CN116075964A - 泄压装置、电池单体、电池及用电设备 - Google Patents
泄压装置、电池单体、电池及用电设备 Download PDFInfo
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- CN116075964A CN116075964A CN202280005459.3A CN202280005459A CN116075964A CN 116075964 A CN116075964 A CN 116075964A CN 202280005459 A CN202280005459 A CN 202280005459A CN 116075964 A CN116075964 A CN 116075964A
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Classifications
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- H—ELECTRICITY
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- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
- F16K17/403—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint with a fracturing valve member
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- H—ELECTRICITY
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- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
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- 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
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/143—Fireproof; Explosion-proof
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- 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
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- 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
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular cells
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H—ELECTRICITY
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- H—ELECTRICITY
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- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Biophysics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
- Battery Mounting, Suspending (AREA)
- Manufacturing & Machinery (AREA)
Abstract
本申请实施例提供了一种泄压装置、电池单体、电池及用电设备，属于电池技术领域。其中，泄压装置包括泄压部和多级刻痕槽，泄压部在其厚度方向上具有相对的第一表面和第二表面。多级刻痕槽沿第一表面到第二表面的方向依次设置于泄压部，在厚度方向上相邻的两级刻痕槽中，远离第一表面的一级刻痕槽设置于靠近第一表面的一级刻痕槽的底面。这种结构的泄压装置采用多级刻痕槽结构，可以降低每级刻痕槽的成型深度，从而降低在成型每级刻痕槽时泄压部所受到的成型力，降低泄压部产生裂纹的风险，泄压装置不易因泄压部在设置刻痕槽的位置产生裂纹而失效，提高泄压装置的长期可靠性。
Description
PCT国内申请，说明书已公开。
Claims (30)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/115766 WO2023028864A1 (zh) | 2021-08-31 | 2021-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CNPCT/CN2021/115766 | 2021-08-31 | ||
| PCT/CN2022/116298 WO2023030404A1 (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116075964A true CN116075964A (zh) | 2023-05-05 |
Family
ID=85029951
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180066181.6A Pending CN116438702A (zh) | 2021-08-31 | 2021-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202280009602.6A Pending CN116711134A (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202222326423.5U Active CN218769952U (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202222314334.9U Active CN218414924U (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202222314407.4U Active CN218414925U (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202280010076.5A Pending CN116783763A (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202280005459.3A Pending CN116075964A (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180066181.6A Pending CN116438702A (zh) | 2021-08-31 | 2021-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202280009602.6A Pending CN116711134A (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202222326423.5U Active CN218769952U (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202222314334.9U Active CN218414924U (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202222314407.4U Active CN218414925U (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
| CN202280010076.5A Pending CN116783763A (zh) | 2021-08-31 | 2022-08-31 | 泄压装置、电池单体、电池及用电设备 |
Country Status (7)
| Country | Link |
|---|---|
| US (4) | US20230223644A1 (zh) |
| EP (4) | EP4167368A4 (zh) |
| JP (3) | JP2023549795A (zh) |
| KR (4) | KR20230035342A (zh) |
| CN (7) | CN116438702A (zh) |
| CA (1) | CA3183528A1 (zh) |
| WO (4) | WO2023028864A1 (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023028864A1 (zh) * | 2021-08-31 | 2023-03-09 | 宁德时代新能源科技股份有限公司 | 泄压装置、电池单体、电池及用电设备 |
| CN116207434B (zh) * | 2023-05-06 | 2024-02-20 | 宁德时代新能源科技股份有限公司 | 泄压部件、电池单体、电池及用电装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016157570A (ja) * | 2015-02-24 | 2016-09-01 | 東芝照明プレシジョン株式会社 | 封口板、封口板の製造方法、及び、密閉型電池 |
| US20200328399A1 (en) * | 2017-12-13 | 2020-10-15 | Byd Company Limited | Battery cover plate assembly, cell, battery module, power battery, and electric vehicle |
| CN213340640U (zh) * | 2020-11-09 | 2021-06-01 | 宁德时代新能源科技股份有限公司 | 端盖组件、电池单体、电池以及用电装置 |
| CN218414924U (zh) * | 2021-08-31 | 2023-01-31 | 宁德时代新能源科技股份有限公司 | 泄压装置、电池单体、电池及用电设备 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4386139B1 (ja) * | 2008-08-20 | 2009-12-16 | トヨタ自動車株式会社 | 電池 |
| JP5876794B2 (ja) * | 2012-09-04 | 2016-03-02 | 小島プレス工業株式会社 | 二次電池用ケース及び二次電池 |
| US20160079578A1 (en) * | 2014-09-12 | 2016-03-17 | Johnson Controls Technology Company | Hinged vent for electrochemical cell system and method |
| CN207134411U (zh) * | 2017-08-16 | 2018-03-23 | 深圳市瑞德丰精密制造有限公司 | 爆破片 |
| JP7025861B2 (ja) * | 2017-08-22 | 2022-02-25 | 大和製罐株式会社 | 封口板 |
| CN111446388A (zh) * | 2020-04-20 | 2020-07-24 | 欣旺达电动汽车电池有限公司 | 一种电池顶盖组件及单体电池 |
| CN212136523U (zh) * | 2020-05-25 | 2020-12-11 | 上海比耐信息科技有限公司 | 一种高安全的大容量电池 |
| CN212461953U (zh) * | 2020-07-08 | 2021-02-02 | 惠州比亚迪电池有限公司 | 防爆片、防爆阀和电池 |
| CN213546511U (zh) * | 2020-11-17 | 2021-06-25 | 上海兰钧新能源科技有限公司 | 一种电池防爆阀、电池盖板及电池 |
| CN215989101U (zh) * | 2021-08-31 | 2022-03-08 | 宁德时代新能源科技股份有限公司 | 泄压装置、电池单体、电池及用电设备 |
| CN215989102U (zh) * | 2021-08-31 | 2022-03-08 | 宁德时代新能源科技股份有限公司 | 泄压装置、电池单体、电池及用电设备 |
| CN114447514A (zh) * | 2021-09-29 | 2022-05-06 | 上海砚泽智能科技有限公司 | 一种新能源防爆电池壳及其生产工艺 |
| CN217182358U (zh) * | 2022-03-14 | 2022-08-12 | 宁德时代新能源科技股份有限公司 | 壳体、电池单体、电池及用电设备 |
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2021
- 2021-08-31 WO PCT/CN2021/115766 patent/WO2023028864A1/zh unknown
- 2021-08-31 CN CN202180066181.6A patent/CN116438702A/zh active Pending
- 2021-08-31 KR KR1020237003696A patent/KR20230035342A/ko unknown
- 2021-08-31 EP EP21948694.1A patent/EP4167368A4/en active Pending
- 2021-08-31 CA CA3183528A patent/CA3183528A1/en active Pending
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2022
- 2022-08-31 JP JP2023528257A patent/JP2023549795A/ja active Pending
- 2022-08-31 WO PCT/CN2022/116275 patent/WO2023030399A1/zh active Application Filing
- 2022-08-31 CN CN202280009602.6A patent/CN116711134A/zh active Pending
- 2022-08-31 JP JP2023530008A patent/JP2023549907A/ja active Pending
- 2022-08-31 EP EP22863540.5A patent/EP4287380A1/en active Pending
- 2022-08-31 EP EP22863534.8A patent/EP4340112A1/en active Pending
- 2022-08-31 JP JP2023530006A patent/JP2023549906A/ja active Pending
- 2022-08-31 WO PCT/CN2022/116299 patent/WO2023030405A1/zh active Application Filing
- 2022-08-31 KR KR1020237016596A patent/KR20230088468A/ko unknown
- 2022-08-31 CN CN202222326423.5U patent/CN218769952U/zh active Active
- 2022-08-31 CN CN202222314334.9U patent/CN218414924U/zh active Active
- 2022-08-31 CN CN202222314407.4U patent/CN218414925U/zh active Active
- 2022-08-31 KR KR1020237016558A patent/KR20230088460A/ko unknown
- 2022-08-31 CN CN202280010076.5A patent/CN116783763A/zh active Pending
- 2022-08-31 CN CN202280005459.3A patent/CN116075964A/zh active Pending
- 2022-08-31 EP EP22863539.7A patent/EP4239777A1/en active Pending
- 2022-08-31 KR KR1020237015526A patent/KR20230084541A/ko unknown
- 2022-08-31 WO PCT/CN2022/116298 patent/WO2023030404A1/zh active Application Filing
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2023
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2024
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016157570A (ja) * | 2015-02-24 | 2016-09-01 | 東芝照明プレシジョン株式会社 | 封口板、封口板の製造方法、及び、密閉型電池 |
| US20200328399A1 (en) * | 2017-12-13 | 2020-10-15 | Byd Company Limited | Battery cover plate assembly, cell, battery module, power battery, and electric vehicle |
| CN213340640U (zh) * | 2020-11-09 | 2021-06-01 | 宁德时代新能源科技股份有限公司 | 端盖组件、电池单体、电池以及用电装置 |
| CN218414924U (zh) * | 2021-08-31 | 2023-01-31 | 宁德时代新能源科技股份有限公司 | 泄压装置、电池单体、电池及用电设备 |
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| CN218414924U (zh) | 2023-01-31 |
| WO2023030399A1 (zh) | 2023-03-09 |
| US20230327275A1 (en) | 2023-10-12 |
| CN116783763A (zh) | 2023-09-19 |
| US20240154240A1 (en) | 2024-05-09 |
| KR20230084541A (ko) | 2023-06-13 |
| KR20230088468A (ko) | 2023-06-19 |
| WO2023030404A1 (zh) | 2023-03-09 |
| EP4287380A1 (en) | 2023-12-06 |
| CN116711134A (zh) | 2023-09-05 |
| US20230420793A1 (en) | 2023-12-28 |
| WO2023028864A1 (zh) | 2023-03-09 |
| CA3183528A1 (en) | 2023-02-28 |
| WO2023030405A1 (zh) | 2023-03-09 |
| EP4239777A1 (en) | 2023-09-06 |
| US20230223644A1 (en) | 2023-07-13 |
| KR20230088460A (ko) | 2023-06-19 |
| JP2023549906A (ja) | 2023-11-29 |
| JP2023549795A (ja) | 2023-11-29 |
| KR20230035342A (ko) | 2023-03-13 |
| EP4167368A4 (en) | 2024-05-15 |
| CN218769952U (zh) | 2023-03-28 |
| JP2023549907A (ja) | 2023-11-29 |
| CN218414925U (zh) | 2023-01-31 |
| CN116438702A (zh) | 2023-07-14 |
| JP2023542593A (ja) | 2023-10-11 |
| EP4167368A1 (en) | 2023-04-19 |
| EP4340112A1 (en) | 2024-03-20 |
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