CN210516854U - Collector plate of lithium ion storage battery - Google Patents
Collector plate of lithium ion storage battery Download PDFInfo
- Publication number
- CN210516854U CN210516854U CN201922064640.XU CN201922064640U CN210516854U CN 210516854 U CN210516854 U CN 210516854U CN 201922064640 U CN201922064640 U CN 201922064640U CN 210516854 U CN210516854 U CN 210516854U
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- CN
- China
- Prior art keywords
- current collector
- heat dissipation
- lithium ion
- ion battery
- 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.)
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 44
- 238000003860 storage Methods 0.000 title abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 69
- 238000005507 spraying Methods 0.000 claims description 10
- 239000003973 paint Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000007788 roughening Methods 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Images
Classifications
-
- 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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- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a lithium ion battery collector plate relates to lithium ion battery field, provides a can spill the inside thermal lithium ion battery collector plate of lithium ion battery. The lithium ion storage battery current collecting plate comprises a current collector, a current collector boss and a current collecting column, wherein the current collector boss is arranged on the outer surface of the current collector, the current collecting column is arranged on the current collector boss, and the lithium ion storage battery current collecting plate further comprises a heat dissipation structure which is connected to the outer surface of the current collector. The heat dissipation structure is arranged on the outer surface of the current collector, so that the heat dissipation capacity of the current collector is greatly improved. The heat in the lithium ion storage battery is transferred to the current collector and then transferred to the heat dissipation structure, and then the heat can be dissipated outwards. It is thus clear that the utility model discloses do benefit to and reduce the inside temperature of lithium ion battery, improved the reliability of lithium ion battery under high temperature, big multiplying power, long-time power supply condition to a certain extent, guarantee life-span, security, the reliability of lithium ion battery.
Description
Technical Field
The utility model relates to a lithium ion battery field especially relates to a lithium ion battery collector plate.
Background
The current collecting plate structure is an important component of the integrated lithium ion storage battery, plays roles of collecting current, outputting power and inputting charge, and plays a role in positioning a part of tabs of the lithium ion storage battery.
The current collector plate comprises a current collector, a current collector boss and a current collector column, wherein the current collector boss is arranged on the outer surface of the current collector, the current collector column is arranged on the current collector boss, and an installation groove is formed in the inner surface of the current collector. The current collector is a matrix for parallel connection of the small-capacity lithium ion storage battery, plays a role in conducting and energy gathering, can meet the requirement of large current and high power, and ensures the energy requirement of a system. The current collector boss is the main part for power output and input of the whole single battery and also plays a supporting role for an external span or electric energy conducting medium. The current collecting column compresses the bridging plate or the electric energy conducting medium on the current collecting boss through the nut, so that the good contact between the bridging plate or the electric energy conducting medium and the boss is ensured, and the current collecting column has certain electric conductivity. The mounting groove is mainly used for limiting the lug of the small-capacity lithium ion storage battery to be mounted, and the phenomenon that the lug is staggered in the mounting process is avoided. The single cover structure of the integrated lithium ion battery disclosed in the chinese patent 201821972335.X includes the current collecting plate.
The current collector plate of the existing lithium ion storage battery has no heat dissipation structure, and after the lithium ion storage battery works for a long time or discharges with high power, heat is accumulated in the lithium ion storage battery and is difficult to be dissipated to the surrounding environment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provided is a lithium ion battery collector plate capable of dissipating heat inside a lithium ion battery.
The technical scheme adopted for solving the problems is as follows: the lithium ion storage battery current collecting plate comprises a current collector, a current collector boss and a current collecting column, wherein the current collector boss is arranged on the outer surface of the current collector, the current collecting column is arranged on the current collector boss, and the lithium ion storage battery current collecting plate further comprises a heat dissipation structure which is connected to the outer surface of the current collector.
Further, the method comprises the following steps: the heat dissipation structure comprises a plurality of heat dissipation fins, wherein the heat dissipation fins are arranged in parallel and at intervals and are perpendicular to the current collector.
Further, the method comprises the following steps: the heat dissipation structure comprises a heat dissipation bottom plate and a plurality of heat dissipation fins, wherein the heat dissipation fins are arranged in parallel and at intervals, the heat dissipation fins are perpendicular to and connected with the heat dissipation bottom plate, the heat dissipation bottom plate is connected with a current collector, and heat conduction silica gel is filled between the heat dissipation bottom plate and the current collector.
Further, the method comprises the following steps: the current collector shape is the rectangle, and the mass flow body boss is located mass flow body one end, and heat radiation structure is located the mass flow body boss next door, and radiating fin sets up along mass flow body width direction, and each radiating fin sets up along mass flow body length direction interval.
Further, the method comprises the following steps: the radiating fins are treated by adopting a high-emissivity surface treatment mode, and the treatment mode specifically comprises anodic oxidation, surface roughening treatment, surface paint spraying or surface radiation material spraying.
Further, the method comprises the following steps: and (4) insulating the radiating fins, wherein the insulating treatment is carried out by anode oxidation, insulating paint spraying or insulating plastic paint spraying.
Further, the method comprises the following steps: and grinding and polishing the contact heat-conducting surface of the heat-radiating structure and the current collector.
Further, the method comprises the following steps: the inner surface of the current collector is provided with a mounting groove.
The utility model has the advantages that: the heat dissipation structure is arranged on the outer surface of the current collector, so that the heat dissipation capacity of the current collector is greatly improved. The heat in the lithium ion storage battery is transferred to the current collector and then transferred to the heat dissipation structure, and then the heat can be dissipated outwards. It is thus clear that the utility model discloses do benefit to and reduce the inside temperature of lithium ion battery, improved the reliability of lithium ion battery under high temperature, big multiplying power, long-time power supply condition to a certain extent, guarantee life-span, security, the reliability of lithium ion battery. On the other hand, the system heat dissipation design can be simplified for a system with a slightly large heat productivity, the reliability and the manufacturability of the system are improved, the system management is simplified, the reliability, the safety, the service life and the production efficiency of a battery system are improved, and the system is particularly suitable for industries such as aviation, automobile industry, aerospace and underwater power supply.
Drawings
Fig. 1 is a front view of a collector plate of a first lithium ion battery;
FIG. 2 is a right side view of a first lithium ion battery current collector;
FIG. 3 is a front view of a collector plate of a second type of lithium ion battery;
labeled as: the current collector comprises a current collector 1, a current collector boss 2, a current collector column 3, a heat dissipation structure 4, a heat dissipation fin 41, a heat dissipation bottom plate 42 and heat conduction silica gel 5.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 and fig. 3, the lithium ion battery collector plate includes a current collector 1, a current collector boss 2 and a current collector post 3, the current collector boss 2 is disposed on the outer surface of the current collector 1, the current collector post 3 is disposed on the current collector boss 2, and the lithium ion battery collector plate further includes a heat dissipation structure 4, and the heat dissipation structure 4 is connected on the outer surface of the current collector 1.
The heat dissipation structure 4 is arranged on the outer surface of the current collector 1, so that the heat dissipation capacity of the current collector is greatly improved. The heat in the lithium ion storage battery is transferred to the current collector 1 and then transferred to the heat dissipation structure 4, and then the heat can be dissipated outwards.
The specific structure of the heat dissipation structure 4 and the connection manner with the current collector 1 may be as shown in fig. 1: the heat dissipation structure 4 includes a plurality of heat dissipation fins 41, each heat dissipation fin 41 is parallel to and spaced apart from each other, and the heat dissipation fins 41 are perpendicular to the current collector 1.
The specific structure of the heat dissipation structure 4 and the connection manner with the current collector 1 can also be as shown in fig. 3: the heat dissipation structure 4 comprises a heat dissipation bottom plate 42 and a plurality of heat dissipation fins 41, wherein the heat dissipation fins 41 are arranged in parallel and at intervals, the heat dissipation fins 41 are perpendicular to and connected with the heat dissipation bottom plate 42, the heat dissipation bottom plate 42 is connected with the current collector 1, and heat conduction silica gel 5 is filled between the heat dissipation bottom plate 42 and the current collector 1.
The specific shape of the current collector 1 and the positional relationship between the heat dissipation structure 4 and the current collector boss 2 are preferably as follows: the shape of the current collector 1 is a rectangle, the current collector boss 2 is located at one end of the current collector 1, the heat dissipation structure 4 is located beside the current collector boss 2, the heat dissipation fins 41 are arranged along the width direction of the current collector 1, and the heat dissipation fins 41 are arranged along the length direction of the current collector 1 at intervals.
