CN209088003U - A kind of battery - Google Patents
A kind of battery Download PDFInfo
- Publication number
- CN209088003U CN209088003U CN201822130790.1U CN201822130790U CN209088003U CN 209088003 U CN209088003 U CN 209088003U CN 201822130790 U CN201822130790 U CN 201822130790U CN 209088003 U CN209088003 U CN 209088003U
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- Prior art keywords
- thermally conductive
- conductive sheet
- core
- battery
- shell
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of batteries, it belongs to battery technology field, including shell and top cover, at least two core are provided in shell, the pole of top cover is connected to the tab of core, and battery further includes thermally conductive sheet, and thermally conductive sheet two sides are provided with protrusion, and thermally conductive sheet includes interior heat-conducting layer and thermal insulation layer, thermal insulation layer is coated on outside interior heat-conducting layer；Thermally conductive sheet is set between two adjacent core, and one end abuts or be connected to the welding position of pole and tab, and the other end is contacted with the bottom of shell.The utility model can be radiated by the heat transfer of the welding position between two adjacent core between top cover and tab and pole to shell by shell by thermally conductive sheet, and local temperature in inside battery is avoided to increase.By protrusion, protrusion can not only be made to be in close contact with core and accelerate heat transfer, and can buffer when battery is hit to impact force after graphite linings expanded by heating, avoid core damage when being hit.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of batteries.
Background technique
Lithium ion battery is high with specific energy, good rate capability, the characteristics of having extended cycle life, in consumer electronic devices, newly
Energy automobile and energy storage field application are also more and more extensive.
The shell of lithium ion battery is usually pure aluminum material or stainless steel material, carries out insulation protection to lithium ion battery,
The inside of shell is usually provided with two core or even four core.It is directly contacted between two adjacent core, and top cover
Ultrasonic bonding, during lithium ion battery high rate charge-discharge, adjacent two are used between pole and the tab of core
Welding position between core between the pole of top cover and the tab of core can generate biggish heat, lead to office in battery
Portion's temperature increases, and dries electrolyte, even results in battery thermal failure, seriously affects the security performance and workability of lithium ion battery
Energy.
Utility model content
The purpose of this utility model is to provide a kind of batteries to improve battery to realize the good heat radiating to inside battery
Security performance and working performance.
As above design, the technical scheme adopted by the utility model is
A kind of battery, including shell and top cover, at least two core are provided in the shell, and the pole of the top cover connects
It is connected to the tab of the core, the battery further includes thermally conductive sheet, and the thermally conductive sheet two sides are provided with protrusion, and described thermally conductive
Piece includes interior heat-conducting layer and thermal insulation layer, and the thermal insulation layer is coated on outside the interior heat-conducting layer；
The thermally conductive sheet is set between two adjacent core, and one end abuts or be connected to the pole and institute
The welding position of tab is stated, the other end is contacted with the bottom of the shell.
Further, the interior heat-conducting layer and the thermal insulation layer bend protrusion shape to the two sides of the thermally conductive sheet jointly
At the protrusion.
Further, the protrusion of the thermally conductive sheet two sides shifts to install.
Further, the interior heat-conducting layer is graphite linings.
Further, the thermal insulation layer is made of polypropylene or polyimides.
Further, the thermally conductive sheet is I-shaped structure along the cross sectional shape of the short transverse of the battery.
Further, Positive Poles and negative pole, the Positive Poles, negative pole difference are provided on the top cover
Anode ear, negative electrode lug by welded connecting in the core form the welding position.
The utility model has the following beneficial effects:
The utility model proposes battery, contacted by thermally conductive sheet one end with the welding position of pole and tab, the other end
It is contacted with the shell of battery, and between two adjacent core, it can be in battery (lithium ion battery) high rate charge-discharge
In the process, to the heat transfer of the welding position generation between two adjacent core between top cover and the tab of core to shell
Body is radiated by shell, be can be avoided local temperature in inside battery and is increased, improves the security performance and workability of battery
Energy.In addition, by setting protrusion, it can not only be after graphite linings expanded by heating, so that protrusion is in close contact with core and is accelerated
Heat transfer to improve heat transfer rate, and can buffer impact force when battery is hit, avoid core by
To being damaged when hitting, to improve the structural strength and impact resistance of battery.
Detailed description of the invention
Fig. 1 is the partial structural diagram one of battery provided by the utility model；
Fig. 2 is the partial structural diagram two of battery provided by the utility model.
Fig. 3 is the cross-sectional view of thermally conductive sheet provided by the utility model；
In figure:
1, thermally conductive sheet；101, raised；102, pit；11, thermal insulation layer；12, interior heat-conducting layer；
2, core；
3, top cover；
4, welding position.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
As shown in Figure 1 to Figure 3, a kind of battery is present embodiments provided, which is lithium ion battery, including shell, top
Lid 3 and thermally conductive sheet 1.Wherein, in the present embodiment, shell is aluminum hull, and there are two core 2 for setting in shell, certainly at other
In embodiment, the quantity of core 2 can also for three, four or more.There are two positive terminal and two for setting on top cover 3
Negative terminal, one of positive terminal and a negative terminal are connected to the anode ear and negative electrode lug of a core 2, and each
Welding position 4 is formed using ultrasonic bonding between pole and corresponding tab.Thermally conductive sheet 1 be set to two core 2 it
Between, and one end abuts or is connected to the welding position 4 of pole and tab, the other end is contacted with housing bottom.
