JP2009117364A - 燃料電池の膜−電極接合体及びその製造方法 - Google Patents
燃料電池の膜−電極接合体及びその製造方法 Download PDFInfo
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- JP2009117364A JP2009117364A JP2008279958A JP2008279958A JP2009117364A JP 2009117364 A JP2009117364 A JP 2009117364A JP 2008279958 A JP2008279958 A JP 2008279958A JP 2008279958 A JP2008279958 A JP 2008279958A JP 2009117364 A JP2009117364 A JP 2009117364A
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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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
- H01M4/9083—Catalytic material 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0234—Carbonaceous material
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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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- 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
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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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Abstract
【解決手段】本発明の燃料電池の膜‐電極接合体は、固体高分子膜と、該固体高分子膜の両表面にそれぞれ設置された電極とを含む膜‐電極接合体において、前記電極がガス拡散層と触媒層を含み、前記触媒層が前記固体高分子膜と前記ガス拡散層の間に設置され、前記ガス拡散層がカーボンナノチューブ構造体を含み、該カーボンナノチューブ構造体には、互いに絡み合ったカーボンナノチューブが含まれる。また、本発明は、燃料電池用膜‐電極接合体の製造方法も提供する。
【選択図】図1
Description
Recent advances in fuel cell technology and itsapplication、Journal of Power Sources、2001年、第100巻、p.60−66 Kaili Jiang、Qunqing Li、Shoushan Fan、"Spinning continuous carbon nanotube yarns"、Nature、2002年、第419巻、p.801
本実施形態は、燃料電池の膜‐電極接合体10を提供する。該燃料電池の膜‐電極接合体10は、固体高分子膜12と二つの電極14を含む。該電極14は、ガス拡散層16と触媒層18を含む。前記電極14がそれぞれ前記固体高分子膜12の両表面に設置され、前記触媒層18が前記固体高分子膜12と前記ガス拡散層16の間に設置される。
図2を参照すると、本実施形態は、燃料電池の膜‐電極接合体10の製造方法を提供する。該製造方法は、下記のようなステップを含む。
図6を参照すると、本発明は、燃料電池600を提供する。該燃料電池600は、膜‐電極接合体618、二つのフローフィールドプレート610、二つの集電体612及び関連部品614を含む。
12 固体高分子膜
14 電極
16 ガス拡散層
18 触媒層
600 燃料電池
602 固体高分子膜
604 電極
606 ガス拡散層
608 触媒層
610 フローフィールドプレート
612 集電体
614 関連部品
616 フローフィールド槽
Claims (8)
- 固体高分子膜と、該固体高分子膜の両表面にそれぞれ設置された電極とを含む膜‐電極接合体において、
前記電極がガス拡散層と触媒層を含み、
前記触媒層が前記固体高分子膜と前記ガス拡散層の間に設置され、
前記ガス拡散層が、カーボンナノチューブ構造体を含み、
該カーボンナノチューブ構造体が、互いに絡み合ったカーボンナノチューブを含むことを特徴とする燃料電池の膜‐電極接合体。 - 前記カーボンナノチューブ構造体において、カーボンナノチューブが等方的に、均一的に不規則に配列されていることを特徴とする、請求項1に記載の燃料電池の膜‐電極接合体。
- 前記カーボンナノチューブ構造体において、単一の前記カーボンナノチューブの長さが10マイクロメートル以上であることを特徴とする、請求項1または2のいずれかに記載の燃料電池の膜‐電極接合体。
- 前記カーボンナノチューブ構造体において、前記カーボンナノチューブが分子間力で絡み合って、ネットワーク構造が形成されていることを特徴とする、請求項1から3のいずれか一項に記載の燃料電池の膜‐電極接合体。
- 前記カーボンナノチューブ構造体が、複数の微孔構造を有し、
単一の前記微孔構造の孔径が100マイクロメートル以下であることを特徴とする、請求項1から4のいずれか一項に記載の燃料電池の膜‐電極接合体。 - 前記カーボンナノチューブ構造体において、前記ガス拡散層の厚さが1マイクロメートル〜2ミリメートルであることを特徴とする、請求項1から5のいずれか一項に記載の燃料電池の膜‐電極接合体。
- ガス拡散層とするカーボンナノチューブ構造体を製造する第一ステップと、
前記ガス拡散層の表面に触媒層を形成し、電極を形成する第二ステップと、
固体高分子膜を提供し、該固体高分子膜の両表面にそれぞれ前記電極を設置し、燃料電池の膜‐電極接合体を形成する第三ステップと、
を含むことを特徴とする燃料電池の膜‐電極接合体の製造方法。 - 前記ガス拡散層とするカーボンナノチューブ構造体を製造する第一ステップが、
カーボンナノチューブの原料を提供する第一サブステップと、
前記カーボンナノチューブの原料を溶剤に浸漬し、該カーボンナノチューブの原料を処理して、綿毛構造のカーボンナノチューブ構造を形成する第二サブステップと、
前記綿毛構造のカーボンナノチューブ構造をろ過して、カーボンナノチューブ構造体を形成する第三サブステップと、
を含むことを特徴とする、請求項7に記載の燃料電池の膜‐電極接合体の製造方法。
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CN200710124247.4 | 2007-11-02 | ||
CN2007101242474A CN101425583B (zh) | 2007-11-02 | 2007-11-02 | 燃料电池膜电极及其制备方法 |
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JP2009117364A true JP2009117364A (ja) | 2009-05-28 |
JP5032439B2 JP5032439B2 (ja) | 2012-09-26 |
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JP2018168058A (ja) * | 2011-06-20 | 2018-11-01 | 矢崎総業株式会社 | 炭素の凝集アセンブリおよびその用途 |
JP7060437B2 (ja) | 2011-06-20 | 2022-04-26 | 矢崎総業株式会社 | 炭素の凝集アセンブリおよびその用途 |
Also Published As
Publication number | Publication date |
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JP5032439B2 (ja) | 2012-09-26 |
US20140113219A1 (en) | 2014-04-24 |
CN101425583A (zh) | 2009-05-06 |
US20090117437A1 (en) | 2009-05-07 |
US9698442B2 (en) | 2017-07-04 |
CN101425583B (zh) | 2011-06-08 |
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