CN109792009A - 二次电池 - Google Patents
二次电池 Download PDFInfo
- Publication number
- CN109792009A CN109792009A CN201680088937.6A CN201680088937A CN109792009A CN 109792009 A CN109792009 A CN 109792009A CN 201680088937 A CN201680088937 A CN 201680088937A CN 109792009 A CN109792009 A CN 109792009A
- Authority
- CN
- China
- Prior art keywords
- terminal
- pole piece
- secondary cell
- contact chip
- coping plate
- 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.)
- Granted
Links
- 230000010485 coping Effects 0.000 claims abstract description 91
- 238000004891 communication Methods 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 49
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 210000004027 cell Anatomy 0.000 description 52
- 230000035945 sensitivity Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 210000003168 insulating cell Anatomy 0.000 description 4
- 230000001535 kindling effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
一种二次电池，包括：电极组件(31)、第一端子(11)、第二端子(21)以及顶盖片(41)，所述电极组件(31)包括第一极片、第二极片以及设置在所述第一极片与所述第二极片之间的隔板，所述第一端子(11)与所述第一极片电连接，所述第二端子(21)与所述第二极片电连接，所述第一端子(11)和第二端子(21)中的至少一者与所述顶盖片(41)绝缘设置；所述二次电池还包括：附接于所述第一端子(11)上的接触片(12)，和电连接到所述第二端子(21)的导电片(22)，当所述二次电池的内部压力超过基准压力时，所述接触片(12)在内部压力的作用下动作并与所述导电片(22)接触，以形成通过所述第一极片、所述第一端子(11)、所述接触片(12)、所述导电片(22)、所述第二端子(21)以及所述第二极片的电连接路径。该方案提高了二次电池的安全性。
Description
PCT国内申请，说明书已公开。
Claims (17)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/105864 WO2018090178A1 (zh) | 2016-11-15 | 2016-11-15 | 二次电池 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109792009A true CN109792009A (zh) | 2019-05-21 |
| CN109792009B CN109792009B (zh) | 2022-01-21 |
Family
ID=62145962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680088937.6A Active CN109792009B (zh) | 2016-11-15 | 2016-11-15 | 二次电池 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109792009B (zh) |
| WO (1) | WO2018090178A1 (zh) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950812A (zh) * | 2009-07-09 | 2011-01-19 | Sb锂摩托有限公司 | 可再充电电池 |
| CN102738522A (zh) * | 2011-03-30 | 2012-10-17 | Sb锂摩托有限公司 | 二次电池 |
| CN204668368U (zh) * | 2015-06-11 | 2015-09-23 | 宁德时代新能源科技有限公司 | 动力电池顶盖结构及动力电池 |
| CN105845851A (zh) * | 2016-06-07 | 2016-08-10 | 宁德时代新能源科技股份有限公司 | 动力电池顶盖及其动力电池 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110300414A1 (en) * | 2010-06-07 | 2011-12-08 | Woonseong Baek | Cap assembly and rechargeable battery having the same |
| US9251986B2 (en) * | 2011-07-06 | 2016-02-02 | In Kim | Rechargeable battery |
| DE102013204341A1 (de) * | 2013-03-13 | 2014-09-18 | Robert Bosch Gmbh | Sicherheitselement für Batteriezelle |
| KR20150122518A (ko) * | 2014-04-23 | 2015-11-02 | 삼성에스디아이 주식회사 | 베터리 팩 |
| CN106450052A (zh) * | 2016-11-15 | 2017-02-22 | 宁德时代新能源科技股份有限公司 | 二次电池 |
| CN106410074B (zh) * | 2016-11-15 | 2019-04-05 | 宁德时代新能源科技股份有限公司 | 二次电池 |
-
2016
- 2016-11-15 WO PCT/CN2016/105864 patent/WO2018090178A1/zh active Application Filing
- 2016-11-15 CN CN201680088937.6A patent/CN109792009B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950812A (zh) * | 2009-07-09 | 2011-01-19 | Sb锂摩托有限公司 | 可再充电电池 |
| CN102738522A (zh) * | 2011-03-30 | 2012-10-17 | Sb锂摩托有限公司 | 二次电池 |
| CN204668368U (zh) * | 2015-06-11 | 2015-09-23 | 宁德时代新能源科技有限公司 | 动力电池顶盖结构及动力电池 |
| CN105845851A (zh) * | 2016-06-07 | 2016-08-10 | 宁德时代新能源科技股份有限公司 | 动力电池顶盖及其动力电池 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018090178A1 (zh) | 2018-05-24 |
| CN109792009B (zh) | 2022-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |