JPWO2012111752A1 - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JPWO2012111752A1 JPWO2012111752A1 JP2012558010A JP2012558010A JPWO2012111752A1 JP WO2012111752 A1 JPWO2012111752 A1 JP WO2012111752A1 JP 2012558010 A JP2012558010 A JP 2012558010A JP 2012558010 A JP2012558010 A JP 2012558010A JP WO2012111752 A1 JPWO2012111752 A1 JP WO2012111752A1
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- 238000005192 partition Methods 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 239000003792 electrolyte Substances 0.000 claims abstract description 8
- 239000007773 negative electrode material Substances 0.000 claims abstract description 7
- 239000007774 positive electrode material Substances 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 description 13
- 230000008961 swelling Effects 0.000 description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 229910001416 lithium ion Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000010248 power generation Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- -1 nickel metal hydride Chemical class 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 4
- 229910052987 metal hydride Inorganic materials 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/112—Monobloc comprising multiple compartments
-
- 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
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
本発明の目的の一つは、電池内圧上昇に対して電池缶の膨らみを効果的に抑制すると共に、電池缶内部の極板で発生する熱を効果的に外部に伝え、体積エネルギー密度が高い大容量の電池を提供することにある。
図1は本発明の一実施形態を示す二次電池の一部切り欠き斜視図であり、図2は図1の二次電池の概略平面断面図であり、図3は図1の二次電池の概略側面断面図である。図2および図3では本発明に係る積層体2と電池缶1との配置を示し、積層体のタブや蓋や通電部品等は省略している。図示しているのは、電池容量210Ahの積層型リチウムイオン二次電池である。積層体2が電池缶1に収納され、積層体2はタブ3を介して外部端子4と電気的に接続されている。外部端子4はナットなどの締結部品5で蓋板8に固定されている。また、蓋板8には電解液を注入する注入孔を封止した注入孔栓6や、過充電などの非定常時に、電池缶1の内圧を開放するための安全弁7が配置されている。
図4は本発明の一実施形態を示す二次電池の概略平面断面図である。図5は図4の概略側面断面図である。積層体2が4群からなる280Ah積層型リチウムイオン二次電池である。積層体2の1つの群の容量は70Ahである。電池缶1の外形寸法は、幅Wは130mm、奥行Dは205mm、高さHは220mmである。電池缶1はステンレス鋼からなる外周体11と複数の仕切り板9から構成されている。仕切り板9は、外周体11に溶接で固着されている。図5に示すように、電池缶1の外周体11よりも仕切り板9の高さを低くすると共に、電池缶1の外周体11の底面11aと仕切り板9とは接しておらず、電解液が積層体2の各群の間を自由に行き来できる構造となっている。
積エネルギー密度が高い大容量の電池を提供することにある。
課題を解決するための手段
[0016]
一つの手段として、表面に負極活物質層が形成された金属集電体と、電解質を保持するセパレータと、表面に正極活物質層が形成された他の金属集電体とを短冊形状に交互に配置した積層体を有底の金属製電池缶に密閉した角型二次電池であって、電池缶に複数収納された積層体間のうちの少なくとも一つに、積層体の幅広面に対向して電池缶の内部空間を分割する仕切り板が形成されている構成とした角型二次電池とする。
[0017]
その際、積層体の幅広面に対向した電池缶の外壁と仕切り板との合計の厚みが、積層体の平面方向の電池缶の外壁の合計の厚みよりも大きくなるように構成することが好ましい。
[0018]
また、電池缶の仕切り板の板厚が電池缶の外壁の板厚よりも大きくなるように構成することも好ましい。
[0019]
さらに、仕切り板には、仕切り板の表裏を貫通する開口部が形成されていると、より好ましい。
発明の効果
[0020]
本発明によれば、充放電によって積層体電極群が膨張した場合であっても、電池缶が外方向へ膨らむ際の電池缶側面の変形を抑制し、且つ、積層体からの発熱を効果的に放熱できる、サイクル特性や信頼性が高く、大容量でエネルギー密度が高い二次電池を提供できる。
図面の簡単な説明
[0021]
[図1]本発明の一実施例を説明する電池の一部切り欠き斜視図である。
[図2]本発明の一実施例を説明する電池の概略平面断面図である。
[図3]本発明の一実施例を説明する電池の概略側面断面図である。
[図4]本発明の一実施例を説明する電池の概略平面断面図である。
[図5]本発明の一実施例を説明する電池の概略平面断面図である。
[図6]本発明の一実施例を説明する仕切り板の模式図である。
Claims (4)
- 表面に負極活物質層が形成された第1の金属集電体と、電解質を保持するセパレータと、表面に正極活物質層が形成された第2の金属集電体とを短冊形状に形成し、前記第1の金属集電体と前記セパレータと前記第2の金属集電体とを交互に配置した積層体を有底の電池缶に密閉した二次電池であって、
前記電池缶に複数収納された前記積層体間のうちの少なくとも一つに、前記積層体の幅広面に対向して前記電池缶の内部空間を分割する仕切り板が形成されていることを特徴とする二次電池。 - 前記積層体の幅広面に対向した前記電池缶の外壁と仕切り板との合計の厚みが、前記積層体の平面方向の合計の厚みよりも大きいことを特徴とする請求項1に記載の二次電池。
- 前記電池缶の仕切り板の板厚が前記電池缶の外壁の板厚よりも大きいことを特徴とする請求項1に記載の二次電池。
