KR102810941B1 - 내식성이 우수한 금속기판의 탄소 코팅층 형성방법, 이를 이용하여 제조되는 금속기판 - Google Patents
내식성이 우수한 금속기판의 탄소 코팅층 형성방법, 이를 이용하여 제조되는 금속기판 Download PDFInfo
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- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
- B32B38/004—Heat treatment by physically contacting the layers, e.g. by the use of heated platens or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
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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
- H01M8/0213—Gas-impermeable carbon-containing materials
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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
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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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- Metallurgy (AREA)
- Mechanical Engineering (AREA)
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Abstract
Description
도 2는 본 발명에 따른 저가압(0.01 내지 1 MPa) 밀착에 의해 금속기판에 탄소 코팅층을 형성하는 방법을 나타내는 설명도이다.
도 3은 본 발명에 따라 그라파이트 탄소재와 STS 금속기재를 밀착 가압 전후의 표면 상태를 나타내는 비교 사진이다.
도 4는 본 발명에 따른 제1실시예의 탄소 코팅층 절단면의 확대 사진이다.
도 5는 본 발명에 따른 제2실시예의 탄소 코팅층 절단면의 확대 사진이다.
도 6은 본 발명에 따른 제2실시예의 탄소 코팅층의 XRD 분석그래프이다.
Claims (12)
- 챔버 내부에서 금속기판과 일정 단면적을 가지는 탄소재를 접합시켜 접합면을 형성하는 단계;
상기 챔버 내부가 진공 분위기 및 600 내지 1200 ℃인 상태에서,
상기 금속기판과 상기 탄소재를 1 내지 150 MPa으로 밀착 가압하여, 상기 탄 소재와 상기 금속기판 간 확산접합에 의해 상기 접합면에 탄소 코팅층이 형성되는 단계;
및 상기 탄소재를 상기 탄소 코팅층으로부터 분리시키는 단계;를 포함하며,
상기 금속기판은 스테인레스 강이며;
상기 탄소재는 그라파이트(graphite) 또는 그래핀(graphene)이며;
상기 탄소 코팅층은 카바이드 리치(carbide rich)층을 포함하고;
상기 탄소 코팅층은 그라파이트(graphite) 또는 그래핀(graphene) 중 적어도 하나 이상을 더 포함하는 코팅층이며;
상기 탄소 코팅층의 두께는 0.005 내지 1,500 μm인,
금속기판의 탄소 코팅층 형성방법.
- 챔버 내부에서 금속기판과 일정 단면적을 가지는 탄소재를 접합시켜 접합면을 형성하는 단계;
상기 챔버 내부가 진공 분위기 및 600 내지 1200 ℃인 상태에서,
상기 금속기판과 상기 탄소재를 0.01 내지 1MPa으로 밀착 가압하여, 상기 탄소재와 상기 금속기판 간 상호확산에 의해 탄소 코팅층이 형성되는 단계;
및 상기 탄소재를 상기 탄소 코팅층으로부터 분리시키는 단계;를 포함하며,
상기 금속기판은 스테인레스 강이며;
상기 탄소재는 그라파이트(graphite) 또는 그래핀(graphene)이며;
상기 탄소 코팅층은 카바이드 리치(carbide rich)층을 포함하고;
상기 탄소 코팅층은 그래핀(graphene), 그래핀 나노플레이트(graphene nanoplatelet) 또는 그라파이트(graphite) 중 적어도 하나 이상을 더 포함하는 코팅층이며;
상기 탄소 코팅층의 두께는 0.005 내지 1,500 μm인,
금속기판의 탄소 코팅층 형성방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1항 및 제2항 중 어느 한 항에 따른 금속기판의 탄소 코팅층 형성방법을 이용하여 표면에 탄소 코팅층이 형성된 금속기판.
- 제10항에 따른 금속기판을 포함하는 연료전지용 세퍼레이터.
- 제10항에 따른 금속기판을 포함하는 수전해 분리용 세퍼레이터.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020220054971A KR102810941B1 (ko) | 2022-05-03 | 2022-05-03 | 내식성이 우수한 금속기판의 탄소 코팅층 형성방법, 이를 이용하여 제조되는 금속기판 |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020220054971A KR102810941B1 (ko) | 2022-05-03 | 2022-05-03 | 내식성이 우수한 금속기판의 탄소 코팅층 형성방법, 이를 이용하여 제조되는 금속기판 |
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| Publication Number | Publication Date |
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| KR20230155276A KR20230155276A (ko) | 2023-11-10 |
| KR102810941B1 true KR102810941B1 (ko) | 2025-05-22 |
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| KR1020220054971A Active KR102810941B1 (ko) | 2022-05-03 | 2022-05-03 | 내식성이 우수한 금속기판의 탄소 코팅층 형성방법, 이를 이용하여 제조되는 금속기판 |
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| KR20250075354A (ko) * | 2023-11-21 | 2025-05-28 | 현대제철 주식회사 | 금속분리판 및 이의 제조방법 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080166621A1 (en) * | 2005-02-08 | 2008-07-10 | Toyota Jidosha Kabushiki Kaisha | Fuel Cell Separator |
| KR101394701B1 (ko) * | 2012-05-21 | 2014-05-15 | 현대하이스코 주식회사 | 불순물 도핑된 탄소 코팅층을 이용한 연료전지용 금속 분리판 및 그 제조 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101035279B1 (ko) | 2008-11-05 | 2011-05-18 | 주식회사 포스코 | 강판 표면처리용 수지 조성물 및 이를 이용한 표면처리 강판 |
| DE102009014407A1 (de) | 2009-03-28 | 2010-10-21 | Sgl Technologies Gmbh | Klebstofffreie, temperatur- und reaktionsstabile Haftverbindung zwischen Metallen und Graphit |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080166621A1 (en) * | 2005-02-08 | 2008-07-10 | Toyota Jidosha Kabushiki Kaisha | Fuel Cell Separator |
| KR101394701B1 (ko) * | 2012-05-21 | 2014-05-15 | 현대하이스코 주식회사 | 불순물 도핑된 탄소 코팅층을 이용한 연료전지용 금속 분리판 및 그 제조 방법 |
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