CN204651393U - A kind of stacked high-multiplying-power battery pole piece current collector and battery thereof - Google Patents
A kind of stacked high-multiplying-power battery pole piece current collector and battery thereof Download PDFInfo
- Publication number
- CN204651393U CN204651393U CN201520216926.4U CN201520216926U CN204651393U CN 204651393 U CN204651393 U CN 204651393U CN 201520216926 U CN201520216926 U CN 201520216926U CN 204651393 U CN204651393 U CN 204651393U
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- Prior art keywords
- pole piece
- collector
- current collector
- battery
- multiplying
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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
Abstract
The utility model relates to technical field of lithium ion, specifically discloses a kind of stacked high-multiplying-power battery pole piece current collector and battery thereof; The utility model comprises a kind of laminated battery plate pole piece current collector, comprises the collector body of carrying battery positive and negative powder, and to be extended out the empty paper tinsel of collector link with lug by collector body, and described collector sky paper tinsel is equipped with paraffin; The utility model not only can effective automatic heat radiation, and avoid heat produced thus simultaneously and be delivered between barrier film by collector, barrier film heat shrinkable positive/negative plate is connected to form short circuit, and battery core air expansion drum shell causes to be scrapped.
Description
Technical field
The utility model relates to technical field of lithium ion, especially a kind of stacked high-multiplying-power battery pole piece current collector and battery thereof.
Background technology
Stack without any protection between existing stacked high-multiplying-power battery every layer; it stacks the outside lug internal resistance of rear switching and becomes large; collector gathers heat radiation; heat produced thus is delivered between barrier film by collector; barrier film heat shrinkable positive/negative plate is connected to form short circuit, and battery core air expansion drum shell causes to be scrapped.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide one can effective automatic heat radiation, prevents collector and the laminated batteries thereof of barrier film air expansion drum shell simultaneously.
To achieve these goals, the utility model adopts following technical scheme:
A kind of laminated battery plate pole piece current collector, comprises the collector body of the positive and negative powder of carrying battery, and to be extended out the empty paper tinsel of collector link with lug by collector body, described collector sky paper tinsel is equipped with the mixture of hydro carbons.Wherein, the mixture of hydro carbons can be laid in the whole region of the empty paper tinsel of collector, also can according to actual needs, be laid in the subregion of the empty paper tinsel of collector.What carry anode powder is also battery core anode pole piece, and what carry battery cathode powder is also battery core cathode pole piece, the electrical connection of described both positive and negative polarity pole piece current collector.
Preferably, the mixture of described hydro carbons is laid on described laminated battery plate pole piece current collector and stacks in process between the empty paper tinsel of every layer of collector.Adopt this structure not only can promote both positive and negative polarity pole piece pole collector bending toughness, but also effectively reduce both positive and negative polarity pole piece with regard to fluid immobilization.Preferably, the mixture of described hydro carbons is also provided with between every layer of both positive and negative polarity pole piece current collector; There is overlay region in described both positive and negative polarity pole piece current collector overlapping part, described paraffin powder spreads between the thin film sandwich of the mounted on top being clipped in every layer of both positive and negative polarity pole piece current collector.The mixture of hydro carbons can be laid in the whole region of collector body size, also can according to actual needs, be laid in the subregion of collector body size.
Preferably, the mixture of described hydro carbons is powder paraffin or scale paraffin.The paraffin of shape can disperse the empty paper tinsel region of both positive and negative polarity pole piece current collector effectively, and can make finally fixed-type, faster stacking makes to have better endothermic effect.
A kind of laminated battery plate, comprises both positive and negative polarity powder, aluminium nickel lug; Further comprises described laminated battery plate pole piece current collector; Wherein, described aluminium nickel lug and the empty paper tinsel link ends of collector are also provided with laser solder joint.
The utility model stacks in both positive and negative polarity pole piece current collector and carries out place mat by paraffin powder or scale paraffin in process and stack in parallel formation.When this both positive and negative polarity pole piece current collector because high magnification electric current is excessive by interlayer paraffin or scale paraffin, due to paraffin powder or scale paraffin heat fusing heat absorption, finally reach absorption both positive and negative polarity pole piece current collector temperature, when temperature reduces process.Paraffin freezes, and can repeat protection and play heat absorption, protects and causes the effect of diaphragm retracts because the excessive generation higher heat of electric current causes positive and negative electrode pole piece to conduct heat.
Accompanying drawing explanation
Fig. 1 is the sectional view of laminated battery plate pole piece current collector in the utility model;
Fig. 2 is another structure side cutaway view of laminated battery plate pole piece current collector in the utility model;
Fig. 3 is battery structure vertical view in the utility model.
Embodiment
Below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
A kind of laminated battery plate pole piece current collector, is shown in Fig. 1,2 and Fig. 3, comprises the collector body 21 of the positive and negative powder 3 of carrying battery, and to be extended out the empty paper tinsel 22 of collector linked with lug 5 by these 21 bodies of collector, and the empty paper tinsel 22 of described collector is equipped with paraffin 4.When cell heat is through lug 5 laser solder joint 51, paraffin powder 4 can absorb fusing because of self-characteristic heat, maximumly reaches the heat reducing and to be imported into pole piece by both positive and negative polarity pole piece current collector 2, further heat diffusion; After the heat absorbed declines, paraffin powder 4 is met and coldly can be recovered solid again, can play cooling effect repeatedly.
The utility model also provides a kind of stacked high-multiplying-power battery structure, see Fig. 3, it comprises this 21 (being also battery core pole piece) of collector and draws place mat paraffin 4 or scale paraffin 4 in empty paper tinsel 22 region, this kind of stacked high-multiplying-power battery have employed above-mentioned stacked high-multiplying-power battery structure.The empty paper tinsel 22 of both positive and negative polarity pole piece current collector is connected by place mat paraffin 4 and scale paraffin 4.
Thus, use the stacked high-multiplying-power battery of this technology once the larger heat of electric current of process higher time, heat passes through aluminium nickel lug 5 through empty paper tinsel 22 region process of both positive and negative polarity pole piece current collector, paraffin 4 is owing to can absorb fusing because of self-characteristic heat, maximumly reach the heat reducing and to be imported into pole piece by battery core pole piece 2, further heat diffusion object, and then avoid the lithium battery isolation membrane 1 being delivered to both positive and negative polarity pole piece interlayer by higher heat, thus the connection of barrier film higher heat contraction both positive and negative polarity pole piece causes short circuit battery thus inflatable, drum shell, danger on fire.This stacked high magnification type of cooling improves further, improves cooling performance and the security performance of stacked high-multiplying-power battery.
As an embodiment, it is not only comprised the above results and also comprises aluminium nickel lug in aluminium nickel lug 5, laser solder joint 51, stacked high-multiplying-power battery structure and be connected by laser solder joint and the empty paper tinsel of both positive and negative polarity pole piece current collector.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (5)
1. a stacked high-multiplying-power battery pole piece current collector, comprises the collector body of carrying battery positive and negative powder, and to be extended out the empty paper tinsel of collector link with lug by collector body, it is characterized in that, described collector sky paper tinsel is equipped with the mixture of hydro carbons.
2. stacked high-multiplying-power battery pole piece current collector as claimed in claim 1, is characterized in that: the mixture of described hydro carbons is laid on described laminated battery plate pole piece current collector and stacks in process between every layer of empty paper tinsel of collector.
3. stacked high-multiplying-power battery pole piece current collector as claimed in claim 2, is characterized in that: the mixture being also equipped with described hydro carbons between described every layer of both positive and negative polarity pole piece current collector.
4. as the stacked high-multiplying-power battery pole piece current collector in claim 1,2 or 3 as described in any one, it is characterized in that: the mixture of described hydro carbons is powder paraffin or scale paraffin.
5. a stacked high-multiplying-power battery, comprises both positive and negative polarity powder, aluminium nickel lug; It is characterized in that: further comprises the laminated battery plate pole piece current collector in claim 1-4 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216926.4U CN204651393U (en) | 2015-04-10 | 2015-04-10 | A kind of stacked high-multiplying-power battery pole piece current collector and battery thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216926.4U CN204651393U (en) | 2015-04-10 | 2015-04-10 | A kind of stacked high-multiplying-power battery pole piece current collector and battery thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204651393U true CN204651393U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520216926.4U Expired - Fee Related CN204651393U (en) | 2015-04-10 | 2015-04-10 | A kind of stacked high-multiplying-power battery pole piece current collector and battery thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204651393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654139A (en) * | 2017-01-03 | 2017-05-10 | 曙鹏科技（深圳）有限公司 | Tab and electrode piece adapter coupling structure, battery cell and manufacturing method thereof |
| WO2019001470A1 (en) * | 2017-06-28 | 2019-01-03 | 湖南妙盛汽车电源有限公司 | Lithium ion power battery |
| CN111816840A (en) * | 2019-04-11 | 2020-10-23 | 宁德时代新能源科技股份有限公司 | Lithium supplement layer, negative pole piece thereof and lithium ion battery |
-
2015
- 2015-04-10 CN CN201520216926.4U patent/CN204651393U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654139A (en) * | 2017-01-03 | 2017-05-10 | 曙鹏科技（深圳）有限公司 | Tab and electrode piece adapter coupling structure, battery cell and manufacturing method thereof |
| WO2019001470A1 (en) * | 2017-06-28 | 2019-01-03 | 湖南妙盛汽车电源有限公司 | Lithium ion power battery |
| CN111816840A (en) * | 2019-04-11 | 2020-10-23 | 宁德时代新能源科技股份有限公司 | Lithium supplement layer, negative pole piece thereof and lithium ion battery |
| US11777085B2 (en) | 2019-04-11 | 2023-10-03 | Contemporary Amperex Technology Co., Limited | Lithium-supplement layer and its negative electrode sheet, lithium ion battery and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20190410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |