CN201994346U - Power battery metal housing - Google Patents
Power battery metal housing Download PDFInfo
- Publication number
- CN201994346U CN201994346U CN2010206563642U CN201020656364U CN201994346U CN 201994346 U CN201994346 U CN 201994346U CN 2010206563642 U CN2010206563642 U CN 2010206563642U CN 201020656364 U CN201020656364 U CN 201020656364U CN 201994346 U CN201994346 U CN 201994346U
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- China
- Prior art keywords
- battery
- fuse
- metal housing
- metal shell
- sheet
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- 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 - Lifetime
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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 power battery, and particularly relates to a power battery metal housing; the power battery metal housing comprises a metal housing, a top cover sheet, an anode pole and a cathode pole respectively in insulated connection with the top cover sheet, and a fuse; one end of the fuse is connected with the top cover sheet of the battery; the top cover sheet is made of metallic material; and the other end of the fuse is connected with the anode pole or the cathode pole. Compared with the prior art, the metal housing has the fuse capable of balancing the voltage difference between the anode and the cathode of the battery and the battery metal housing, thereby efficiently preventing the electrochemical reaction of the battery metal housing and the internal material of an electric core, preventing the electrochemical corrosion of the battery metal housing, and preventing the safety accidents when the battery is in use due to the electrochemical corrosion of the battery housing. When the battery has the accidental short circuit and a large current flows through the battery housing and the poles, the fuse is broken so as to protect the battery from the risk of short circuit.
Description
Technical field
The utility model belongs to the power battery technology field, particularly a kind of electrokinetic cell metal shell that has the anti-electrochemical corrosion protection of metal shell wall electrokinetic cell.
Background technology
Along with the development of modern society and the enhancing of environmental consciousness, low-carbon economy in the ascendant, more and more equipments is selected with the lithium ion battery that can discharge and recharge as power supply, as mobile phone, notebook computer, electric tool, electric automobile or the like, especially electric automobile, it needs jumbo electrokinetic cell (greater than 10AH).And high capacity cell in order to prevent the deformation of battery, adopts metal shell because it has bigger volume usually.There are certain voltage difference in metal shell and battery battery core, make battery metal housing and electric in-core portion material that electrochemical reaction can take place, and to battery metal housing generation electrochemical corrosion, destroy the shell mechanism of battery, allow battery produce potential safety hazard.
The utility model content
The purpose of this utility model is to provide at the deficiencies in the prior art a kind of electrokinetic cell metal shell that has the anti-electrochemical corrosion protection of metal shell wall electrokinetic cell.
To achieve these goals, the utility model adopts following technical scheme:
A kind of electrokinetic cell metal shell, it comprises: metal shell, coping plate and the Positive Poles and the negative pole pole that insulate respectively and be connected with coping plate, also comprise fuse, described fuse one end is connected with the battery cap sheet, coping plate adopts metal material to make usually, and the other end is connected with described Positive Poles or negative pole pole.The utility model has fuse with respect to prior art, fuse one end is connected with the battery cap sheet, the other end is connected with described Positive Poles or negative pole pole, this fusing couples together positive pole or negative pole pole and metal shell, but the voltage difference of balancing battery both positive and negative polarity and battery metal housing. effectively prevent battery metal housing and electric in-core portion material generation electrochemical reaction, prevent battery metal housing generation electrochemical corrosion. guarantee that battery in use can be because of battery container because security incident appear in electrochemical corrosion.When accidental short circuit appears in battery, when big electric current appears in battery container and pole, fuse blows, the protection battery risk that is not short-circuited.
Further improve as the utility model, described metal shell and coping plate are tightly connected.
Further improve as the utility model, described fuse one end welds or rivets or be spirally connected or grip with the battery cap sheet and is connected, guarantee that fuse is connected with the conduction of battery cap sheet, helps the voltage difference of balancing battery both positive and negative polarity and battery metal housing. effectively prevent battery metal housing and electric in-core portion material generation electrochemical reaction.
Further improve as the utility model, the described fuse other end welds or rivets or be spirally connected or grip with described Positive Poles or negative pole pole and is connected, guarantee that fuse is connected with the conduction of Positive Poles or negative pole pole, helps the voltage difference of balancing battery both positive and negative polarity and battery metal housing. effectively prevent battery metal housing and electric in-core portion material generation electrochemical reaction.
