JP5634604B2 - 燃料電池用分離板およびその製造方法 - Google Patents
燃料電池用分離板およびその製造方法 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims description 62
- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 58
- 239000002184 metal Substances 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 53
- 238000005260 corrosion Methods 0.000 claims description 37
- 230000007797 corrosion Effects 0.000 claims description 37
- 239000011247 coating layer Substances 0.000 claims description 31
- 239000010410 layer Substances 0.000 claims description 31
- 238000000926 separation method Methods 0.000 claims description 28
- 239000010935 stainless steel Substances 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- 238000009832 plasma treatment Methods 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005108 dry cleaning Methods 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 238000002407 reforming Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 238000005240 physical vapour deposition Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000005518 polymer electrolyte Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
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- 239000012528 membrane Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 238000005406 washing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical group [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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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
- H01M8/0208—Alloys
-
- 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
-
- 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
-
- 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
-
- 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
- H01M8/0232—Metals or alloys
-
- 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
- H01M8/0241—Composites
- H01M8/0245—Composites in the form of layered or coated products
-
- 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
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Physical Vapour Deposition (AREA)
Description
18wt%のクロム成分を含むステンレススチール(SUS 316L)を用いて0.1t厚の金属分離板を製造し、前処理工程としてアセトンで5分間洗浄し、O2およびArを用いた低温プラズマ処理を5分間行った。
前記実施例1で行った全ての過程を同一に行うが、前処理工程後にCVD工程を用いて250μg/cm2のコーティング密度を有するAuコーティング層を形成した後で低温プラズマ処理を行った。
前記実施例1で行った全ての過程を同一に行うが、前処理工程後にPVD工程を用いて250μg/cm2のコーティング密度を有するPtコーティング層を形成した後で低温プラズマ処理を行った。
18wt%のクロム成分を含むステンレススチール(SUS 316L)を用いて0.1t厚の金属分離板を製造した。
比較例1と同一な金属分離板を製造し、前処理工程としてアセトンで5分間洗浄工程を行った。
比較例2と同一な金属分離板を製造し、前処理工程後にCVD工程を用いて250μg/cm2のコーティング密度を有するAuコーティング層を形成した。
比較例2と同一な金属分離板を製造し、前処理工程後にPVD工程を用いて250μg/cm2のコーティング密度を有するPtコーティング層を形成した。
Claims (13)
- ステンレススチール基板またはコーティング層を含むステンレススチール基板である燃料電池用分離板の表面が親水性を有するように、前記燃料電池用分離板の表面を低温プラズマ(Non−Thermal Plasma)処理を含む表面処理により、改質させ水流れ特性およびガス流れ特性をスムーズにさせるに先だって、常圧プラズマ洗浄法を用いた乾式洗浄を含む前処理を行うことを特徴とする燃料電池用分離板の製造方法。
- 前記低温プラズマ処理は、前記金属分離板の表面に酸素(O2)、窒素(N2)、水素(H2)及びアルゴン(Ar)から選ばれた一つ以上を含むプラズマを噴射することを特徴とする請求項1に記載の燃料電池用分離板の製造方法。
- 前記低温プラズマ処理は、1〜600秒間行われることを特徴とする請求項1に記載の燃料電池用分離板の製造方法。
- 前記低温プラズマ処理は、前記金属分離板の表面粗さがRa0.001〜1μmになるように行うことを特徴とする請求項1に記載の燃料電池用分離板の製造方法。
- (a)燃料電池用金属分離板を形成すること;
(b)前記金属分離板の表面を前処理すること;及び
(c)前記(b)の前処理された金属分離板の表面に低温プラズマ処理を施してプラズマ親水処理層を形成すること;
を含むことを特徴とする請求項1に記載の燃料電池用分離板の製造方法。 - 前記(b)前処理は、
(b−1)前記金属分離板の表面を湿式洗浄すること、及び
(b−2)前記金属分離板の表面を常圧プラズマ洗浄法を用いて乾式洗浄することを含むことを特徴とする請求項5に記載の燃料電池用分離板の製造方法。 - 前記(b−1)湿式洗浄は、アセトン又はエタノールを用いて5〜10分間行うことを特徴とする請求項6に記載の燃料電池用分離板の製造方法。
- 前記(b)前処理および前記(c)低温プラズマ処理の間に、前記金属分離板の表面にコーティング層を形成することをさらに含むことを特徴とする請求項6に記載の燃料電池用分離板の製造方法。
- 前記コーティング層は、乾式または湿式コーティング層であることを特徴とする請求項8に記載の燃料電池用分離板の製造方法。
- 請求項1〜9のいずれかの方法により製造し、耐食性、伝導性および水流れ特性が改質されたプラズマ親水処理層を有することを特徴とする燃料電池用分離板。
- 前記プラズマ親水処理層は、10mA/cm2(@0.9VNHE)以下の腐食電流である優れた耐食性、及び、25mΩcm 2 以下の接触抵抗である優れた伝導性を有することを特徴とする請求項10に記載の燃料電池用分離板。
- 前記プラズマ親水処理層は、表面接触角(Contact angle)が30°以下の親水性(水流れ特性)を有することを特徴とする請求項11に記載の燃料電池用分離板。
- 前記プラズマ親水処理層は、1〜10,000nmの厚さであることを特徴とする請求項10に記載の燃料電池用分離板。
Applications Claiming Priority (3)
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KR10-2010-0059880 | 2010-06-24 | ||
PCT/KR2010/004117 WO2011162431A1 (ko) | 2010-06-24 | 2010-06-24 | 연료전지용 분리판 및 그 제조 방법 |
KR20100059880A KR101172163B1 (ko) | 2010-06-24 | 2010-06-24 | 연료전지용 분리판 및 그 제조 방법 |
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US (2) | US20130095413A1 (ja) |
EP (1) | EP2587575A4 (ja) |
JP (1) | JP5634604B2 (ja) |
KR (1) | KR101172163B1 (ja) |
CN (1) | CN103003998B (ja) |
WO (1) | WO2011162431A1 (ja) |
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UA125279C2 (uk) * | 2014-10-06 | 2022-02-16 | Еос Енерджі Сторадж, Ллс | Вузол виводів для біполярного гальванічного елемента або акумулятора |
KR20160082632A (ko) * | 2014-12-26 | 2016-07-08 | 주식회사 포스코 | 고분자 연료전지용 분리판 및 그 제조방법 |
KR101724456B1 (ko) * | 2015-07-27 | 2017-04-07 | 현대자동차 주식회사 | 연료전지용 분리판의 코팅 방법 및 연료전지용 분리판 |
KR101729037B1 (ko) | 2015-12-17 | 2017-04-24 | 주식회사 포스코 | 친수성 및 내식성이 향상된 고분자 연료전지 분리판용 스테인리스강 및 이의 제조 방법 |
KR101742088B1 (ko) | 2015-12-23 | 2017-06-01 | 주식회사 포스코 | 친수성 및 접촉저항이 향상된 고분자 연료전지 분리판용 스테인리스강 및 이의 제조 방법 |
US10892524B2 (en) | 2016-03-29 | 2021-01-12 | Eos Energy Storage, Llc | Electrolyte for rechargeable electrochemical cell |
KR102326043B1 (ko) | 2019-12-19 | 2021-11-15 | 주식회사 포스코 | 내식성이 우수한 고분자 연료전지 분리판용 스테인리스강 |
CN114824337A (zh) * | 2022-03-20 | 2022-07-29 | 苏州世椿新能源技术有限公司 | 一种氢燃料双极板生产线 |
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EP0975040A1 (en) * | 1998-02-06 | 2000-01-26 | Nisshinbo Industries, Inc. | Separator for fuel cells and method of manufacturing the same |
TW591714B (en) * | 2002-02-20 | 2004-06-11 | Radiiontech Co Ltd | Cleaning apparatus using atmospheric pressure plasma |
JP4147925B2 (ja) * | 2002-12-04 | 2008-09-10 | トヨタ自動車株式会社 | 燃料電池用セパレータ |
US6866958B2 (en) * | 2002-06-05 | 2005-03-15 | General Motors Corporation | Ultra-low loadings of Au for stainless steel bipolar plates |
KR100759654B1 (ko) * | 2004-05-31 | 2007-09-17 | 마츠시타 덴끼 산교 가부시키가이샤 | 고분자 전해질형 연료 전지용 세퍼레이터, 고분자 전해질형연료 전지, 고분자 전해질형 연료 전지용 세퍼레이터의평가방법 및 고분자 전해질형 연료 전지용 세퍼레이터의제조방법 |
JP4974495B2 (ja) * | 2004-09-21 | 2012-07-11 | 勝 堀 | 燃料電池用セパレータ、燃料電池用電極構造、それらの製造方法、及びこれを備えた固体高分子型燃料電池 |
US7709145B2 (en) * | 2004-11-12 | 2010-05-04 | Gm Global Technology Operations, Inc. | Hydrophilic surface modification of bipolar plate |
JP5045867B2 (ja) * | 2005-05-23 | 2012-10-10 | 日清紡ホールディングス株式会社 | 燃料電池セパレータ |
US20070003813A1 (en) * | 2005-06-30 | 2007-01-04 | General Motors Corporation | Stable conductive and hydrophilic fuel cell contact element |
US8603703B2 (en) * | 2006-07-26 | 2013-12-10 | GM Global Technology Operations LLC | Method for making super-hydrophilic and electrically conducting surfaces for fuel cell bipolar plates |
US8455155B2 (en) * | 2006-11-22 | 2013-06-04 | GM Global Technology Operations LLC | Inexpensive approach for coating bipolar plates for PEM fuel cells |
US20090092874A1 (en) * | 2007-10-04 | 2009-04-09 | Gm Global Technology Operations, Inc. | Stable hydrophilic coating for fuel cell collector plates |
JP2009224151A (ja) * | 2008-03-14 | 2009-10-01 | Nissan Motor Co Ltd | 燃料電池セパレータ |
JP5175590B2 (ja) * | 2008-03-26 | 2013-04-03 | 株式会社神戸製鋼所 | 燃料電池用セパレータ及びその製造方法 |
US8497050B2 (en) * | 2008-07-29 | 2013-07-30 | GM Global Technology Operations LLC | Amorphous carbon coatings for fuel cell bipolar plates |
US8304143B2 (en) * | 2008-11-25 | 2012-11-06 | GM Global Technology Operations LLC | Conductive and hydrophilic coating for PEMFC bipolar plate |
JP2011216222A (ja) * | 2010-03-31 | 2011-10-27 | Jx Nippon Mining & Metals Corp | 燃料電池用セパレータ材料、それを用いた燃料電池用セパレータ及び燃料電池スタック、並びに燃料電池用セパレータ材料の製造方法 |
-
2010
- 2010-06-24 WO PCT/KR2010/004117 patent/WO2011162431A1/ko active Application Filing
- 2010-06-24 JP JP2013516483A patent/JP5634604B2/ja active Active
- 2010-06-24 US US13/805,883 patent/US20130095413A1/en not_active Abandoned
- 2010-06-24 KR KR20100059880A patent/KR101172163B1/ko active IP Right Grant
- 2010-06-24 CN CN201080067698.9A patent/CN103003998B/zh active Active
- 2010-06-24 EP EP10853714.3A patent/EP2587575A4/en not_active Withdrawn
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2015
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KR101172163B1 (ko) | 2012-08-07 |
EP2587575A4 (en) | 2014-07-23 |
EP2587575A1 (en) | 2013-05-01 |
JP2013535082A (ja) | 2013-09-09 |
US20130095413A1 (en) | 2013-04-18 |
WO2011162431A1 (ko) | 2011-12-29 |
CN103003998A (zh) | 2013-03-27 |
US20150125620A1 (en) | 2015-05-07 |
CN103003998B (zh) | 2016-08-17 |
KR20110139825A (ko) | 2011-12-30 |
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