Specifically, as shown in figure 3, the two sides of the thermally conductive sheet 1 are provided with protrusion 101, and the thermally conductive sheet 1 includes interior leads
Thermosphere 12 and thermal insulation layer 11, thermal insulation layer 11 are coated on outside interior heat-conducting layer 12.Wherein, in the present embodiment, it inside leads
Thermosphere 12 is the graphite linings with high thermal conductivity, and the thermal coefficient of graphite linings and thickness etc. are set according to actual needs
It sets, it is not limited here.In addition, in the present embodiment, thermal insulation layer 11 is made of polypropylene or polyimides, certainly at it
In his embodiment, thermal insulation layer 11 can also be other good heat conductivities and the material of insulation.
By contacting 1 one end of thermally conductive sheet with the welding position 4 of pole and tab, and the shell of the other end and battery connects
Touching, and middle position is contacted with core 2, can during battery (lithium ion battery) high rate charge-discharge, by top cover 3 and with
The heat transfer that welding position 4 between the tab of core 2 generates is radiated outward by shell, be can be avoided to shell
Local temperature increases in inside battery, influences the security performance and working performance of battery.In addition, by setting protrusion 101, not only
It can be after graphite linings expanded by heating, so that protrusion 101 is in close contact with core 2 and accelerates heat transfer, to improve heat transfer speed
Degree, and graphite linings are loose porous, can carry out with above-mentioned raised 101 collective effect to impact force when battery is hit
Buffering, avoids the damage when being hit of core 2, to improve the structural strength and impact resistance of battery.
As shown in figure 3, in the present embodiment, interior heat-conducting layer 12 and thermal insulation layer 11 are jointly to two lateral bendings of thermally conductive sheet 1
Folding protrusion forms above-mentioned raised 101 shifted to install, and forms the pit 102 shifted to install, wherein 101 pairs of the protrusion of side
Should in the pit 102 of the other side, i.e. the two sides of thermally conductive sheet 1 to the protrusion 101 and pit 102 towards corresponding core 2,
By pit 102 can to two core 2 positioned at 1 two sides of thermally conductive sheet expansion there are certain space so that core 2 by
Certain expansion is able to carry out when hot, to guarantee the stabilization of battery structure.Certainly in other embodiments, protrusion 101 may be used also
Think the structure being set to outside thermal insulation layer 11, and using can thermally conductive and insulation material be made.
As shown in figure 3, shape of the thermally conductive sheet 1 along the section of the short transverse of battery is I-shaped structure.It will be thermally conductive
Piece 1 is set as above structure, can guarantee that thermally conductive sheet 1 and the welding position 4 of each pole and corresponding tab contact, from
And realize that the heat for generating each welding position 4 is spread out of, and be capable of increasing the contact area with shell, improve heat dissipation effect
Fruit.In addition, I-shaped structure also can carry out centainly two core 2 for being located at its two sides in the short transverse of battery
Clamping, guarantee 2 structure of core stability.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (7)
1. a kind of battery, which is characterized in that including shell and top cover (3), at least two core (2) are provided in the shell,
The pole of the top cover (3) is connected to the tab of the core (2), and the battery further includes thermally conductive sheet (1), the thermally conductive sheet
(1) two sides are provided with raised (101), and the thermally conductive sheet (1) includes interior heat-conducting layer (12) and thermal insulation layer (11), described
It is external that thermal insulation layer (11) is coated on the interior heat-conducting layer (12)；
The thermally conductive sheet (1) is set between the core (2) of adjacent two, and one end abut or be connected to the pole with
The welding position (4) of the tab, the other end are contacted with the bottom of the shell.
2. battery according to claim 1, which is characterized in that the interior heat-conducting layer (12) and the thermal insulation layer (11)
Raised (101) are formed to the two sides of the thermally conductive sheet (1) bending protrusion jointly.
3. battery according to claim 2, which is characterized in that raised (101) dislocation of thermally conductive sheet (1) two sides
Setting.
4. battery according to claim 1, which is characterized in that the interior heat-conducting layer (12) is graphite linings.
5. battery according to claim 1, which is characterized in that the thermal insulation layer (11) is by polypropylene or polyimides
It is made.
6. battery according to claim 1, which is characterized in that the short transverse of the thermally conductive sheet (1) along the battery
Cross sectional shape is I-shaped structure.
7. battery according to claim 1, which is characterized in that be provided with Positive Poles and cathode pole on the top cover (3)
Column, the Positive Poles, negative pole pass through respectively be welded to connect anode ear, negative electrode lug in the core (2) formed it is described
Welding position (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130790.1U CN209088003U (en) | 2018-12-18 | 2018-12-18 | A kind of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822130790.1U CN209088003U (en) | 2018-12-18 | 2018-12-18 | A kind of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088003U true CN209088003U (en) | 2019-07-09 |
Family
ID=67127087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822130790.1U Active CN209088003U (en) | 2018-12-18 | 2018-12-18 | A kind of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3863054A1 (en) | 2020-02-04 | 2021-08-11 | Siemens Healthcare GmbH | Multiple spectral detectors using structured perovskite |
| CN113314802A (en) * | 2021-05-26 | 2021-08-27 | 扬州泽亮太阳能电池科技有限公司 | Graphene nano-film battery |
-
2018
- 2018-12-18 CN CN201822130790.1U patent/CN209088003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3863054A1 (en) | 2020-02-04 | 2021-08-11 | Siemens Healthcare GmbH | Multiple spectral detectors using structured perovskite |
| CN113314802A (en) * | 2021-05-26 | 2021-08-27 | 扬州泽亮太阳能电池科技有限公司 | Graphene nano-film battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 210000 249 Lantian Road, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |