KR100765088B1 - 계면 저항을 감소시킨 하이브리드 전극-막 접합체 및 그제조방법 - Google Patents
계면 저항을 감소시킨 하이브리드 전극-막 접합체 및 그제조방법 Download PDFInfo
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- KR100765088B1 KR100765088B1 KR1020040061478A KR20040061478A KR100765088B1 KR 100765088 B1 KR100765088 B1 KR 100765088B1 KR 1020040061478 A KR1020040061478 A KR 1020040061478A KR 20040061478 A KR20040061478 A KR 20040061478A KR 100765088 B1 KR100765088 B1 KR 100765088B1
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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
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/881—Electrolytic membranes
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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
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
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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
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/8807—Gas diffusion layers
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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
- H01M4/925—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
- 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
- H01M4/8896—Pressing, rolling, calendering
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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
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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
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
- Y10T29/53204—Electrode
Abstract
Description
Claims (15)
- 확산층 및 촉매물질을 포함하는 활성층을 포함하는 연료극과 확산층 및 촉매물질을 포함하는 활성층을 포함하는 공기극으로 구성된 전극; 및 연료극과 공기극 사이에 개재되고 일면 또는 양면이 촉매물질을 포함하는 활성층으로 도포된 전해질막을 포함하고, 상기 전극과 전해질막이 가온 압착된 전극-막 접합체로서, 전극 확산층에 활성층 도포 시 활성층의 점도는 100 내지 10,000 cPs인 것이 특징인 전극-막 접합체.
- 제1항에 있어서, 상기 전극 확산층에 활성층 도포 시 활성층의 점도는 1,000 내지 10,000 cPs인 것이 특징인 전극-막 접합체.
- 제1항에 있어서, 전극 활성층을 형성하는 촉매입자는 전해질로 코팅된 것이 특징인 전극-막 접합체.
- 제1항에 있어서, 상기 전해질막 중 연료극쪽의 표면에 도포된 활성층의 촉매는 연료극 활성층의 촉매와 동일하고, 전해질막 중 공기극쪽의 표면에 도포된 활성층의 촉매는 공기극 활성층의 촉매와 동일한 것인 전극-막 접합체.
- 제1항에 있어서, 상기 전극 확산층의 활성층은 커튼 코팅 방식에 의해 전극 확산층에 도포된 것이 특징인 전극-막 접합체.
- 제1항에 있어서, 전해질막의 활성층은 스프레이 방식에 의해 전해질막에 도포되고, 상기 전해질막에 도포되는 활성층의 점도는 10 cPs이하인 것이 특징인 전극-막 접합체.
- 제1항에 있어서, 전해질막에 형성된 활성층은 전극 확산층에 형성된 활성층 대비 1~100 중량%인 것이 특징인 전극 막 접합체.
- 제1항 내지 제6항에 기재된 전극 막 접합체를 제조하는 방법으로서,촉매물질을 포함하는 활성층을 전해질막 표면에 형성시키는 제1 단계; 촉매물질을 포함하는 활성층을 전극 확산층 표면에 형성시키는 제2 단계; 및 상기 전해질막과 전극 확산층을 가온 압착하는 제3 단계를 포함하고,제2 단계에서 전극 확산층에 적용되는 활성층의 점도는 용매의 비율을 조절함으로써 100 내지 10,000 cPs로 조절하는 것이 특징인 전극-막 접합체의 제조 방법.
- 제8항에 있어서, 제1 단계는 가스 가압식 방법으로 공급되는 촉매 잉크를 건조된 전해질막에 스프레이 방식으로 도포하는 것이 특징인 제조 방법
- 제9항에 있어서, 제1 단계는 열건조기에 의해 전해질막이 건조된 상태를 유 지하는 것이 특징인 제조 방법.
- 제8항에 있어서, 제2 단계는 전해질 파우더로 촉매를 코팅하고 전해질이 코팅된 촉매파우더를 용매와 혼합하여 제조된 촉매 잉크를 확산층에 도포하여 활성층을 형성시키는 것이 특징인 제조 방법.
- 제8항에 있어서, 제1 단계의 작동온도는 20 내지 100 ℃ 인 것이 특징인 제조 방법.
- 제8항에 있어서, 제3 단계의 작동온도는 50 내지 200 ℃이고 압력은 단위 면적 당 5 내지 100kg/cm2 인 것이 특징인 제조방법.
- 제8항에 있어서, 제2 단계는 확산층의 건조공정(dry coating)을 더 포함하는 것이 특징인 제조방법.
- 전해질(이온 전도성 물질)로 코팅된 촉매입자를 촉매 활성층에 포함하는 것이 특징인 전극-막 접합체.
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KR1020030054098 | 2003-08-05 | ||
KR20030054098 | 2003-08-05 |
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KR20050016145A KR20050016145A (ko) | 2005-02-21 |
KR100765088B1 true KR100765088B1 (ko) | 2007-10-09 |
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KR1020040061478A KR100765088B1 (ko) | 2003-08-05 | 2004-08-04 | 계면 저항을 감소시킨 하이브리드 전극-막 접합체 및 그제조방법 |
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US (2) | US20070009783A1 (ko) |
EP (1) | EP1665422B1 (ko) |
JP (1) | JP2007501496A (ko) |
KR (1) | KR100765088B1 (ko) |
CN (1) | CN100479238C (ko) |
AT (1) | ATE527712T1 (ko) |
TW (1) | TWI274084B (ko) |
WO (1) | WO2005013396A1 (ko) |
Cited By (1)
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KR100961513B1 (ko) * | 2008-02-19 | 2010-06-07 | 삼성전기주식회사 | 막 전극 접합체, 이의 제조 방법 및 이를 구비한 연료 전지 |
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KR101201816B1 (ko) * | 2005-03-07 | 2012-11-15 | 삼성에스디아이 주식회사 | 막-전극 어셈블리, 그 제조방법, 및 이를 포함하는 연료전지 시스템 |
JP4736787B2 (ja) * | 2005-12-20 | 2011-07-27 | トヨタ自動車株式会社 | 固体高分子形燃料電池における膜電極接合体および補強型電解質膜の製造方法 |
KR100822034B1 (ko) | 2006-05-03 | 2008-04-15 | 한국전력공사 | 고체 고분자 수전해용 막 전극 접합체 제조방법 |
JP5122149B2 (ja) * | 2006-06-09 | 2013-01-16 | 旭硝子株式会社 | 固体高分子形燃料電池用膜電極接合体の製造方法 |
US8999434B2 (en) | 2006-06-09 | 2015-04-07 | Asahi Glass Company, Limited | Process for producing membrane/ electrode assembly for polymer electrolyte fuel cells |
JP2008041498A (ja) * | 2006-08-08 | 2008-02-21 | Sharp Corp | 固体高分子形燃料電池用触媒担持体の製造方法および固体高分子形燃料電池 |
KR101441133B1 (ko) * | 2008-03-26 | 2014-09-17 | 엘지전자 주식회사 | 냉장고의 드로어 구동 제어 방법 |
CN102210049A (zh) * | 2008-11-12 | 2011-10-05 | 原子能和代替能源委员会 | 催化剂薄层及其制造方法 |
KR101337905B1 (ko) * | 2011-09-21 | 2013-12-09 | 기아자동차주식회사 | 초음파 진동 접합을 이용한 연료전지 막-전극 접합체 제조 방법 |
FR2985523B1 (fr) * | 2012-01-06 | 2014-11-28 | Commissariat Energie Atomique | Electrode poreuse pour membrane echangeuse de protons |
JP5899522B2 (ja) * | 2012-02-08 | 2016-04-06 | パナソニックIpマネジメント株式会社 | 燃料電池用膜電極接合体の製造方法および製造装置 |
CN113555565A (zh) * | 2021-07-13 | 2021-10-26 | 广东兰氢科技有限公司 | 一种催化层制备方法 |
CN114959762A (zh) * | 2022-06-01 | 2022-08-30 | 中国科学院大连化学物理研究所 | 一种固体电解质电解槽用膜电极 |
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2004
- 2004-08-03 TW TW093123220A patent/TWI274084B/zh active
- 2004-08-04 KR KR1020040061478A patent/KR100765088B1/ko active IP Right Grant
- 2004-08-05 US US10/565,887 patent/US20070009783A1/en not_active Abandoned
- 2004-08-05 CN CNB2004800224632A patent/CN100479238C/zh active Active
- 2004-08-05 AT AT04774268T patent/ATE527712T1/de not_active IP Right Cessation
- 2004-08-05 JP JP2006522510A patent/JP2007501496A/ja active Pending
- 2004-08-05 WO PCT/KR2004/001969 patent/WO2005013396A1/en active Application Filing
- 2004-08-05 EP EP04774268A patent/EP1665422B1/en active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100961513B1 (ko) * | 2008-02-19 | 2010-06-07 | 삼성전기주식회사 | 막 전극 접합체, 이의 제조 방법 및 이를 구비한 연료 전지 |
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US20110111328A1 (en) | 2011-05-12 |
JP2007501496A (ja) | 2007-01-25 |
EP1665422A4 (en) | 2009-09-30 |
TW200519234A (en) | 2005-06-16 |
US20070009783A1 (en) | 2007-01-11 |
ATE527712T1 (de) | 2011-10-15 |
EP1665422B1 (en) | 2011-10-05 |
KR20050016145A (ko) | 2005-02-21 |
CN1833329A (zh) | 2006-09-13 |
WO2005013396A1 (en) | 2005-02-10 |
CN100479238C (zh) | 2009-04-15 |
US8338059B2 (en) | 2012-12-25 |
EP1665422A1 (en) | 2006-06-07 |
TWI274084B (en) | 2007-02-21 |
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