- 前記仕切り板には、仕切り板の表裏を貫通する開口部が形成されていることを特徴とする請求項1に記載の二次電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012558010A JP5617940B2 (ja) | 2011-02-18 | 2012-02-16 | 角型リチウムイオン二次電池 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011033309 | 2011-02-18 | ||
JP2011033309 | 2011-02-18 | ||
JP2012558010A JP5617940B2 (ja) | 2011-02-18 | 2012-02-16 | 角型リチウムイオン二次電池 |
PCT/JP2012/053668 WO2012111752A1 (ja) | 2011-02-18 | 2012-02-16 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012111752A1 true JPWO2012111752A1 (ja) | 2014-07-07 |
JP5617940B2 JP5617940B2 (ja) | 2014-11-05 |
Family
ID=46672664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012558010A Expired - Fee Related JP5617940B2 (ja) | 2011-02-18 | 2012-02-16 | 角型リチウムイオン二次電池 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130323573A1 (ja) |
EP (1) | EP2677587A4 (ja) |
JP (1) | JP5617940B2 (ja) |
KR (1) | KR101530803B1 (ja) |
CN (1) | CN103718366A (ja) |
WO (1) | WO2012111752A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9685644B2 (en) * | 2012-10-11 | 2017-06-20 | Cadenza Innovation, Inc. | Lithium ion battery |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102421419B1 (ko) * | 2015-06-29 | 2022-07-15 | 삼성에스디아이 주식회사 | 이차 전지 |
US11296370B2 (en) * | 2015-12-03 | 2022-04-05 | Eaglepicher Technologies, Llc | Battery having high thermal conductivity case |
KR102553087B1 (ko) * | 2015-12-21 | 2023-07-06 | 에스케이온 주식회사 | 리튬 이차 전지 |
US10686166B2 (en) * | 2016-02-05 | 2020-06-16 | Ford Global Technologies, Llc | Multiple cell integrated casings |
JP7020034B2 (ja) * | 2017-09-29 | 2022-02-16 | 株式会社Gsユアサ | 蓄電素子 |
KR102643505B1 (ko) | 2017-12-12 | 2024-03-04 | 삼성전자주식회사 | 전지 케이스, 전지, 및 전지의 제조 방법 |
KR102591366B1 (ko) * | 2018-03-09 | 2023-10-18 | 삼성전자주식회사 | 전지 케이스, 전지, 및 전지의 제조 방법 |
JP7509748B2 (ja) * | 2019-03-15 | 2024-07-02 | Tdk株式会社 | 全固体二次電池 |
CN114421063A (zh) * | 2021-12-31 | 2022-04-29 | 陕西奥林波斯电力能源有限责任公司 | 一种叠片电池用耐压壳以及使用该耐压壳的大容量锂离子电池 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07282841A (ja) * | 1994-04-05 | 1995-10-27 | Mitsubishi Chem Corp | リチウムイオン二次電池 |
KR100751310B1 (ko) * | 2001-09-24 | 2007-08-22 | 삼성에스디아이 주식회사 | 캡 조립체 및, 그것을 구비한 각형 2 차 전지 |
JP4362321B2 (ja) * | 2003-06-13 | 2009-11-11 | パナソニック株式会社 | 組電池 |
US7547487B1 (en) * | 2004-05-18 | 2009-06-16 | Ovonic Battery Company, Inc. | Multi-cell battery assembly |
-
2012
- 2012-02-16 US US13/981,177 patent/US20130323573A1/en not_active Abandoned
- 2012-02-16 WO PCT/JP2012/053668 patent/WO2012111752A1/ja active Application Filing
- 2012-02-16 EP EP12746900.5A patent/EP2677587A4/en not_active Withdrawn
- 2012-02-16 CN CN201280007783.5A patent/CN103718366A/zh active Pending
- 2012-02-16 KR KR1020137024357A patent/KR101530803B1/ko not_active IP Right Cessation
- 2012-02-16 JP JP2012558010A patent/JP5617940B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9685644B2 (en) * | 2012-10-11 | 2017-06-20 | Cadenza Innovation, Inc. | Lithium ion battery |
Also Published As
Publication number | Publication date |
---|---|
JP5617940B2 (ja) | 2014-11-05 |
EP2677587A4 (en) | 2014-11-26 |
KR20130123445A (ko) | 2013-11-12 |
KR101530803B1 (ko) | 2015-06-22 |
CN103718366A (zh) | 2014-04-09 |
WO2012111752A1 (ja) | 2012-08-23 |
US20130323573A1 (en) | 2013-12-05 |
EP2677587A1 (en) | 2013-12-25 |
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