed with heat-conducting plate 6.
The working principle is as follows: the encapsulated lithium ion battery comprises a first support rod 201 tightly attached to a second support rod 205 by a rubber coating layer 4 when the rubber coating layer 4 is wound, a connecting rod 204 completely enters the connecting rod groove 202, an elastic force is generated by compression of a spring 203, after the rubber coating layer 4 is wound, an arc-shaped plate 3 is abutted to the inner side of the rubber coating layer 4 through the spring 203, the rubber coating layer 4 is kept in a tensioning state, the rubber coating layer 4 is prevented from loosening, the rubber coating layer 4 is isolated from a lithium battery 1 through an installation rod 2 and the arc-shaped plate 3, the rubber coating layer 4 can isolate the lithium battery 1 from each other, the lithium battery 1 is prevented from short-circuiting, the rubber coating layer 4 is prevented from tightly attaching to the lithium battery 1, a gap is generated between the lithium battery 1 and the rubber coating layer 4, the lithium battery 1 can be conveniently cooled through the generated gap, when the lithium battery 1 generates a large amount of heat in the charging and, simultaneously the heat conduction frame 5 passes through heat-conducting plate 6 increase heat radiating area, through heat conduction frame 5 and heat-conducting plate 6 can effectual improvement lithium cell 1 and external area of contact, can effectual improvement lithium cell 1's radiating efficiency.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An encapsulated lithium ion battery comprising a lithium battery (1), characterized in that: the annular outer side of the lithium battery (1) is equidistantly fixed with mounting rods (2), one end of each mounting rod (2) far away from the lithium battery (1) is fixed with an arc-shaped plate (3), wherein,
the outside winding of arc (3) has rubber coating (4), the external fixation of lithium cell (1) has heat conduction frame (5), the bilateral symmetry of heat conduction frame (5) is fixed with heat-conducting plate (6).
2. The encapsulated lithium ion battery of claim 1, wherein: the lithium battery (1) comprises an electrolytic layer (101), a negative electrode layer (102), a diaphragm layer (103), a positive electrode layer (104) and a shell (105), wherein the electrolytic layer (101) is arranged in the middle of the lithium battery (1), the negative electrode layer (102) is arranged on the outer side of the electrolytic layer (101), the diaphragm layer (103) is arranged on the outer side of the negative electrode layer (102), the positive electrode layer (104) is arranged on the outer side of the diaphragm layer (103), and the shell (105) is arranged on the outer side of the positive electrode layer (104).
3. The encapsulated lithium ion battery of claim 1, wherein: installation pole (2) include first branch (201), connecting rod groove (202), spring (203), connecting rod (204) and second branch (205), installation pole (2) are through first branch (201) and lithium cell (1) outside fixed connection, connecting rod groove (202) have been seted up to one side that lithium cell (1) were kept away from in installation pole (2), the inside of connecting rod groove (202) is fixed with spring (203), the opening side that spring (203) are close to connecting rod groove (202) is connected with connecting rod (204), the one end that first branch (201) were kept away from in connecting rod (204) is fixed with second branch (205), the inboard fixed connection of second branch (205) and arc (3).
4. The encapsulated lithium ion battery of claim 3, wherein: the connecting rod groove (202) and the connecting rod (204) are T-shaped, the maximum outer diameter of the connecting rod (204) is larger than the minimum inner diameter of the connecting rod groove (202), and the connecting rod (204) is elastically connected with the first support rod (201) through the spring (203).
5. The encapsulated lithium ion battery of claim 1, wherein: the outer side of the arc-shaped plate (3) is arc-shaped, and the outer diameter of the arc-shaped plate (3) is larger than that of the lithium battery (1).
6. The encapsulated lithium ion battery of claim 1, wherein: the heat conduction frame (5) and the heat conduction plate (6) are fixedly connected into a whole, and the heat conduction frame (5) and the heat conduction plate (6) are made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622502.5U CN213071198U (en) | 2020-08-07 | 2020-08-07 | Rubber-coated lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622502.5U CN213071198U (en) | 2020-08-07 | 2020-08-07 | Rubber-coated lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213071198U true CN213071198U (en) | 2021-04-27 |
Family
ID=75580504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021622502.5U Expired - Fee Related CN213071198U (en) | 2020-08-07 | 2020-08-07 | Rubber-coated lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213071198U (en) |
-
2020
- 2020-08-07 CN CN202021622502.5U patent/CN213071198U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |