JP4575330B2 - 燃料電池用アノード、その製造方法およびそれを備えた燃料電池 - Google Patents
燃料電池用アノード、その製造方法およびそれを備えた燃料電池 Download PDFInfo
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- JP4575330B2 JP4575330B2 JP2006155445A JP2006155445A JP4575330B2 JP 4575330 B2 JP4575330 B2 JP 4575330B2 JP 2006155445 A JP2006155445 A JP 2006155445A JP 2006155445 A JP2006155445 A JP 2006155445A JP 4575330 B2 JP4575330 B2 JP 4575330B2
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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
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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
- H01M4/88—Processes of manufacture
- H01M4/8817—Treatment of supports before application of the catalytic active composition
- H01M4/8821—Wet proofing
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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
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8828—Coating with slurry or ink
-
- 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
- H01M4/928—Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state
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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
- H01M4/96—Carbon-based 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
- 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
- H01M8/0234—Carbonaceous 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
- H01M8/023—Porous and characterised by the material
- H01M8/0241—Composites
- H01M8/0245—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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8684—Negative electrodes
-
- 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
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
-
- 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 & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Materials Engineering (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Description
(実施例1)
(実施例2)
(比較例1)
(比較例2)
Claims (13)
- 燃料拡散層および触媒層からなる燃料電池用アノードであって、
前記燃料拡散層が、多孔性炭素支持体と、前記多孔性炭素支持体の上面に形成されたカーボン系化合物からなる微孔性拡散層とからなり、
前記触媒層が前記微孔性拡散層の上部に形成され、
前記微孔性拡散層の前記カーボン系化合物のエネルギー分散型分光計(EDS)による元素分析値が90.22〜90.62質量%の炭素および9.38〜9.78質量%の酸素であることを特徴とする、燃料電池用アノード。 - 前記微孔性拡散層において、前記カーボン系化合物1gと脱イオン水10ccとを混合したスラリーのpH値が0.1〜4.1であることを特徴とする、請求項1に記載の燃料電池用アノード
- 前記カーボン系化合物がカーボンブラック、黒鉛、ガラス質炭素、活性木炭、炭素繊維、活性炭、炭素エアロゲルおよびそれらの混合物よりなる群のうちの少なくとも1つであることを特徴とする、請求項1に記載の燃料電池用アノード。
- カーボン系化合物を酸処理する段階と、
前記酸処理された結果物を水で洗浄し、凍結乾燥処理する段階と、
前記凍結乾燥された結果物を溶媒中に分散し、前記分散された結果物を多孔性炭素支持体上に塗布および乾燥して、微孔性拡散層を形成する段階と、
前記微孔性拡散層の上部に触媒層を形成する段階と、
を含み、
前記微孔性拡散層の前記カーボン系化合物のエネルギー分散型分光計(EDS)による元素分析値が90.22〜90.62質量%の炭素および9.38〜9.78質量%の酸素であることを特徴とする、燃料電池用アノードの製造方法。 - 前記酸処理に用いられる酸は、硝酸、硫酸、塩酸、酢酸よりなる群から選択された少なくとも1つの酸水溶液であり、前記酸の含有量は、カーボン系化合物100質量部を基準として0.01〜50質量部であることを特徴とする、請求項4に記載の燃料電池用アノードの製造方法。
- 前記酸水溶液の濃度が0.1〜5Mであることを特徴とする、請求項5に記載の燃料電池用アノードの製造方法。
- 前記凍結乾燥処理は、液体窒素で完全凍結乾燥する第1の段階と、前記完全凍結乾燥後に、零下60℃〜零下10℃で50mtorr未満の真空度で真空乾燥する第2の段階と、を含むことを特徴とする、請求項4に記載の燃料電池用アノードの製造方法。
- 前記酸処理の処理時間が1分〜200時間であり、前記凍結乾燥処理の処理時間が5〜2000時間であることを特徴とする、請求項4に記載の燃料電池用アノードの製造方法。
- 前記カーボン系化合物は、カーボンブラック、カーボンナノチューブ、メソ多孔性カーボン、炭素繊維および活性炭素よりなる群から選択された少なくとも1つであることを特徴とする、請求項4に記載の燃料電池用アノードの製造方法。
- 前記カーボン系化合物の前記多孔性炭素支持体に対する塗布量が0.1〜5mg/cm2であることを特徴とする、請求項4に記載の燃料電池用アノードの製造方法。
- 請求項4〜10のいずれか1項に記載の製造方法により製造されることを特徴とする、燃料電池用アノード。
- 前記アノードに含有される前記カーボン系化合物1gと脱イオン水10ccとを混合したスラリーのpH値が0.1〜4.1であることを特徴とする、請求項11に記載の燃料電池用アノード。
- 請求項1から3のいずれか1項に記載の燃料電池用アノードと、
燃料電池用カソードと、
電解質膜と
を備えることを特徴とする、燃料電池。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050113853A KR100708732B1 (ko) | 2005-11-26 | 2005-11-26 | 연료전지용 애노드, 그 제조방법 및 이를 구비한 연료전지 |
Publications (2)
Publication Number | Publication Date |
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JP2007149637A JP2007149637A (ja) | 2007-06-14 |
JP4575330B2 true JP4575330B2 (ja) | 2010-11-04 |
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JP2006155445A Expired - Fee Related JP4575330B2 (ja) | 2005-11-26 | 2006-06-02 | 燃料電池用アノード、その製造方法およびそれを備えた燃料電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7910259B2 (ja) |
JP (1) | JP4575330B2 (ja) |
KR (1) | KR100708732B1 (ja) |
CN (1) | CN100521316C (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024118536A1 (en) | 2022-11-29 | 2024-06-06 | Fina Technology, Inc. | Polypropylenes for additive manufacturing |
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KR100708732B1 (ko) | 2005-11-26 | 2007-04-17 | 삼성에스디아이 주식회사 | 연료전지용 애노드, 그 제조방법 및 이를 구비한 연료전지 |
US20100068592A1 (en) * | 2007-08-09 | 2010-03-18 | Matsushita Electric Industrial Co., Ltd. | Electrodes for use in hydrocarbon-based membrane electrode assemblies of direct oxidation fuel cells |
CN102683725B (zh) * | 2012-06-07 | 2014-07-23 | 中国科学院上海高等研究院 | 一种直接甲醇燃料电池膜电极集合体的制备方法 |
EP2875541B1 (en) * | 2012-07-19 | 2017-04-19 | Audi AG | Microporous layer with hydrophilic additives |
JP6356436B2 (ja) * | 2013-03-26 | 2018-07-11 | 本田技研工業株式会社 | 電解質膜・電極構造体 |
CN103490076B (zh) * | 2013-10-21 | 2015-06-03 | 哈尔滨工业大学 | 一种在多孔基底内表面高温制备针状金属Ni的方法 |
KR101811015B1 (ko) * | 2015-10-13 | 2017-12-21 | 인하대학교 산학협력단 | 대기공/중기공이 발현된 탄소나노재료의 제조방법 |
CN106824075A (zh) * | 2017-02-20 | 2017-06-13 | 江苏欧乐净化材料有限公司 | 一种高度氧化的氧化锰复合的气凝胶改性活性炭及其制备方法和应用 |
CN109046330A (zh) * | 2018-07-16 | 2018-12-21 | 辽宁大学 | 一种碳纳米管负载的氮掺杂石墨烯包覆的铂纳米复合材料及其制备方法和应用 |
KR20210155796A (ko) | 2021-12-06 | 2021-12-23 | 한국세라믹기술원 | 내구성이 우수한 연료전지용 카본계 촉매 및 그 제조 방법과, 이를 포함하는 고분자 전해질 연료전지 |
CN114824311B (zh) * | 2022-03-31 | 2024-07-02 | 东风汽车集团股份有限公司 | 一种气体扩散层的制备方法 |
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-
2005
- 2005-11-26 KR KR1020050113853A patent/KR100708732B1/ko not_active IP Right Cessation
-
2006
- 2006-05-31 CN CNB2006101060486A patent/CN100521316C/zh not_active Expired - Fee Related
- 2006-06-02 US US11/445,340 patent/US7910259B2/en not_active Expired - Fee Related
- 2006-06-02 JP JP2006155445A patent/JP4575330B2/ja not_active Expired - Fee Related
Patent Citations (2)
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JP2005108837A (ja) * | 2003-09-26 | 2005-04-21 | Samsung Sdi Co Ltd | 燃料電池用電極拡散層 |
JP2005267902A (ja) * | 2004-03-16 | 2005-09-29 | Aisin Seiki Co Ltd | 固体高分子型燃料電池 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024118536A1 (en) | 2022-11-29 | 2024-06-06 | Fina Technology, Inc. | Polypropylenes for additive manufacturing |
Also Published As
Publication number | Publication date |
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US20070122690A1 (en) | 2007-05-31 |
JP2007149637A (ja) | 2007-06-14 |
CN100521316C (zh) | 2009-07-29 |
KR100708732B1 (ko) | 2007-04-17 |
CN1971982A (zh) | 2007-05-30 |
US7910259B2 (en) | 2011-03-22 |
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