JP2010056079A - 扁平型非水電解液二次電池 - Google Patents
扁平型非水電解液二次電池 Download PDFInfo
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- JP2010056079A JP2010056079A JP2009178595A JP2009178595A JP2010056079A JP 2010056079 A JP2010056079 A JP 2010056079A JP 2009178595 A JP2009178595 A JP 2009178595A JP 2009178595 A JP2009178595 A JP 2009178595A JP 2010056079 A JP2010056079 A JP 2010056079A
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- 239000011255 nonaqueous electrolyte Substances 0.000 title claims abstract description 49
- 229920005989 resin Polymers 0.000 claims abstract description 52
- 239000011347 resin Substances 0.000 claims abstract description 52
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011737 fluorine Substances 0.000 claims abstract description 33
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000155 melt Substances 0.000 claims abstract description 7
- 229920001577 copolymer Polymers 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000008595 infiltration Effects 0.000 abstract 1
- 238000001764 infiltration Methods 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 16
- 238000001746 injection moulding Methods 0.000 description 13
- -1 polypropylene Polymers 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012986 chain transfer agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 2
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 150000005827 chlorofluoro hydrocarbons Chemical class 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-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
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- JWZCKIBZGMIRSW-UHFFFAOYSA-N lead lithium Chemical compound [Li].[Pb] JWZCKIBZGMIRSW-UHFFFAOYSA-N 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- UIDWHMKSOZZDAV-UHFFFAOYSA-N lithium tin Chemical compound [Li].[Sn] UIDWHMKSOZZDAV-UHFFFAOYSA-N 0.000 description 1
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000012812 sealant material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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
Abstract
【解決手段】正極と、負極と、セパレータ及び非水電解液を、電池ケース、封口板及びガスケットからなる電池容器に収納した扁平型非水電解液二次電池であって、前記ガスケットの材料が、フッ素含有量が70mol%以上、85mol%以下であり、且つメルトフローレート(MFR)が20g/10min以上、45g/10min以下であるテトラフルオロエチレンパーフルオロアルキルビニルエーテル共重合体(PFA樹脂)からなることを特徴とする。この構成により、機密性を高め、外部からの水分浸入の抑制と耐漏液特性を向上させた、高い信頼性と高いエネルギー密度を併せ持つ扁平型非水電解液二次電池を提供することができる。
【選択図】図1
Description
出成型が最適である。
おいても、ガスケットの表面剥離やガスケットの形状ばらつきを抑制できることを見出した。
オロアルキルビニルエーテルの原料モノマー、重合開始剤、連鎖移動剤、場合によってはその他の添加剤を重合反応機に入れて行う。
なお、フッ素含有量はX線光電子分光装置(ULVAC PHI, Inc.製)を用いて、X線光電子分光法により測定することができる。
る。
環境下での長期間の保存に対して、高いフッ素含有量によって水分浸入を抑制しつつ、ガスケット表面剥離や形状ばらつき、または機械的強度の低下による機密性の低下を招くことなく、高い信頼性を実現できていることが分かる。
素含有量70mol%以上、85mol%以下且つMFR20g/10min以上、45g/10min以下のPFA樹脂を用いた電池A17、A18と、そうで無い電池B33〜B36を比較すると、電池A17、A18は電池B33〜B36より約2倍程度の放電容量の維持と漏液特性の改善は見られるが、最も厚みの薄い部分が0.20mm、0.25mm、0.30mm、0.35mmであるガスケット6を用いた場合に比べ、その効果は小さくなっていることが分かる。
2 負極
3 セパレータ
4 電池ケース
5 封口板
6 ガスケット
7 集電体
8 ガスケットの最も厚みの薄い部分
Claims (2)
- 正極と、負極と、セパレータ及び非水電解液を、電池ケース、封口板及びガスケットからなる電池容器に収納した扁平型非水電解液二次電池であって、前記ガスケットの材料が、フッ素含有量が70mol%以上、85mol%以下であり、且つメルトフローレート(MFR)が20g/10min以上、45g/10min以下であるテトラフルオロエチレンパーフルオロアルキルビニルエーテル共重合体(PFA樹脂)からなることを特徴とする扁平型非水電解液二次電池。
- 前記ガスケットにおいて、最も厚みの薄い部分が0.20mm以上、0.35mm以下であることを特徴とする請求項1記載の扁平型非水電解液二次電池。
Priority Applications (1)
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JP2009178595A JP2010056079A (ja) | 2008-08-01 | 2009-07-31 | 扁平型非水電解液二次電池 |
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JP2008199346 | 2008-08-01 | ||
JP2009178595A JP2010056079A (ja) | 2008-08-01 | 2009-07-31 | 扁平型非水電解液二次電池 |
Publications (1)
Publication Number | Publication Date |
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JP2010056079A true JP2010056079A (ja) | 2010-03-11 |
Family
ID=42071736
Family Applications (1)
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JP2009178595A Pending JP2010056079A (ja) | 2008-08-01 | 2009-07-31 | 扁平型非水電解液二次電池 |
Country Status (1)
Country | Link |
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JP (1) | JP2010056079A (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011071003A (ja) * | 2009-09-28 | 2011-04-07 | Panasonic Corp | 扁平型非水電解液二次電池 |
WO2014050056A1 (ja) * | 2012-09-28 | 2014-04-03 | パナソニック株式会社 | 非水電解液電池 |
WO2020204163A1 (ja) * | 2019-04-05 | 2020-10-08 | ダイキン工業株式会社 | 電気化学デバイス用被圧縮部材 |
WO2021039861A1 (ja) | 2019-08-26 | 2021-03-04 | ダイキン工業株式会社 | 射出成形方法 |
CN114270604A (zh) * | 2019-08-26 | 2022-04-01 | 大金工业株式会社 | 非水电解液电池用部件 |
WO2022071537A1 (ja) | 2020-09-30 | 2022-04-07 | ダイキン工業株式会社 | 封止部材および蓄電体 |
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JPH09305054A (ja) * | 1996-05-10 | 1997-11-28 | Ntn Corp | 分離爪 |
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Cited By (20)
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JPWO2014050056A1 (ja) * | 2012-09-28 | 2016-08-22 | パナソニックIpマネジメント株式会社 | 非水電解液電池 |
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CN113574110A (zh) * | 2019-04-05 | 2021-10-29 | 大金工业株式会社 | 电化学器件用被压缩部件 |
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WO2022071537A1 (ja) | 2020-09-30 | 2022-04-07 | ダイキン工業株式会社 | 封止部材および蓄電体 |
WO2022071536A1 (ja) | 2020-09-30 | 2022-04-07 | ダイキン工業株式会社 | 封止部材および蓄電体 |
WO2022071535A1 (ja) | 2020-09-30 | 2022-04-07 | ダイキン工業株式会社 | 蓄電体 |
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KR20230074790A (ko) | 2020-09-30 | 2023-05-31 | 다이킨 고교 가부시키가이샤 | 밀봉 부재 및 축전체 |
KR20230074792A (ko) | 2020-09-30 | 2023-05-31 | 다이킨 고교 가부시키가이샤 | 밀봉 부재 및 축전체 |
KR20230079129A (ko) | 2020-09-30 | 2023-06-05 | 다이킨 고교 가부시키가이샤 | 축전체 |
WO2022071538A1 (ja) | 2020-09-30 | 2022-04-07 | ダイキン工業株式会社 | 封止部材および蓄電体 |
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