JP7241571B2 - 封口体 - Google Patents
封口体 Download PDFInfo
- Publication number
- JP7241571B2 JP7241571B2 JP2019041349A JP2019041349A JP7241571B2 JP 7241571 B2 JP7241571 B2 JP 7241571B2 JP 2019041349 A JP2019041349 A JP 2019041349A JP 2019041349 A JP2019041349 A JP 2019041349A JP 7241571 B2 JP7241571 B2 JP 7241571B2
- Authority
- JP
- Japan
- Prior art keywords
- cap
- ptc
- protective element
- layered
- sealing body
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims description 53
- 230000001681 protective effect Effects 0.000 claims description 63
- 229910052751 metal Inorganic materials 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 52
- 239000000565 sealant Substances 0.000 claims description 33
- 229920005989 resin Polymers 0.000 claims description 21
- 239000011347 resin Substances 0.000 claims description 21
- 230000001012 protector Effects 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- -1 polyethylene Polymers 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 239000002033 PVDF binder Substances 0.000 claims description 10
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000002788 crimping Methods 0.000 claims description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 description 33
- 239000000956 alloy Substances 0.000 description 33
- 230000000052 comparative effect Effects 0.000 description 12
- 229910052718 tin Inorganic materials 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 229910016334 Bi—In Inorganic materials 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 229910017944 Ag—Cu Inorganic materials 0.000 description 3
- 229910001152 Bi alloy Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000011231 conductive filler Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
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- 238000003466 welding Methods 0.000 description 3
- 229910000521 B alloy Inorganic materials 0.000 description 2
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- 229910002440 Co–Ni Inorganic materials 0.000 description 2
- 229910017932 Cu—Sb Inorganic materials 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 229910000927 Ge alloy Inorganic materials 0.000 description 2
- 229910017709 Ni Co Inorganic materials 0.000 description 2
- 229910003267 Ni-Co Inorganic materials 0.000 description 2
- 229910018104 Ni-P Inorganic materials 0.000 description 2
- 229910003262 Ni‐Co Inorganic materials 0.000 description 2
- 229910018536 Ni—P Inorganic materials 0.000 description 2
- 229910020836 Sn-Ag Inorganic materials 0.000 description 2
- 229910020830 Sn-Bi Inorganic materials 0.000 description 2
- 229910020888 Sn-Cu Inorganic materials 0.000 description 2
- 229910020935 Sn-Sb Inorganic materials 0.000 description 2
- 229910020994 Sn-Zn Inorganic materials 0.000 description 2
- 229910020988 Sn—Ag Inorganic materials 0.000 description 2
- 229910018728 Sn—Bi Inorganic materials 0.000 description 2
- 229910019204 Sn—Cu Inorganic materials 0.000 description 2
- 229910008757 Sn—Sb Inorganic materials 0.000 description 2
- 229910009069 Sn—Zn Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910002482 Cu–Ni Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910020882 Sn-Cu-Ni Inorganic materials 0.000 description 1
- 229910020900 Sn-Fe Inorganic materials 0.000 description 1
- 229910019343 Sn—Cu—Sb Inorganic materials 0.000 description 1
- 229910019314 Sn—Fe Inorganic materials 0.000 description 1
- 229910018956 Sn—In Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 229910007567 Zn-Ni Inorganic materials 0.000 description 1
- 229910007614 Zn—Ni Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
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
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/155—Lids or covers characterised by the material
-
- 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
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- 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
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/30—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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/103—Fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/106—PTC
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019041349A JP7241571B2 (ja) | 2019-03-07 | 2019-03-07 | 封口体 |
KR1020200027590A KR20200107839A (ko) | 2019-03-07 | 2020-03-05 | 봉구체 |
CN202010157727.6A CN111740045B (zh) | 2019-03-07 | 2020-03-09 | 封口体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019041349A JP7241571B2 (ja) | 2019-03-07 | 2019-03-07 | 封口体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020145088A JP2020145088A (ja) | 2020-09-10 |
JP7241571B2 true JP7241571B2 (ja) | 2023-03-17 |
Family
ID=72354421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019041349A Active JP7241571B2 (ja) | 2019-03-07 | 2019-03-07 | 封口体 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP7241571B2 (zh) |
KR (1) | KR20200107839A (zh) |
CN (1) | CN111740045B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113178651B (zh) * | 2021-06-07 | 2021-08-24 | 蜂巢能源科技有限公司 | 电池极柱密封安装结构及其安装方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001160382A (ja) | 1999-12-02 | 2001-06-12 | Sanyo Electric Co Ltd | 電池の封口体 |
WO2012118153A1 (ja) | 2011-03-03 | 2012-09-07 | タイコエレクトロニクスジャパン合同会社 | 保護素子 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08293293A (ja) * | 1995-04-20 | 1996-11-05 | Mitsubishi Cable Ind Ltd | 密閉電池の安全装置 |
JP3732945B2 (ja) | 1998-03-31 | 2006-01-11 | 三洋電機株式会社 | 密閉型電池 |
JP4854208B2 (ja) * | 2005-03-09 | 2012-01-18 | 三洋電機株式会社 | 密閉型電池およびその製造方法 |
JP5116235B2 (ja) * | 2006-01-23 | 2013-01-09 | 三洋電機株式会社 | 密閉型電池 |
JP2008016190A (ja) * | 2006-06-30 | 2008-01-24 | Sanyo Electric Co Ltd | パック電池 |
CN201336324Y (zh) * | 2008-11-10 | 2009-10-28 | 中银(宁波)电池有限公司 | 一种柱式锂电池用封口体 |
JP2012209177A (ja) * | 2011-03-30 | 2012-10-25 | Panasonic Corp | 電池 |
CN105027318A (zh) * | 2013-02-20 | 2015-11-04 | 泰科电子日本合同会社 | 封口体 |
TW201703064A (zh) * | 2015-04-24 | 2017-01-16 | Littelfuse Japan G K | 保護元件 |
KR102486134B1 (ko) * | 2017-05-22 | 2023-01-10 | 주식회사 엘지에너지솔루션 | 고효율성 밀봉을 위한 개스킷 와셔를 포함하는 원통형 전지 |
-
2019
- 2019-03-07 JP JP2019041349A patent/JP7241571B2/ja active Active
-
2020
- 2020-03-05 KR KR1020200027590A patent/KR20200107839A/ko unknown
- 2020-03-09 CN CN202010157727.6A patent/CN111740045B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001160382A (ja) | 1999-12-02 | 2001-06-12 | Sanyo Electric Co Ltd | 電池の封口体 |
WO2012118153A1 (ja) | 2011-03-03 | 2012-09-07 | タイコエレクトロニクスジャパン合同会社 | 保護素子 |
Also Published As
Publication number | Publication date |
---|---|
CN111740045A (zh) | 2020-10-02 |
JP2020145088A (ja) | 2020-09-10 |
CN111740045B (zh) | 2024-02-13 |
KR20200107839A (ko) | 2020-09-16 |
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