JP6722574B2 - 樹脂枠付き電解質膜・電極構造体及びその製造方法 - Google Patents
樹脂枠付き電解質膜・電極構造体及びその製造方法 Download PDFInfo
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
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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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/921—Alloys or mixtures with metallic elements
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1039—Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/18—Fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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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
- 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
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- Materials Engineering (AREA)
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Description
12…発電セル 14…第1セパレータ
16…第2セパレータ 18…電解質膜
20…アノード電極 22…カソード電極
24、102…樹脂枠部材 25a、25b…内周端部
Claims (8)
- 電解質膜の一方の面に第1電極が設けられるとともに前記電解質膜の他方の面に第2電極が設けられてなる電解質膜・電極構造体と、
前記電解質膜・電極構造体の外周部に設けられるとともに前記外周部を周回し、その内周端部が前記第1電極の外周部と前記第2電極の外周部との間に配置された樹脂枠部材と、
を備えた樹脂枠付き電解質膜・電極構造体であって、
前記内周端部は、内方に向かって前記電解質膜側の面が前記電解質膜とは反対側の面に近づくように先細り形状に形成されている、
ことを特徴とする樹脂枠付き電解質膜・電極構造体。 - 請求項1記載の樹脂枠付き電解質膜・電極構造体において、
前記第1電極及び前記第2電極において、一方の電極の平面寸法は、他方の電極の平面寸法よりも大きく設定される、
ことを特徴とする樹脂枠付き電解質膜・電極構造体。 - 請求項2記載の樹脂枠付き電解質膜・電極構造体において、
前記一方の電極は、前記樹脂枠部材の前記内周端部に重なる箇所に前記電解質膜に対して傾斜する傾斜領域を有し、
前記他方の電極は、前記内周端部よりも外方の領域から前記内周端部よりも内方の領域に亘って平坦状に形成される、
ことを特徴とする樹脂枠付き電解質膜・電極構造体。 - 請求項2記載の樹脂枠付き電解質膜・電極構造体において、
前記一方の電極は、前記他方の電極側に対向する面に触媒層を有し、
前記樹脂枠部材の内周部の前記電解質膜とは反対側は、前記触媒層に直接当接する、
ことを特徴とする樹脂枠付き電解質膜・電極構造体。 - 電解質膜の一方の面に第1電極が設けられるとともに前記電解質膜の他方の面に第2電極が設けられてなる電解質膜・電極構造体と、
前記電解質膜・電極構造体の外周部に設けられるとともに前記外周部を周回する樹脂枠部材と、
を備えた樹脂枠付き電解質膜・電極構造体の製造方法であって、
前記樹脂枠部材の内周端部は、内方に向かって前記電解質膜側の面が前記電解質膜とは反対側の面に近づくように先細り形状に形成され、前記第1電極及び前記第2電極の外周部間に前記内周端部を配置する配置工程と、
前記第1電極及び前記第2電極の前記外周部間に配置された前記内周端部に対して加熱を行うとともに荷重を付与することにより、前記内周端部と前記電解質膜とを接合する接合工程と、
を有することを特徴とする樹脂枠付き電解質膜・電極構造体の製造方法。 - 請求項5記載の樹脂枠付き電解質膜・電極構造体の製造方法において、
前記接合工程では、接着層を介して前記内周端部を前記電解質膜に接合する、
ことを特徴とする樹脂枠付き電解質膜・電極構造体の製造方法。 - 請求項6記載の樹脂枠付き電解質膜・電極構造体の製造方法において、
前記第1電極及び前記第2電極において、一方の電極の平面寸法は、他方の電極の平面寸法よりも大きく設定され、
前記接合工程では、前記他方の電極と一体となった前記電解質膜に前記接着層を介して前記内周端部を接合する、
ことを特徴とする樹脂枠付き電解質膜・電極構造体の製造方法。 - 請求項7記載の樹脂枠付き電解質膜・電極構造体の製造方法において、
前記接合工程が終了した状態で、前記一方の電極は、前記樹脂枠部材の前記内周端部に重なる箇所に前記電解質膜に対して傾斜する傾斜領域を有し、前記他方の電極は、前記内周端部よりも外方の領域から前記内周端部よりも内方の領域に亘って平坦状に形成される、
ことを特徴とする樹脂枠付き電解質膜・電極構造体の製造方法。
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JP2016238130A JP6722574B2 (ja) | 2016-12-08 | 2016-12-08 | 樹脂枠付き電解質膜・電極構造体及びその製造方法 |
US15/831,533 US20180166707A1 (en) | 2016-12-08 | 2017-12-05 | Resin frame equipped membrane electrode assembly and method of producing the same |
US16/860,105 US11133514B2 (en) | 2016-12-08 | 2020-04-28 | Resin frame equipped membrane electrode assembly and method of producing the same |
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JP2016238130A JP6722574B2 (ja) | 2016-12-08 | 2016-12-08 | 樹脂枠付き電解質膜・電極構造体及びその製造方法 |
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JP7053298B2 (ja) * | 2018-02-14 | 2022-04-12 | Nok株式会社 | ガス拡散層一体ガスケット及び燃料電池セル用部材 |
JP7008588B2 (ja) * | 2018-06-26 | 2022-02-10 | 本田技研工業株式会社 | 燃料電池用セパレータ及び燃料電池スタック |
JP7022023B2 (ja) * | 2018-07-20 | 2022-02-17 | 本田技研工業株式会社 | 発電セル |
JP7177751B2 (ja) * | 2019-06-05 | 2022-11-24 | 本田技研工業株式会社 | 燃料電池及び燃料電池スタック |
US11196058B2 (en) * | 2019-07-30 | 2021-12-07 | Honda Motor Co., Ltd. | Frame equipped membrane electrode assembly, method of producing the frame equipped membrane electrode assembly, and fuel cell |
JP7120197B2 (ja) | 2019-09-30 | 2022-08-17 | トヨタ自動車株式会社 | 燃料電池単位セル |
JP7401349B2 (ja) * | 2020-03-05 | 2023-12-19 | 本田技研工業株式会社 | 樹脂枠付き電解質膜・電極構造体及び発電セル |
JP7408446B2 (ja) * | 2020-03-18 | 2024-01-05 | 本田技研工業株式会社 | 樹脂枠付き電解質膜・電極構造体及び燃料電池用樹脂枠部材の製造方法 |
JP7104119B2 (ja) * | 2020-03-18 | 2022-07-20 | 本田技研工業株式会社 | 燃料電池用樹脂枠部材の製造方法及び加工型 |
US11611087B2 (en) | 2020-03-18 | 2023-03-21 | Honda Motor Co., Ltd. | Method of producing resin frame member for fuel cell and processing die |
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US8007949B2 (en) * | 2002-10-08 | 2011-08-30 | Bhaskar Sompalli | Edge-protected catalyst-coated diffusion media and membrane electrode assemblies |
JP2004281113A (ja) * | 2003-03-13 | 2004-10-07 | Osaka Gas Co Ltd | 固体高分子形燃料電池用セル及びそれを備えた固体高分子形燃料電池 |
US20050014056A1 (en) * | 2003-07-14 | 2005-01-20 | Umicore Ag & Co. Kg | Membrane electrode unit for electrochemical equipment |
JP5070817B2 (ja) | 2006-11-22 | 2012-11-14 | 富士電機株式会社 | 固体高分子電解質型燃料電池の膜・電極接合体とその製造方法 |
US8211591B2 (en) * | 2008-09-11 | 2012-07-03 | GM Global Technology Operations LLC | Subgasket window edge design relief |
US8227136B2 (en) * | 2008-10-30 | 2012-07-24 | GM Global Technology Operations LLC | Using ionomer to militate against membrane buckling in the tenting region |
US8399150B2 (en) * | 2010-06-23 | 2013-03-19 | GM Global Technology Operations LLC | Integrated fuel cell assembly and method of making |
JP5683433B2 (ja) * | 2011-11-07 | 2015-03-11 | 本田技研工業株式会社 | 燃料電池スタック |
JP2017174650A (ja) * | 2016-03-24 | 2017-09-28 | 日産自動車株式会社 | 燃料電池単セル及び燃料電池スタック |
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JP2018097917A (ja) | 2018-06-21 |
US11133514B2 (en) | 2021-09-28 |
US20180166707A1 (en) | 2018-06-14 |
US20200259190A1 (en) | 2020-08-13 |
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