Further improve as the utility model, described fuse is a sheet metal, and this fuse need satisfy under big current conditions and can fuse, and the protection battery can be owing to short circuit is burnt.
Further improve as the utility model, described fuse is low-melting copper sheet, aluminium flake, nickel sheet, zinc metal sheet, steel disc or alloy sheet.
Further improve as the utility model, described fuse is a fuse, and this fuse can dispose according to the actual needs, and it not only can be cut off when electric current is excessive.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described, sees accompanying drawing 1.
This is first execution mode of the present utility model: a kind of electrokinetic cell metal shell, it comprises: metal shell 1, coping plate 2 and the Positive Poles 3 that is connected with coping plate 2 insulation, with the negative pole pole 4 that coping plate 2 insulation are connected, described metal shell 1 is tightly connected with coping plate 2.Also comprise fuse 5, this city example adopts low-melting copper sheet as fuse 5, and described fuse 5 one ends are connected with battery cap sheet 2, and present embodiment is welding, and the other end is connected with described Positive Poles 3, and present embodiment is welding.After battery repeatedly uses, there is certain voltage difference in battery metal housing 1 with Positive Poles 3, voltage can pass through the fuse conducting, make the battery metal housing 1 and the voltage difference of Positive Poles 3 reach balance, thereby effectively prevent battery metal housing 1 and electric in-core portion material generation electrochemical reaction, prevent that battery metal housing 1 from electrochemical corrosion taking place, guarantee that battery in use can be because of battery container because security incident appear in electrochemical corrosion.
This is second execution mode of the present utility model: described fuse 5 is low-melting aluminium flake, one end and 2 riveted joints of battery cap sheet, and the other end and 4 riveted joints of described negative pole pole, other is identical with first execution mode, repeats no more here.
This is the 3rd execution mode of the present utility model: described fuse 5 is low-melting nickel sheet, and one end and battery cap sheet 2 are spirally connected, and the other end and described Positive Poles 4 are spirally connected, and other is identical with first execution mode, repeats no more here.
This is the 4th execution mode of the present utility model: described fuse 5 is low-melting nickel sheet, the one end grips with battery cap sheet 2 and is connected, the other end grips with described negative pole pole 4 and is connected, and other is identical with first execution mode, repeats no more here.
This is the 5th execution mode of the present utility model: described fuse 5 is fuse, one end and 2 welding of battery cap sheet, and the other end and 4 welding of described negative pole pole, other is identical with first execution mode, repeats no more here.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the utility model is not limited to also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although used some specific terms in this specification, these terms do not constitute any restriction to the utility model just for convenience of description.
Claims (7)
1. electrokinetic cell metal shell, it comprises: metal shell (1), coping plate (2) and the Positive Poles (3) and the negative pole pole (4) that insulate respectively and be connected with coping plate (2), it is characterized in that: also comprise fuse (5), described fuse (5) one ends are connected with battery cap sheet (2), and the other end is connected with described Positive Poles (3) or negative pole pole (4).
2. a kind of electrokinetic cell metal shell according to claim 1 is characterized in that: described metal shell (1) is tightly connected with coping plate (2).
3. a kind of electrokinetic cell metal shell according to claim 1 is characterized in that: described fuse (5) one ends weld or rivet or be spirally connected or grip with battery cap sheet (2) and are connected.
4. a kind of electrokinetic cell metal shell according to claim 1 is characterized in that: described fuse (5) other end welds or rivets or be spirally connected or grip with described Positive Poles (3) or negative pole pole (4) and is connected.
5. a kind of electrokinetic cell metal shell according to claim 1 is characterized in that: described fuse (5) is a sheet metal.
6. a kind of electrokinetic cell metal shell according to claim 5 is characterized in that: described fuse (5) is low-melting copper sheet, aluminium flake, nickel sheet, zinc metal sheet, steel disc or alloy sheet.
