JP7054838B2 - 円筒形電池 - Google Patents
円筒形電池 Download PDFInfo
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- JP7054838B2 JP7054838B2 JP2019533994A JP2019533994A JP7054838B2 JP 7054838 B2 JP7054838 B2 JP 7054838B2 JP 2019533994 A JP2019533994 A JP 2019533994A JP 2019533994 A JP2019533994 A JP 2019533994A JP 7054838 B2 JP7054838 B2 JP 7054838B2
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- 229910052751 metal Inorganic materials 0.000 claims description 175
- 239000002184 metal Substances 0.000 claims description 175
- 238000007789 sealing Methods 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 24
- 239000003792 electrolyte Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 description 11
- 210000000078 claw Anatomy 0.000 description 7
- -1 polypropylene Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011255 nonaqueous electrolyte Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000003125 aqueous solvent Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- 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
- 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
- H01M50/183—Sealing members
-
- 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
- H01M50/317—Re-sealable arrangements
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
-
- 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
- H01M50/574—Devices or arrangements for the interruption of current
-
- 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
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
-
- 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
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
-
- 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)
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
前記封口体は、弁体と、前記弁体よりも前記電池の内方側に配置される金属板と、前記弁体と前記金属板との間に介在する環状の絶縁部材と、を備え、前記弁体および前記金属板は、それぞれの中央部において、互いに接続され、前記弁体は、前記電池の内圧上昇時に変形可能な環状の肉薄部を有し、前記絶縁部材は、前記金属板の前記弁体側の表面を覆う部位P1と、前記部位P1に続いて設けられるとともに前記金属板の周端面を覆う部位P2と、前記部位P2に続いて設けられるとともに前記金属板の前記電池の内方側の表面を覆う部位P3と、を有し、前記部位P3は、前記金属板の前記電池の内方側の表面の前記周端面から中心に向かって0.2mm以上の領域を覆うように設けられている、円筒形電池に関する。
以下、図1~5を参照しながら、本発明の一実施形態に係る円筒形電池の一例として、非水電解質二次電池について説明する。図1は、非水電解質二次電池の縦断面図である。図2は、図1の封口体の縦断面図である。図3は、図2の複合体の縦断面図である。図4は、図3の複合体の平面図である。図5は、図3の複合体の背面図である。
以下、本発明の別の実施形態に係る円筒形電池について、図7を参照しながら説明する。図7は、本発明の別の実施形態に係る円筒形電池に用いられる複合体の縦断面図である。本実施形態に係る電池は、図3に示す複合体19(絶縁部材14)の代わりに、図7に示す複合体49(絶縁部材44)を用いる以外は、図1に示す電池10と同じ構成である。
11:封口体
12:弁体
12a:肉薄部
12b:凹部
12c:凸部
12d:突起部
13:金属板
13a:肉薄部
13b:孔
14,34,44,54:絶縁部材
14a:リブ
14b,44b:孔
14c:中空部
15:正極板
15a:正極リード
16:負極板
16a:負極リード
17:セパレータ
18:電極群
19,39,49:複合体
21:ガスケット
22:電池缶
22a:溝部
23:第1絶縁板
24:第2絶縁板
55:爪部
Claims (5)
- 電極群と、電解質と、前記電極群と前記電解質とを収容する電池缶と、前記電池缶の開口を封口する封口体と、を備える円筒形電池であって、
