KR980006586A - 용융탄산염 연료전지 분리판의 표면처리방법 - Google Patents

용융탄산염 연료전지 분리판의 표면처리방법 Download PDF

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Publication number
KR980006586A
KR980006586A KR1019960022387A KR19960022387A KR980006586A KR 980006586 A KR980006586 A KR 980006586A KR 1019960022387 A KR1019960022387 A KR 1019960022387A KR 19960022387 A KR19960022387 A KR 19960022387A KR 980006586 A KR980006586 A KR 980006586A
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South Korea
Prior art keywords
fuel cell
thickness
aluminum
molten carbonate
nickel
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KR1019960022387A
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English (en)
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KR100394777B1 (ko
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황정태
최영태
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이대원
삼성중공업 주식회사
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Priority to KR1019960022387A priority Critical patent/KR100394777B1/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 KR980006586A publication Critical patent/KR980006586A/ko
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Publication of KR100394777B1 publication Critical patent/KR100394777B1/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
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sustainable Energy (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Composite Materials (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Fuel Cell (AREA)

Abstract

본 발명은 용융탄산염 연료전지에 관한 것으로, 특히 스페인리스강의 모재에 니켈과 알루미늄을 적층코팅한 후 확산열처리하여 열변형을 방지하고 내구성을 향상한 용융탄산염 연료전지 분리판의 표면처리방법에 관한 것이다. 본 발명은 용융탄산염 연료전지의 분리판으로 사용했을 때 알루미늄의 코팅두께가 얇아도 기존의 알루미늄 단독코팅과 유사하거나 더 내식성이 우수하다. 뿐만 아니라, 열처리온도가 상대적으로 낮게 할 수 있어 연료전지 분리판과 같은 박판에 대한 열변형을 방지하여 내구성을 향상할 수 있는 효과를 가지고 있다.

Description

용융탄산염 연료전지 분리판의 표면처리방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (7)

  1. 용융탄산염 연료전지의 분리판에 있어서, 소정넓이의 모재에 니켈을 소정두께로 코팅하는 단계; 상기 니켈코팅층위에 적정두께로 알루미늄을 코팅하는 단계; 및 상기 니켈과 알루미늄이 적층코팅된 모제를 600-1000℃온도하게 10% 수소분위기에서 10분이상 열처리하여 확산층을 형성하는 단계를 포함하는 용융탄산염 연료전지 분리판의 표면처리방법.
  2. 제1항에 있어서, 상기 모체에 니켈 2㎛ 이상의 두께로 전기도금코팅하고, 그 위에 몰리증착법에 의해 알루미늄 4㎛이상의 두께로 코팅하는 것을 특징으로 하는 용융탄산염 연료전지 분리판의 표면처리방법.
  3. 제2항에 있어서, 상기 전기도금에 의한 니켈층의 최적두께는 5-20㎛이고, 상기 물리증착법에 의한 알루미늄코팅층의 두께는 10-60㎛를 최적으로 하는 것을 특징으로 하는 용융탄산염 연료전지 분리판의 표면처리방법.
  4. 제1항에 있어서, 상기 모재에 스프레이코팅법으로 니켈을 5㎛이상의 두께로 코팅한 후, 그 위에 재차 스프레이코팅법으로 10㎛이상의 두께로 알루미늄을 코팅하는 것을 특징으로 하는 용융탄산염 연료전지 분리판의 표면처리방법.
  5. 제4항에 있어서, 상기 스프레이코팅에 의한 니켈층의 두께는 10-50㎛를 최적으로 하고, 알루미늄층의 두께는 20-100㎛를 최적으로 하는 것을 특징으로 하는 용융탄산염 연료전지 분리판의 표면처리방법.
  6. 제1항에 있어서, 상기 열처리는 650-900℃의 최적온도와 1-5시간의 최적시간동안 진행됨을 특징으로 하는 용융탄산염 연료전지 분리판의 표면처리 방법.
  7. 제1항에 있어서, 상기 열처리후 모재 표면층의 표면층의 조성은 알루미늄 몰비 25-75%, 니켈 몰비 25-75%임을 특징으로 하는 용융탄산염 연료전지 분리판의 표면처리방법.
KR1019960022387A 1996-05-31 1996-06-19 용융탄산염연료전지분리판의표면처리방법 KR100394777B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019960022387A KR100394777B1 (ko) 1996-06-19 1996-06-19 용융탄산염연료전지분리판의표면처리방법
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960022387A KR100394777B1 (ko) 1996-06-19 1996-06-19 용융탄산염연료전지분리판의표면처리방법

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KR980006586A true KR980006586A (ko) 1998-03-30
KR100394777B1 KR100394777B1 (ko) 2003-11-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100761645B1 (ko) * 2006-12-01 2007-10-04 서준택 니켈이 도금된 연료전지용 세퍼레이터 및 그 제조방법

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108123142B (zh) 2016-11-28 2022-01-04 财团法人工业技术研究院 抗腐蚀结构及包含其抗腐蚀结构的燃料电池
TWI641175B (zh) * 2016-11-28 2018-11-11 財團法人工業技術研究院 抗腐蝕結構及包含其之燃料電池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138663A (ja) * 1986-11-29 1988-06-10 Toshiba Corp 耐溶融炭酸塩腐食材料の製造方法
JPH0417267A (ja) * 1990-05-10 1992-01-22 Nisshin Steel Co Ltd 溶融炭酸塩型燃料電池のセパレータ板
JPH0652868A (ja) * 1992-06-19 1994-02-25 Sumitomo Special Metals Co Ltd 溶融炭酸塩型燃料電池用セパレータマスク材及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100761645B1 (ko) * 2006-12-01 2007-10-04 서준택 니켈이 도금된 연료전지용 세퍼레이터 및 그 제조방법

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