JP6948257B2 - 蓄電モジュール及びその製造方法 - Google Patents
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- JP6948257B2 JP6948257B2 JP2017253636A JP2017253636A JP6948257B2 JP 6948257 B2 JP6948257 B2 JP 6948257B2 JP 2017253636 A JP2017253636 A JP 2017253636A JP 2017253636 A JP2017253636 A JP 2017253636A JP 6948257 B2 JP6948257 B2 JP 6948257B2
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- 238000003860 storage Methods 0.000 title claims description 62
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 229920005989 resin Polymers 0.000 claims description 71
- 239000011347 resin Substances 0.000 claims description 71
- 229920001971 elastomer Polymers 0.000 claims description 63
- 239000005060 rubber Substances 0.000 claims description 63
- 230000002093 peripheral effect Effects 0.000 claims description 40
- 239000008151 electrolyte solution Substances 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 19
- 125000004122 cyclic group Chemical group 0.000 claims description 15
- 229920001973 fluoroelastomer Polymers 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000004945 silicone rubber Substances 0.000 claims description 7
- 229920005992 thermoplastic resin Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims 2
- 239000010410 layer Substances 0.000 description 46
- -1 polypropylene Polymers 0.000 description 17
- 239000004743 Polypropylene Substances 0.000 description 15
- 229920001155 polypropylene Polymers 0.000 description 15
- 239000002243 precursor Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 229920001955 polyphenylene ether Polymers 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008393 encapsulating agent Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- AUPYOEILHQZNDV-UHFFFAOYSA-N CC=C.C=C.F.F.F.F Chemical group CC=C.C=C.F.F.F.F AUPYOEILHQZNDV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229920006169 Perfluoroelastomer Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002577 polybenzoxazole Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
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- 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
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- Cell Separators (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
Claims (6)
- 複数のバイポーラ電極が積層された電極積層体と、前記電極積層体の側面を封止する封止体と、を備え、
前記電極積層体は電解液を含み、
前記バイポーラ電極は、電極板と、前記電極板の一方の面に設けられた正極と、前記電極板の他方の面に設けられた負極と、を含み、
前記封止体は、
前記バイポーラ電極にそれぞれ設けられ、前記バイポーラ電極の各電極板の周縁部に沿って設けられた環状樹脂部と、
前記各電極板の前記周縁部と前記環状樹脂部との間に設けられ、前記周縁部と前記環状樹脂部とに接着されたゴム層と、
前記電極積層体の側面を包囲し、かつ、各前記環状樹脂部と溶着された筒状部と、を含み、
前記環状樹脂部及び前記筒状部は、互いに相溶性を有する熱可塑性樹脂からなり、
前記環状樹脂部は、前記電極積層体の積層方向から見て、前記各電極板の前記周縁部よりも外に張り出して、前記筒状部に埋没した部分を有し、該埋没した部分において前記筒状部と互いに溶着しており、
前記ゴム層は、シリコーンゴム又はフッ素ゴムの層である、蓄電モジュール。 - 前記ゴム層は、電解液と接触すると膨潤する、請求項1に記載の蓄電モジュール。
- 前記電極板の前記周縁部のうちの前記ゴム層と接触する部分が突起を有する、請求項1又は2に記載の蓄電モジュール。
- 前記電極積層体は、積層方向の最外に、電極板と、前記電極板の一方の面に設けられた負極とを含み、前記一方の面が前記電極積層体の内側になるように配置された、負極終端電極をさらに備え、
前記封止体は、
前記負極終端電極の前記電極板の周縁部に沿って設けられた負極終端環状樹脂部と、
前記負極終端電極の前記電極板の前記周縁部と前記負極終端環状樹脂部との間に設けられた負極終端ゴム層と、をさらに含み、
前記負極終端環状樹脂部は熱可塑性樹脂からなり、
前記負極終端環状樹脂部は、前記積層方向から見て、前記負極終端電極の前記電極板の前記周縁部よりも外に張り出して、前記筒状部に埋没した部分を有し、該埋没した部分において前記筒状部と互いに溶着しており、
前記負極終端ゴム層は、前記負極終端電極の前記電極板の前記周縁部と前記負極終端環状樹脂部とに接着されており、
前記負極終端ゴム層は、シリコーンゴム又はフッ素ゴムの層である、請求項1〜3のいずれか一項に記載の蓄電モジュール。 - 請求項1〜4のいずれか一項に記載の蓄電モジュールの製造方法であって、
前記バイポーラ電極の前記電極板の前記周縁部に前記ゴム層を形成する工程と、
前記ゴム層に前記環状樹脂部を接着する工程と、を備える、製造方法。 - 前記ゴム層に電解液を接触させて、前記ゴム層を膨潤させる工程をさらに備える、請求項5に記載の製造方法。
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Family Cites Families (14)
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US4900643A (en) * | 1988-04-08 | 1990-02-13 | Globe-Union Inc. | Lead acid bipolar battery plate and method of making the same |
US5326656A (en) * | 1993-06-21 | 1994-07-05 | General Motors Corporation | Bipolar battery electrode |
US5508131A (en) * | 1994-04-07 | 1996-04-16 | Globe-Union Inc. | Injection molded battery containment for bipolar batteries |
AU2386795A (en) * | 1994-04-20 | 1995-11-16 | Valence Technology, Inc. | Radiation curable frame for stacked cell construction and for edge sealing of electrochemical cells to retard dendritic short-circuits |
US5912090A (en) * | 1996-03-08 | 1999-06-15 | Hitachi Maxell, Ltd. | Nickel-hydrogen stacked battery pack |
JP3260349B2 (ja) * | 2000-06-05 | 2002-02-25 | 松下電器産業株式会社 | 電気化学素子用封止剤およびそれを用いた電気化学素子 |
JP4096718B2 (ja) * | 2002-11-28 | 2008-06-04 | 日産自動車株式会社 | バイポーラ電池、バイポーラ電池の製造方法、組電池および車両 |
JP2005259379A (ja) * | 2004-03-09 | 2005-09-22 | Nissan Motor Co Ltd | バイポーラ電池 |
JP4670275B2 (ja) * | 2004-08-12 | 2011-04-13 | 日産自動車株式会社 | バイポーラ電池および組電池 |
JP5017843B2 (ja) * | 2005-10-26 | 2012-09-05 | 日産自動車株式会社 | 電池モジュール、および組電池 |
JP2007188746A (ja) * | 2006-01-13 | 2007-07-26 | Nissan Motor Co Ltd | バイポーラ電池、組電池及びそれらの電池を搭載した車両 |
ES2400625T3 (es) * | 2007-02-12 | 2013-04-11 | Randy Ogg | Construcciones apiladas para baterías electroquímicas |
WO2010124195A1 (en) * | 2009-04-24 | 2010-10-28 | G4 Synergetics, Inc. | Energy storage devices having mono-polar and bi-polar cells electrically coupled in series and in parallel |
JP6623525B2 (ja) * | 2015-02-06 | 2019-12-25 | 日産自動車株式会社 | 二次電池、二次電池の製造方法および二次電池の電極−シール材の組立体 |
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