7. a kind of electrokinetic cell metal shell according to claim 1 is characterized in that: described fuse (5) is a fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206563642U CN201994346U (en) | 2010-12-10 | 2010-12-10 | Power battery metal housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206563642U CN201994346U (en) | 2010-12-10 | 2010-12-10 | Power battery metal housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994346U true CN201994346U (en) | 2011-09-28 |
Family
ID=44670825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206563642U Expired - Lifetime CN201994346U (en) | 2010-12-10 | 2010-12-10 | Power battery metal housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994346U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394280A (en) * | 2011-12-05 | 2012-03-28 | 上海航天电源技术有限责任公司 | Aluminum casing lithium ion battery with corrosion resistant protection apparatus |
| EP2793295A3 (en) * | 2013-04-19 | 2014-12-03 | Samsung SDI Co., Ltd. | Rechargeable battery |
| CN104393227A (en) * | 2014-12-10 | 2015-03-04 | 天津力神电池股份有限公司 | Secondary battery |
| CN105529504A (en) * | 2016-03-03 | 2016-04-27 | 合肥国轩高科动力能源有限公司 | Method for repairing lithium ion battery with poor shell voltage |
| CN105576160A (en) * | 2014-10-09 | 2016-05-11 | 东莞新能源科技有限公司 | Power cell and power cell top cover |
| CN107482140A (en) * | 2017-08-11 | 2017-12-15 | 长沙锂安能电子科技有限公司 | Battery cover plate with external double-safety protection device |
| WO2018107436A1 (en) * | 2016-12-15 | 2018-06-21 | 宁德时代新能源科技股份有限公司 | Battery top cap assembly and secondary battery |
| CN108475759A (en) * | 2016-03-23 | 2018-08-31 | 宝马股份公司 | The battery cell of accumulator for electricity |
| CN109428137A (en) * | 2017-08-30 | 2019-03-05 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN112242572A (en) * | 2019-07-16 | 2021-01-19 | 深圳市拓邦锂电池有限公司 | Voltage boosting method for cathode and shell of lithium ion battery with square aluminum shell |
| EP3989356A1 (en) * | 2020-04-30 | 2022-04-27 | CALB Co., Ltd. | Battery, battery module and battery pack |
| WO2023221583A1 (en) * | 2022-05-18 | 2023-11-23 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery and electric device |
-
2010
- 2010-12-10 CN CN2010206563642U patent/CN201994346U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394280B (en) * | 2011-12-05 | 2014-03-19 | 上海航天电源技术有限责任公司 | Aluminum casing lithium ion battery with corrosion resistant protection apparatus |
| CN102394280A (en) * | 2011-12-05 | 2012-03-28 | 上海航天电源技术有限责任公司 | Aluminum casing lithium ion battery with corrosion resistant protection apparatus |
| EP2793295A3 (en) * | 2013-04-19 | 2014-12-03 | Samsung SDI Co., Ltd. | Rechargeable battery |
| CN105576160A (en) * | 2014-10-09 | 2016-05-11 | 东莞新能源科技有限公司 | Power cell and power cell top cover |
| CN104393227A (en) * | 2014-12-10 | 2015-03-04 | 天津力神电池股份有限公司 | Secondary battery |
| CN105529504A (en) * | 2016-03-03 | 2016-04-27 | 合肥国轩高科动力能源有限公司 | Method for repairing lithium ion battery with poor shell voltage |
| US10992012B2 (en) | 2016-03-23 | 2021-04-27 | Bayerische Motoren Werke Aktiengesellschaft | Cell for an electrical energy store |
| CN108475759A (en) * | 2016-03-23 | 2018-08-31 | 宝马股份公司 | The battery cell of accumulator for electricity |
| WO2018107436A1 (en) * | 2016-12-15 | 2018-06-21 | 宁德时代新能源科技股份有限公司 | Battery top cap assembly and secondary battery |
| CN107482140A (en) * | 2017-08-11 | 2017-12-15 | 长沙锂安能电子科技有限公司 | Battery cover plate with external double-safety protection device |
| CN109428137A (en) * | 2017-08-30 | 2019-03-05 | 宁德时代新能源科技股份有限公司 | Secondary battery and battery module |
| CN112242572A (en) * | 2019-07-16 | 2021-01-19 | 深圳市拓邦锂电池有限公司 | Voltage boosting method for cathode and shell of lithium ion battery with square aluminum shell |
| EP3989356A1 (en) * | 2020-04-30 | 2022-04-27 | CALB Co., Ltd. | Battery, battery module and battery pack |
| WO2023221583A1 (en) * | 2022-05-18 | 2023-11-23 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery and electric device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |