JP2006147560A - 燃料電池用膜/電極接合体、及びこれを含む燃料電池システム - Google Patents
燃料電池用膜/電極接合体、及びこれを含む燃料電池システム Download PDFInfo
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- JP2006147560A JP2006147560A JP2005327752A JP2005327752A JP2006147560A JP 2006147560 A JP2006147560 A JP 2006147560A JP 2005327752 A JP2005327752 A JP 2005327752A JP 2005327752 A JP2005327752 A JP 2005327752A JP 2006147560 A JP2006147560 A JP 2006147560A
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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
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8828—Coating with slurry or ink
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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
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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
- H01M4/8605—Porous electrodes
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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
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
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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
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8882—Heat treatment, e.g. drying, baking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01M8/02—Details
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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
- 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
- H01M4/92—Metals of platinum group
- H01M4/921—Alloys or mixtures with metallic elements
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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
-
- 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
Abstract
【解決手段】本発明は燃料電池用膜-電極接合体及びこれを含む燃料電池システムに関し、前記膜-電極接合体は互いに対向して位置したアノード及びカソードと、前記アノードとカソードとの間に位置した高分子電解質膜とを含み、前記アノードとカソードのうちの少なくともある一つは金属触媒及び微細多孔性イオノマ層を含む触媒層及び電極基材を含む。
【選択図】図3
Description
白金が20wt%であるPt/C3g、イオノマ(デュポン社)1g、及び可塑剤としてジブチルフタレート2gをIPA20gに溶解して触媒スラリーを製造した。その後、前記触媒スラリーを撥水処理された炭素紙(電極基材)にコーティングして触媒層を形成した。次いで、触媒層を乾燥した後、これを可塑剤が溶解されるメタノールに40℃で2時間浸漬して可塑剤を抽出し、微細気孔を有するイオノマ層を含む電極を製造した。
上記実施例1と同様な方法で実施したが、可塑剤として分子量300のポリエチレングリコールを使用した。
上記実施例1と同様な方法で実施したが、触媒スラリーに可塑剤を添加しなかった。この時製造された比較例1の電極はイオノマに気孔が形成されなかった。
2 可塑剤
4 イオノマ
5 酸化剤供給部
6 金属触媒
7 スタック
8 微細気孔
9 燃料タンク
11 燃料ポンプ
13 ポンプ
19 電気発生部
21 膜-電極接合体
23、25 セパレータ
100 燃料電池システム
Claims (13)
- 互いに対向して配置されたアノード及びカソード、及び前記アノードと前記カソードとの間に位置した高分子電解質膜を含み、
前記アノードとカソードのうちの少なくとも一つは金属触媒及び微細多孔性イオノマ層を含む触媒層と、電極基材と、
を含むことを特徴とする燃料電池用膜/電極接合体。 - 前記微細多孔性イオノマ層は、40〜80体積%の気孔度を有することを特徴とする請求項1に記載された燃料電池用膜/電極接合体。
- 前記微細多孔性イオノマ層は、気孔の大きさが10〜1000nmであることを特徴とする請求項1に記載された燃料電池用膜/電極接合体。
- 前記微細多孔性イオノマ層は、前記金属触媒の表面に存在することを特徴とする請求項1に記載された燃料電池用膜/電極接合体。
- 前記微細多孔性イオノマ層は、
前記金属触媒、イオノマ及び可塑剤を含む触媒層形成用組成物を電極基材に塗布して電極を製造し、前記可塑剤を抽出して得られたものであることを特徴とする請求項1に記載された燃料電池用膜/電極接合体。 - 前記可塑剤はC1乃至C10のポリアルキレングリコール;C1乃至C10のポリアルキレンオキシド;C1乃至C10のポリ(アルキル)アクリル酸;スルホン酸基を有する芳香族又はフッ素高分子;セルロース系高分子単独及び少なくともこれらの2種以上の共重合体からなる群より選択された1種以上の親水性高分子であることを特徴とする、請求項5に記載の燃料電池用膜-電極接合体。
- 前記可塑剤の抽出は前記電極を抽出溶媒に浸漬して行われる、請求項5に記載の燃料電池用膜-電極接合体。
- 前記可塑剤の抽出溶媒はアルコール系溶媒、エーテル系溶媒、テトラヒドロフラン及びこれらの混合物からなる群より選択される、請求項7に記載の燃料電池用膜-電極接合体。
- 前記可塑剤とイオノマは20乃至70:30乃至80の重量比で使用される、請求項5に記載の燃料電池用膜-電極接合体。
- 前記金属触媒は担体に担持された貴金属触媒を含む、請求項1に記載の燃料電池用膜-電極接合体。
- 前記電極基材は導電性基材からなり、撥水処理された炭素紙又は炭素布である、請求項1に記載の燃料電池用膜-電極接合体。
- 前記高分子電解質膜はペルフルオロ系高分子、ベンズイミダゾール系高分子、ポリエーテル系高分子、ポリイミド系高分子、ポリエーテルイミド系高分子、ポリアミド系高分子、ポリフェニレンスルフィド系高分子、ポリスルホン系高分子、ポリエーテルスルホン系高分子、ポリエーテルケトン系高分子、ポリエーテル-エーテルケトン系高分子、ポリフェニルキノキサリン系高分子及びこれらの混合物の中で選択される水素イオン伝導性高分子を含むものである、請求項1に記載の燃料電池用膜-電極接合体。
- 請求項1乃至12のいずれか一項による膜-電極接合体と;
セパレータを含み、水素と酸素の電気化学的反応を通じて電気を生成させる少なくとも一つの電気発生部と;
水素を前記電気発生部に供給する燃料供給部と;
酸素を前記電気発生部に供給する酸素供給部とを含む燃料電池システム。
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KR10-2004-0093428 | 2004-11-16 | ||
KR1020040093428A KR100599813B1 (ko) | 2004-11-16 | 2004-11-16 | 연료전지용 막/전극 어셈블리 및 이를 포함하는 연료전지시스템 |
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JP2006147560A true JP2006147560A (ja) | 2006-06-08 |
JP4917794B2 JP4917794B2 (ja) | 2012-04-18 |
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JP2005327752A Expired - Fee Related JP4917794B2 (ja) | 2004-11-16 | 2005-11-11 | 燃料電池用膜/電極接合体、及びこれを含む燃料電池システム |
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US (2) | US20060105225A1 (ja) |
JP (1) | JP4917794B2 (ja) |
KR (1) | KR100599813B1 (ja) |
CN (1) | CN100438158C (ja) |
Cited By (3)
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JP2007294401A (ja) * | 2006-03-31 | 2007-11-08 | Mitsubishi Heavy Ind Ltd | 固体高分子電解質膜電極接合体及びその製造方法 |
JP2008192337A (ja) * | 2007-02-01 | 2008-08-21 | Mitsubishi Heavy Ind Ltd | 固体高分子電解質膜電極接合体及びその製造方法 |
WO2008153148A1 (ja) * | 2007-06-15 | 2008-12-18 | Sumitomo Chemical Company, Limited | 触媒インク、触媒インクの製造方法、膜-電極接合体の製造方法及びこれにより得られる膜-電極接合体、並びに、燃料電池 |
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JP4506740B2 (ja) * | 2006-09-14 | 2010-07-21 | トヨタ自動車株式会社 | 燃料電池用触媒構造体、膜電極接合体、燃料電池、燃料電池用触媒構造体の製造方法 |
KR100859176B1 (ko) * | 2007-06-12 | 2008-09-19 | 삼성전기주식회사 | 수소 발생 장치용 전해질 용액 및 이를 포함하는 수소 발생장치 |
WO2011054503A1 (en) * | 2009-11-06 | 2011-05-12 | Basf Se | Membrane electrode assembly and fuel cells with increased performance |
KR101340538B1 (ko) * | 2010-04-16 | 2013-12-11 | 제일모직주식회사 | 연료전지 전극용 촉매 슬러리 조성물, 이를 이용한 연료전지 전극용 촉매층, 그 제조방법 및 이를 포함하는 막-전극 접합체 |
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EP3501055A4 (en) * | 2016-08-17 | 2020-04-08 | Guido P Pez | SYSTEM AND METHOD FOR CONVERTING AND STORING ELECTROCHEMICAL ENERGY |
KR20180062091A (ko) * | 2016-11-30 | 2018-06-08 | 주식회사 엘지화학 | 막-전극 접합체 제조방법, 이로부터 제조된 막-전극 접합체 및 이를 포함한 연료전지 |
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CN116868389A (zh) | 2020-12-29 | 2023-10-10 | 海森发动机公司 | 干燃料电池电极及其制造方法 |
CN116004050A (zh) * | 2022-12-27 | 2023-04-25 | 海卓动力(青岛)能源科技有限公司 | 燃料电池用高沸点催化层油墨及制备方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007294401A (ja) * | 2006-03-31 | 2007-11-08 | Mitsubishi Heavy Ind Ltd | 固体高分子電解質膜電極接合体及びその製造方法 |
JP2008192337A (ja) * | 2007-02-01 | 2008-08-21 | Mitsubishi Heavy Ind Ltd | 固体高分子電解質膜電極接合体及びその製造方法 |
WO2008153148A1 (ja) * | 2007-06-15 | 2008-12-18 | Sumitomo Chemical Company, Limited | 触媒インク、触媒インクの製造方法、膜-電極接合体の製造方法及びこれにより得られる膜-電極接合体、並びに、燃料電池 |
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Also Published As
Publication number | Publication date |
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CN1776943A (zh) | 2006-05-24 |
US20100196594A1 (en) | 2010-08-05 |
KR100599813B1 (ko) | 2006-07-12 |
US9537156B2 (en) | 2017-01-03 |
JP4917794B2 (ja) | 2012-04-18 |
US20060105225A1 (en) | 2006-05-18 |
CN100438158C (zh) | 2008-11-26 |
KR20060054749A (ko) | 2006-05-23 |
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