JP4937527B2 - 燃料電池用白金触媒及びこれを含む燃料電池 - Google Patents
燃料電池用白金触媒及びこれを含む燃料電池 Download PDFInfo
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- JP4937527B2 JP4937527B2 JP2005137751A JP2005137751A JP4937527B2 JP 4937527 B2 JP4937527 B2 JP 4937527B2 JP 2005137751 A JP2005137751 A JP 2005137751A JP 2005137751 A JP2005137751 A JP 2005137751A JP 4937527 B2 JP4937527 B2 JP 4937527B2
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
-
- 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
-
- 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
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8882—Heat treatment, e.g. drying, baking
-
- 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
-
- 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
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
-
- 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
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- 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
-
- 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)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Inert Electrodes (AREA)
- Catalysts (AREA)
- Fuel Cell (AREA)
Description
カソード:O2+4H++4e−→2H2O
アノード:H2→2H++2e−
全体反応:2H2+O2→2H2O
市販の炭素担体に担持された白金触媒(Pt/C)(Johnson matthey Co.炭素担体質量に対し、白金が10重量%含まれている)を、常温でN2及びH2混合ガス(N2:H2=1:3)の還元雰囲気下で2.5時間熱処理して、燃料電池用触媒を製造した。
熱処理温度を400℃に変更したことを除いては、比較例1と同一に実施した。
熱処理温度を500℃に変更したことを除いては、比較例1と同一に実施した。
熱処理温度を700℃に変更したことを除いては、比較例1と同一に実施した。
熱処理温度を800℃に変更したことを除いては、比較例1と同一に実施した。
熱処理温度を900℃に変更したことを除いては、比較例1と同一に実施した。
熱処理温度を1000℃に変更したことを除いては、比較例1と同一に実施した。
熱処理温度を1100℃に変更したことを除いては、比較例1と同一に実施した。
Claims (10)
- 還元雰囲気下において800〜900℃で熱処理された燃料電池用白金触媒であって、
硫酸水溶液中で実施されるサイクリックボルタンメトリー実験により、飽和カロメル電極を用いて測定された酸化還元電位(ORP)が430mV以上であり、
前記酸化還元電位(ORP)は、前記白金表面の酸素が還元される電位であることを特徴とする燃料電池用白金触媒。 - 前記酸化還元電位が430mV乃至560mVであることを特徴とする請求項1に記載の燃料電池用白金触媒。
- 前記白金は30乃至150Åの平均粒径を有することを特徴とする請求項1に記載の燃料電池用白金触媒。
- 前記還元雰囲気は、窒素、水素又はこれらの混合ガス雰囲気であることを特徴とする請求項1に記載の燃料電池用白金触媒。
- 前記熱処理工程は1乃至5時間実施することを特徴とする請求項1に記載の燃料電池用白金触媒。
- 電解質膜と;
前記電解質膜の両側に位置し、触媒層を被覆したカソード及びアノードと;を含む燃料電池であって、
前記触媒層は、還元雰囲気下において800〜900℃で熱処理された燃料電池用白金触媒を用い、硫酸水溶液中で実施されるサイクリックボルタンメトリー実験により、飽和カロメル電極を用いて測定された酸化還元電位(ORP)が430mV以上であり、
前記酸化還元電位(ORP)は、前記白金表面の酸素が還元される電位であることを特徴とする燃料電池。 - 前記酸化還元電位が430mV乃至560mVであることを特徴とする請求項6に記載の燃料電池。
- 前記白金は30乃至150Åの平均粒径を有することを特徴とする請求項7に記載の燃料電池。
- 前記還元雰囲気は、窒素、水素又はこれらの混合ガス雰囲気であることを特徴とする請求項6又は7に記載の燃料電池。
- 前記熱処理工程は1乃至5時間実施することを特徴とする請求項6又は7に記載の燃料電池。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040032963A KR100570689B1 (ko) | 2004-05-11 | 2004-05-11 | 연료 전지용 촉매 및 이를 포함하는 연료 전지 |
| KR2004-032963 | 2004-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005327721A JP2005327721A (ja) | 2005-11-24 |
| JP4937527B2 true JP4937527B2 (ja) | 2012-05-23 |
Family
ID=35349820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005137751A Expired - Fee Related JP4937527B2 (ja) | 2004-05-11 | 2005-05-10 | 燃料電池用白金触媒及びこれを含む燃料電池 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7931998B2 (ja) |
| JP (1) | JP4937527B2 (ja) |
| KR (1) | KR100570689B1 (ja) |
| CN (1) | CN100341181C (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070003822A1 (en) * | 2005-06-30 | 2007-01-04 | Shyam Kocha | Voltage cycling durable catalysts |
| KR100692917B1 (ko) * | 2006-02-17 | 2007-03-12 | 한국화학연구원 | 연료전지용 촉매 개발을 위한 전기화학 분석장치 및 방법 |
| JP2007317437A (ja) * | 2006-05-24 | 2007-12-06 | Toyota Motor Corp | 電池用電極触媒の性能評価方法、探索方法、電池用電極触媒及びその電極触媒を用いた燃料電池 |
| WO2011036749A1 (ja) * | 2009-09-24 | 2011-03-31 | 株式会社 東芝 | 集電部材、発電装置、および発電装置用集電部材の製造方法 |
| WO2011145225A1 (ja) * | 2010-05-18 | 2011-11-24 | トヨタ自動車株式会社 | 燃料電池用触媒の製造方法 |
| JP5759695B2 (ja) * | 2010-09-24 | 2015-08-05 | 株式会社キャタラー | 燃料電池用担持触媒の製造方法 |
| JP5384543B2 (ja) | 2011-03-04 | 2014-01-08 | 本田技研工業株式会社 | 燃料電池システム |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56155645A (en) | 1980-05-06 | 1981-12-01 | Hitachi Ltd | Preparation of noble metal catalyst |
| US4822699A (en) * | 1982-12-20 | 1989-04-18 | Engelhard Corporation | Electrocatalyst and fuel cell electrode using the same |
| US4447506A (en) * | 1983-01-17 | 1984-05-08 | United Technologies Corporation | Ternary fuel cell catalysts containing platinum, cobalt and chromium |
| JPS59184463A (ja) * | 1983-04-01 | 1984-10-19 | Hitachi Ltd | 燃料電池 |
| JPH064134B2 (ja) * | 1985-05-30 | 1994-01-19 | 株式会社日立製作所 | 貴金属触媒の製法 |
| JPH01210035A (ja) * | 1988-02-18 | 1989-08-23 | Tanaka Kikinzoku Kogyo Kk | 白金触媒とその製造方法 |
| US5189005A (en) | 1992-04-03 | 1993-02-23 | Tanaka Kikinzoku Kogyo K.K. | Electrocatalyst and process of preparing same |
| JPH08117598A (ja) * | 1994-10-19 | 1996-05-14 | Tanaka Kikinzoku Kogyo Kk | 高分子固体電解質型燃料電池用触媒 |
| JP3839961B2 (ja) | 1998-06-16 | 2006-11-01 | 田中貴金属工業株式会社 | 高分子固体電解質型燃料電池用触媒の製造方法 |
| JP3500086B2 (ja) * | 1999-03-01 | 2004-02-23 | 三洋電機株式会社 | 燃料電池用セル及びこれを用いた燃料電池 |
| US20010022960A1 (en) * | 2000-01-12 | 2001-09-20 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Hydrogen generating method and hydrogen generating apparatus |
| JP2002042825A (ja) | 2000-05-18 | 2002-02-08 | Matsushita Electric Ind Co Ltd | 燃料電池用電極触媒、その製造方法および燃料電池 |
| JP2002015745A (ja) | 2000-06-28 | 2002-01-18 | Asahi Glass Co Ltd | 固体高分子型燃料電池 |
| US6656870B2 (en) * | 2000-09-29 | 2003-12-02 | Osram Sylvania Inc. | Tungsten-containing fuel cell catalyst and method of making same |
| US6916575B2 (en) * | 2001-03-08 | 2005-07-12 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte type fuel cell |
| JP4801284B2 (ja) | 2001-07-03 | 2011-10-26 | 富士電機株式会社 | ガス供給ラインの圧力制御方法 |
| JP5281221B2 (ja) | 2001-08-03 | 2013-09-04 | トヨタ自動車株式会社 | 貴金属−卑金属合金系触媒とその評価および製造方法 |
| JP4963147B2 (ja) | 2001-09-17 | 2012-06-27 | 株式会社豊田中央研究所 | 燃料電池用電極触媒体およびその製造方法 |
| CN1262030C (zh) * | 2002-09-28 | 2006-06-28 | 中国科学院上海微系统与信息技术研究所 | 含助催化元素的铂/碳电催化剂及其制备方法 |
-
2004
- 2004-05-11 KR KR1020040032963A patent/KR100570689B1/ko not_active Expired - Lifetime
-
2005
- 2005-05-10 JP JP2005137751A patent/JP4937527B2/ja not_active Expired - Fee Related
- 2005-05-10 US US11/127,043 patent/US7931998B2/en active Active
- 2005-05-11 CN CNB2005100702221A patent/CN100341181C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US20050260483A1 (en) | 2005-11-24 |
| JP2005327721A (ja) | 2005-11-24 |
| US7931998B2 (en) | 2011-04-26 |
| CN100341181C (zh) | 2007-10-03 |
| KR100570689B1 (ko) | 2006-04-12 |
| KR20050108434A (ko) | 2005-11-16 |
| CN1697221A (zh) | 2005-11-16 |
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