In order to ensure that the phenomenon of electrode lug dislocation cannot occur in the installation process, the inner surface of the current collector 1 is provided with an installation groove 11, which is the same as the prior art.
In order to ensure the heat dissipation effect, the heat dissipation fins 41 may be made of a high heat conduction material, and the heat conduction material may be heat conduction graphite, heat conduction carbon, aluminum alloy, red copper, ultra-light metal material, or the like.
To further improve the heat dissipation effect, the heat dissipation fins 41 may be treated with a high emissivity surface treatment, such as anodizing (including various colors), surface roughening, surface painting, and surface painting with a radiation material.
The heat dissipating fins 41 may be further subjected to insulation treatment in the form of anodic oxidation, spraying of insulating paint, spraying of insulating plastic paint, or the like.
Preferably, the contact heat-conducting surface of the heat-dissipating structure 4 and the current collector 1 is subjected to grinding and polishing treatment, so as to increase the heat-conducting capacity between the current collector 1 and the heat-dissipating structure 4.
Claims (8)
1. Lithium ion battery current collector, including mass flow body (1), mass flow body boss (2) and current collection post (3), mass flow body boss (2) set up on the surface of mass flow body (1), and current collection post (3) set up on mass flow body boss (2), its characterized in that: the heat dissipation structure comprises a heat dissipation structure (4), wherein the heat dissipation structure (4) is connected to the outer surface of a current collector (1).
2. The lithium ion battery current collector plate according to claim 1, wherein: the heat dissipation structure (4) comprises a plurality of heat dissipation fins (41), the heat dissipation fins (41) are arranged in parallel and at intervals, and the heat dissipation fins (41) are perpendicular to the current collector (1).
3. The lithium ion battery current collector plate according to claim 1, wherein: the heat dissipation structure (4) comprises a heat dissipation bottom plate (42) and a plurality of heat dissipation fins (41), wherein the heat dissipation fins (41) are arranged in parallel and at intervals, the heat dissipation fins (41) are perpendicular to and connected with the heat dissipation bottom plate (42), the heat dissipation bottom plate (42) is connected with the current collector (1), and heat conduction silica gel (5) is filled between the heat dissipation bottom plate (42) and the current collector (1).
4. The lithium ion battery current collecting plate according to claim 2 or 3, wherein: the shape of the current collector (1) is rectangular, the current collector boss (2) is located at one end of the current collector (1), the heat dissipation structure (4) is located beside the current collector boss (2), the heat dissipation fins (41) are arranged along the width direction of the current collector (1), and the heat dissipation fins (41) are arranged at intervals along the length direction of the current collector (1).
5. The lithium ion battery current collecting plate according to claim 2 or 3, wherein: the radiating fins (41) are treated by adopting a high-emissivity surface treatment mode, and the treatment mode specifically comprises anodic oxidation, surface roughening treatment, surface paint spraying or surface radiation material spraying.
6. The lithium ion battery current collecting plate according to claim 2 or 3, wherein: the heat radiating fins (41) are subjected to insulation treatment, and the treatment mode specifically comprises anodic oxidation, insulating paint spraying or insulating plastic paint spraying.
7. The lithium ion battery current collector plate according to claim 1, wherein: and the heat-conducting surface of the heat-radiating structure (4) in contact with the current collector (1) is polished.
8. The lithium ion battery current collector plate according to claim 1, wherein: the inner surface of the current collector (1) is provided with a mounting groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922064640.XU CN210516854U (en) | 2019-11-26 | 2019-11-26 | Collector plate of lithium ion storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922064640.XU CN210516854U (en) | 2019-11-26 | 2019-11-26 | Collector plate of lithium ion storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516854U true CN210516854U (en) | 2020-05-12 |
Family
ID=70575304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922064640.XU Active CN210516854U (en) | 2019-11-26 | 2019-11-26 | Collector plate of lithium ion storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516854U (en) |
-
2019
- 2019-11-26 CN CN201922064640.XU patent/CN210516854U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 519 Sanjiang Avenue, Mianyang Economic Development Zone, Sichuan 621000 Patentee after: Sichuan Changhong Power Supply Co.,Ltd. Country or region after: China Address before: No. 519 Sanjiang Avenue, Mianyang Economic Development Zone, Sichuan 621000 Patentee before: SICHUAN CHANGHONG BATTERY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |