KR980006585A - 용융탄산염형 연료전지 분리판의 내식처리방법 - Google Patents

용융탄산염형 연료전지 분리판의 내식처리방법 Download PDF

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Publication number
KR980006585A
KR980006585A KR1019960022386A KR19960022386A KR980006585A KR 980006585 A KR980006585 A KR 980006585A KR 1019960022386 A KR1019960022386 A KR 1019960022386A KR 19960022386 A KR19960022386 A KR 19960022386A KR 980006585 A KR980006585 A KR 980006585A
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South Korea
Prior art keywords
aluminum
fuel cell
corrosion resistance
separator
molten carbonate
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KR1019960022386A
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English (en)
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KR100394778B1 (ko
Inventor
황정태
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이대원
삼성중공업 주식회사
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Priority to KR1019960022386A priority Critical patent/KR100394778B1/ko
Priority to US08/864,745 priority patent/US6090228A/en
Priority to IT97MI001264A priority patent/IT1292033B1/it
Priority to NL1006185A priority patent/NL1006185C2/nl
Priority to JP14421597A priority patent/JP3423574B2/ja
Publication of KR980006585A publication Critical patent/KR980006585A/ko
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Publication of KR100394778B1 publication Critical patent/KR100394778B1/ko

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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
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0223—Composites
    • H01M8/0228—Composites in the form of layered or coated products
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0048—Molten electrolytes used at high temperature
    • H01M2300/0051—Carbonates
    • 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
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0206—Metals or alloys
    • H01M8/0208—Alloys
    • H01M8/021—Alloys based on iron
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

본 발명은 용융탄산염형 연료전지 분리판에 관한 것으로, 특히 스테인리스 재질의 모재에 알루미늄을 코팅하여 열처리를 통해 확산시킴으로써 내식성을 향상하고 열처리시의 변형을 할 수 있는 용융탄산염형 연료 전지 분리판의 내식처리방법에 관한 것이다. 본 발명은 물리증착법이나 슬러리, 스프레이법등으로 알루미늄을 적절히 두께로 코팅하여 700~900℃에서 열처리하여 모재에 확산시킴으로써 분리판에 고내식성을 갖게 하고 있다. 특히, 알루미늄 표면층의 조성이 알루미늄 중량 40-80%, 철 중량 20-50%, 니켈 중량 5-10%, 크롬 중량 5-10%일 때 탄산염에 의한 내식성이 우수한 것을 판명되었다. 이러한 분리판을 장착한 연료전지를 사용하면 고온의 탄산염속에서도 내식성을 장시간 지속시킬 수 있다. 따라서, 본 발명에 의해 제작된 분리판을 사용하면 연료전지의 수명과 성능을 향상할 수 있는 잇점을 갖게 된다.

Description

용융탄산염형 연료전지 분리판의 내식처리방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 일반적인 용융탄산염 연료전지의 구성도.

Claims (5)

  1. 용융탄산염 연료전지의 분리판에 있어서, 소정넓이의 모재에 알루미늄을 10㎛이상의 두께로 코팅하는 단계; 및 600-1000℃의 온도하에서, 10%수소분위기로 10분이상 열처리하여 상기 모재와 알루미늄을 반응시켜 확산층을 형성하는 단계를 포함하는 용융탄산염형 연료전지 분리판의 내식처리방법.
  2. 제1항에 있어서, 상기 알루미늄의 코팅은 물리증착법에 의해 20-80㎛의 두께로 코팅됨을 특징으로 하는 용융탄산염형 연료전지 분리판의 내식처리방법.
  3. 제1항에 있어서, 상기 알루미늄의 코팅은 슬러리법에 의해 알루미늄코팅층이 100-500㎛가 되게 수행됨을 특징으로 하는 용융탄산염형 연료전지 분리판의 내식처리방법.
  4. 제1항에 있어서, 상기 알루미늄의 코팅은 스프레이법에 의해 50-200㎛의 코팅층을 갖게 됨을 특징으로 하는 용융탄산염형 연료전기 분리판의 내식처리방법.
  5. 제1항에 있어서, 상기 확산열처리 후 알루미늄 표면층의 조성은 알루미늄 중량 40-80%, 철 중량 20-50%, 니켈 중량 5-10%, 크롬 중량 5-10%임을 특징으로 하는 용융탄산염형 연료전지 분리판의 내식처리방법.
    ※ 참고사항 : 최초 출원된 내용에 의하여 공개하는 것임.
KR1019960022386A 1996-05-31 1996-06-19 용융탄산염형연료전지분리판의내식처리방법 KR100394778B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019960022386A KR100394778B1 (ko) 1996-06-19 1996-06-19 용융탄산염형연료전지분리판의내식처리방법
US08/864,745 US6090228A (en) 1996-05-31 1997-05-29 Anticorrosive treatment method for a separator of molten carbonate fuel cell
IT97MI001264A IT1292033B1 (it) 1996-05-31 1997-05-29 Metodo di trattamento anticorrosivo per un separatore di cella a combustibile di carbonato fuso
NL1006185A NL1006185C2 (nl) 1996-05-31 1997-05-30 Anticorrosie-behandelingswerkwijze voor een separator van een brandstofcel met gesmolten carbonaat.
JP14421597A JP3423574B2 (ja) 1996-05-31 1997-06-02 溶融炭酸塩形燃料電池の分離板の耐食処理方法

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Application Number Priority Date Filing Date Title
KR1019960022386A KR100394778B1 (ko) 1996-06-19 1996-06-19 용융탄산염형연료전지분리판의내식처리방법

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KR980006585A true KR980006585A (ko) 1998-03-30
KR100394778B1 KR100394778B1 (ko) 2003-11-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100318206B1 (ko) * 1999-08-17 2001-12-22 이종훈 용융탄산염 연료전지용 분리판의 열처리 방법
KR100444245B1 (ko) * 2001-09-11 2004-08-16 한국전력공사 용융탄산염 연료전지용 분리판의 열처리방법 및 용융탄산염 연료전지
KR101311784B1 (ko) * 2007-12-21 2013-09-25 재단법인 포항산업과학연구원 용융탄산염연료전지용 분리판의 내 부식 코팅 방법

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100751027B1 (ko) * 2005-12-23 2007-08-21 재단법인 포항산업과학연구원 용융탄산염 연료전지용 분리판의 내식코팅방법 및 이에사용되는 코팅제

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62262376A (ja) * 1986-05-07 1987-11-14 Mitsubishi Electric Corp 溶融炭酸塩形燃料電池
JPH02247977A (ja) * 1989-03-22 1990-10-03 Matsushita Electric Ind Co Ltd 溶融炭酸塩型燃料電池の製造法
JPH06168727A (ja) * 1992-11-27 1994-06-14 Toshiba Corp 燃料電池
JPH06267550A (ja) * 1993-03-12 1994-09-22 Toshiba Corp 溶融炭酸塩型燃料電池用セパレータおよび溶融炭酸塩型燃料電池用セパレータの耐食処理方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100318206B1 (ko) * 1999-08-17 2001-12-22 이종훈 용융탄산염 연료전지용 분리판의 열처리 방법
KR100444245B1 (ko) * 2001-09-11 2004-08-16 한국전력공사 용융탄산염 연료전지용 분리판의 열처리방법 및 용융탄산염 연료전지
KR101311784B1 (ko) * 2007-12-21 2013-09-25 재단법인 포항산업과학연구원 용융탄산염연료전지용 분리판의 내 부식 코팅 방법

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