前記封口体は、弁体と、前記弁体よりも前記電池の内方側に配置される金属板と、前記弁体と前記金属板との間に介在する環状の絶縁部材と、を備え、
前記弁体および前記金属板は、それぞれの中央部において、互いに接続され、
前記弁体は、前記電池の内圧上昇時に変形可能な環状の肉薄部を有し、
前記絶縁部材は、前記金属板の前記弁体側の表面を覆う部位P1と、前記部位P1に続いて設けられるとともに前記金属板の周端面を覆う部位P2と、前記部位P2に続いて設けられるとともに前記金属板の前記電池の内方側の表面を覆う部位P3と、を有し、
前記部位P3は、前記金属板の前記電池の内方側の表面の前記周端面から中心に向かって0.2mm以上の領域を覆うように設けられており、
前記金属板および前記絶縁部材は、それぞれ、互いに連通する孔を有し、
前記絶縁部材は、更に、前記部位P1に続いて設けられるとともに、前記金属板の孔の側面を覆う部位P4を有する、円筒形電池。 - 前記絶縁部材は、更に、前記部位P4に続いて設けられるとともに、前記金属板の前記電池の内方側の表面を覆う部位P5を有する、請求項1に記載の円筒形電池。
- 電極群と、電解質と、前記電極群と前記電解質とを収容する電池缶と、前記電池缶の開口を封口する封口体と、を備える円筒形電池であって、
前記封口体は、弁体と、前記弁体よりも前記電池の内方側に配置される金属板と、前記弁体と前記金属板との間に介在する環状の絶縁部材と、を備え、
前記弁体および前記金属板は、それぞれの中央部において、互いに接続され、
前記弁体は、前記電池の内圧上昇時に変形可能な環状の肉薄部を有し、
前記絶縁部材は、前記金属板の前記弁体側の表面を覆う部位P1と、前記部位P1に続いて設けられるとともに前記金属板の周端面を覆う部位P2と、前記部位P2に続いて設けられるとともに前記金属板の前記電池の内方側の表面を覆う部位P3と、を有し、
前記部位P3は、前記金属板の前記電池の内方側の表面の前記周端面から中心に向かって0.2mm以上の領域を覆うように設けられており、
前記肉薄部により前記弁体の前記絶縁部材側に凹部が形成されており、
前記部位P1は、前記凹部内に収容されるリブを有する、円筒形電池。 - 前記部位P1は、前記金属板の孔の一部を覆う領域を有し、
前記リブの少なくとも一部が、前記領域に設けられている、請求項3に記載の円筒形電池。 - 前記絶縁部材は、前記金属板と接着により一体化されている、請求項1~4のいずれか1項に記載の円筒形電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017148260 | 2017-07-31 | ||
JP2017148260 | 2017-07-31 | ||
PCT/JP2018/025524 WO2019026527A1 (ja) | 2017-07-31 | 2018-07-05 | 円筒形電池 |
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JPWO2019026527A1 JPWO2019026527A1 (ja) | 2020-07-30 |
JP7054838B2 true JP7054838B2 (ja) | 2022-04-15 |
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US (1) | US11831032B2 (ja) |
JP (1) | JP7054838B2 (ja) |
CN (1) | CN110945685B (ja) |
WO (1) | WO2019026527A1 (ja) |
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EP4080670A4 (en) * | 2019-12-18 | 2023-08-02 | SANYO Electric Co., Ltd. | CYLINDRICAL BATTERY |
EP4131592A1 (en) * | 2020-03-31 | 2023-02-08 | SANYO Electric Co., Ltd. | Cylindrical battery |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001148240A (ja) | 1999-11-22 | 2001-05-29 | Nec Corp | 二次電池およびその製造方法 |
JP2005149862A (ja) | 2003-11-14 | 2005-06-09 | Shin Kobe Electric Mach Co Ltd | 密閉型電池 |
JP2013502048A (ja) | 2010-10-21 | 2013-01-17 | エルジー・ケム・リミテッド | キャップアッセンブリー及びこれを用いた二次電池 |
JP2016186931A (ja) | 2015-07-30 | 2016-10-27 | 三洋電機株式会社 | 円筒形電池 |
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JP3565580B2 (ja) * | 1994-06-24 | 2004-09-15 | Fdk株式会社 | 防爆安全装置を備えた電池とその製造方法 |
KR100551396B1 (ko) * | 2003-10-15 | 2006-02-09 | 삼성에스디아이 주식회사 | 일체형 캡조립체를 갖는 이차전지 및 일체형 캡조립체형성 방법 |
CN101257098B (zh) * | 2007-03-02 | 2012-01-25 | 深圳市比克电池有限公司 | 便于装配的电池封口组件及电池 |
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CN201584441U (zh) | 2009-08-31 | 2010-09-15 | 东莞新能源科技有限公司 | 电池组合盖帽 |
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