JP5408691B2 - 密閉型二次電池 - Google Patents
密閉型二次電池 Download PDFInfo
- Publication number
- JP5408691B2 JP5408691B2 JP2008213831A JP2008213831A JP5408691B2 JP 5408691 B2 JP5408691 B2 JP 5408691B2 JP 2008213831 A JP2008213831 A JP 2008213831A JP 2008213831 A JP2008213831 A JP 2008213831A JP 5408691 B2 JP5408691 B2 JP 5408691B2
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- positive electrode
- metal foil
- secondary battery
- sealed secondary
- 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
- 239000011888 foil Substances 0.000 claims description 99
- 229910052751 metal Inorganic materials 0.000 claims description 86
- 239000002184 metal Substances 0.000 claims description 86
- 239000000203 mixture Substances 0.000 claims description 59
- 230000002093 peripheral effect Effects 0.000 claims description 46
- 238000004804 winding Methods 0.000 claims description 30
- 238000003466 welding Methods 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 45
- 238000012360 testing method Methods 0.000 description 39
- 230000000052 comparative effect Effects 0.000 description 27
- 230000003014 reinforcing effect Effects 0.000 description 24
- 238000005304 joining Methods 0.000 description 21
- 239000000463 material Substances 0.000 description 14
- 230000035882 stress Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 239000002033 PVDF binder Substances 0.000 description 7
- 239000008151 electrolyte solution Substances 0.000 description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229920006267 polyester film Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000005486 organic electrolyte Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 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
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Connection Of Batteries Or Terminals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008213831A JP5408691B2 (ja) | 2008-08-22 | 2008-08-22 | 密閉型二次電池 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008213831A JP5408691B2 (ja) | 2008-08-22 | 2008-08-22 | 密閉型二次電池 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010049967A JP2010049967A (ja) | 2010-03-04 |
| JP2010049967A5 JP2010049967A5 (enrdf_load_stackoverflow) | 2011-10-13 |
| JP5408691B2 true JP5408691B2 (ja) | 2014-02-05 |
Family
ID=42066875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008213831A Active JP5408691B2 (ja) | 2008-08-22 | 2008-08-22 | 密閉型二次電池 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5408691B2 (enrdf_load_stackoverflow) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5105386B2 (ja) * | 2010-09-28 | 2012-12-26 | パナソニック株式会社 | 非水電解質二次電池及びその製造方法 |
| CN103415955A (zh) * | 2012-03-14 | 2013-11-27 | 株式会社日立制作所 | 非水电解液电池 |
| JP6199908B2 (ja) | 2013-01-29 | 2017-09-20 | トヨタ自動車株式会社 | 電池 |
| KR101856821B1 (ko) * | 2015-04-22 | 2018-06-19 | 주식회사 엘지화학 | 외장형 보강부재를 포함하는 파우치형 이차전지 |
| US10147973B2 (en) | 2015-06-09 | 2018-12-04 | Murata Manufacturing Co., Ltd. | Battery, battery pack, electronic device, electric vehicle, electricity storage device, and power system |
| CN105514353B (zh) * | 2015-12-29 | 2018-07-10 | 东莞新能源科技有限公司 | 一种卷绕式软包装锂离子电池 |
| KR102277352B1 (ko) * | 2016-08-24 | 2021-07-14 | 삼성에스디아이 주식회사 | 전극 조립체 및 이를 포함하는 이차 전지 |
| KR102080507B1 (ko) * | 2016-10-06 | 2020-02-24 | 주식회사 엘지화학 | 외부 충격으로부터 단위셀들을 보호하여 단위셀들의 적층 구조와 전극 형태 변형을 최소화할 수 있는 보강부재가 구비된 전극조립체 |
| JP7370808B2 (ja) * | 2019-10-25 | 2023-10-30 | ニチコン株式会社 | 巻回型二次電池およびその製造方法 |
| CN112534606B (zh) * | 2020-03-12 | 2022-05-20 | 宁德新能源科技有限公司 | 电极组件和电池 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05166539A (ja) * | 1991-12-11 | 1993-07-02 | Asahi Chem Ind Co Ltd | 電池の内部構造 |
| JPH11185798A (ja) * | 1997-12-17 | 1999-07-09 | Toray Ind Inc | 非水電解液系二次電池 |
| JP2007080573A (ja) * | 2005-09-12 | 2007-03-29 | Fdk Corp | 非水電解質二次電池 |
-
2008
- 2008-08-22 JP JP2008213831A patent/JP5408691B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010049967A (ja) | 2010-03-04 |
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