JP4980906B2 - 抵抗変化電極構造 - Google Patents
抵抗変化電極構造 Download PDFInfo
- Publication number
- JP4980906B2 JP4980906B2 JP2007525002A JP2007525002A JP4980906B2 JP 4980906 B2 JP4980906 B2 JP 4980906B2 JP 2007525002 A JP2007525002 A JP 2007525002A JP 2007525002 A JP2007525002 A JP 2007525002A JP 4980906 B2 JP4980906 B2 JP 4980906B2
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- electrode
- cell
- current collector
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- thickness
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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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
-
- 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
- H01M8/002—Shape, form of a fuel cell
-
- 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
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/2425—High-temperature cells with solid electrolytes
- H01M8/2428—Grouping by arranging unit cells on a surface of any form, e.g. planar or tubular
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/2425—High-temperature cells with solid electrolytes
- H01M8/2432—Grouping of unit cells of planar configuration
-
- 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
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
- H01M4/8636—Inert electrodes with catalytic activity, e.g. for fuel cells with a gradient in another property than porosity
-
- 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
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M8/1286—Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
1) システムの現用寿命を延ばす、
2) 比電力がより高い場合に、より高温での動作を可能にする、及び
3) 動作中の温度管理の束縛条件を緩和する、
という利点がある。
1) 貴金属の使用が必要であっても、量が最小限に抑えられ、同時に性能が最大化される、
2) 電解質108の単位面積あたりの、またはグリッドアレイの単セル610あたりの、バイアホール114の数、あるいは単セル上の引出し点の数が低減される、
3) 現行技術で容易に製作される電極幅10の使用が可能になる、
という特定の利点を有する。
・バイアパッド構造205a及び205bを有する電流コレクタ層222及び226は、バイアパッド構造205a及び205bが、バイア充填材料203のように、酸化状態及び還元状態のいずれとも直に接することはないから、改善された特性または向上した経済性を有する広範な代替材料でつくることができる;
・電気導体204は広範な材料の使用を可能にする構造を提供する。例えば、従来の銀合金電気導体を、ごく少量の高価な白金合金をバイア充填材料203として提供し、次いでバイアパッド構造205a及び205bを銀−パラジウムのようなそれほど高価ではない合金でつくることにより、白金を含有する貴金属合金で経済的に置き換えることができる;
・負極210側及び正極212側のバイアパッド構造205a及び205bには、様々な、形状寸法(例えば鐘形)、構造及び材料を選択することができる。例えば、可能な限り薄くしたバイアパッド構造205a及び205bは、望ましくない熱量蓄積を最小限に抑えるに役立ち得る;
ことである。
・バイア充填材料203:貴金属合金、サーメット。例えば、Au-Pt-Pdまたは少量のMgまたはSrドープLaCrO3を含むAu-Pt-Pd;
・電解質シート208:イットリアドープジルコニア(YSZ),酸化ガドリニウムドープ酸化セリウム(GDC),ドープトガリウム酸ランタン{(MgOドープ)LaGaO3},希土類ドープジルコニウム,希土類及びイットリアドープ酸化ビスマス,ドープトアルミン酸ランタン{(MgOドープ)LaAlO3},及びチタン酸パイロクロア;
・負極バイアパッド構造205a:Ni/YSZサーメット,Ag合金,40体積%YSZを含む90%Ag-10%PdのようなAg合金サーメット;
・正極バイアパッド構造205b:SrドープLaMnO3(LSM),LSM/YSZ,SrドープLaCoO3(LSC),銀合金,銀サーメット,必要に応じて1層のLSMバリア層を有する貴金属合金及びサーメット;
である。
100 燃料電池
104 電気導体
108 電解質シート
112,212,612,712 電荷転送部材
222,226 電流コレクタ
605 導電部材
Claims (5)
- 燃料電池装置の電極構造において、前記電極構造が、
電荷転送部材(112,212,612,712)、及び
前記電荷転送部材上に配置された導電部材(605)であって、前記電荷転送部材の頂部上に配置された電流コレクタ(222,226)を含む、導電部材、
を有し、
前記電流コレクタが、電流結合を最適化するために、放射状に延びる複数の突出部を有するとともに前記電荷転送部材の頂部を露出させる非一様切取りパターンの形態に構成される、
ことを特徴とする電極構造。 - 前記導電部材が第1のセルの前記電流コレクタを第2のセルに相互接続するためのバイアコンタクト(5)をさらに有することを特徴とする請求項1に記載の電極構造。
- 前記電流コレクタの厚さが一様ではないことを特徴とする請求項1または2に記載の電極構造。
- 前記電荷転送部材がストロンチウムドープマンガン酸ランタンを含むことを特徴とする請求項1から3のいずれかに記載の電極構造。
- 前記電流コレクタが、白金、銀、パラジウム、金、ロジウム、ニッケル、銅及びイリジウムからなる群から選ばれる組成を有することを特徴とする請求項1から4のいずれかに記載の電極構造。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/912,036 | 2004-08-04 | ||
US10/912,036 US7588856B2 (en) | 2004-08-04 | 2004-08-04 | Resistive-varying electrode structure |
PCT/US2005/027785 WO2006017677A1 (en) | 2004-08-04 | 2005-08-03 | Resistive-varying electrode structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008509530A JP2008509530A (ja) | 2008-03-27 |
JP4980906B2 true JP4980906B2 (ja) | 2012-07-18 |
Family
ID=35757789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007525002A Expired - Fee Related JP4980906B2 (ja) | 2004-08-04 | 2005-08-03 | 抵抗変化電極構造 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7588856B2 (ja) |
EP (1) | EP1797608A4 (ja) |
JP (1) | JP4980906B2 (ja) |
KR (1) | KR20070049198A (ja) |
CN (1) | CN1993847A (ja) |
AU (1) | AU2005271392A1 (ja) |
BR (1) | BRPI0514046A (ja) |
CA (1) | CA2575572A1 (ja) |
MX (1) | MX2007001511A (ja) |
WO (1) | WO2006017677A1 (ja) |
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-
2004
- 2004-08-04 US US10/912,036 patent/US7588856B2/en not_active Expired - Fee Related
-
2005
- 2005-08-03 JP JP2007525002A patent/JP4980906B2/ja not_active Expired - Fee Related
- 2005-08-03 BR BRPI0514046-3A patent/BRPI0514046A/pt not_active Application Discontinuation
- 2005-08-03 AU AU2005271392A patent/AU2005271392A1/en not_active Abandoned
- 2005-08-03 MX MX2007001511A patent/MX2007001511A/es unknown
- 2005-08-03 WO PCT/US2005/027785 patent/WO2006017677A1/en active Application Filing
- 2005-08-03 EP EP05779048A patent/EP1797608A4/en not_active Withdrawn
- 2005-08-03 KR KR1020077005266A patent/KR20070049198A/ko not_active Application Discontinuation
- 2005-08-03 CN CNA200580026409XA patent/CN1993847A/zh active Pending
- 2005-08-03 CA CA002575572A patent/CA2575572A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
MX2007001511A (es) | 2007-04-17 |
JP2008509530A (ja) | 2008-03-27 |
EP1797608A1 (en) | 2007-06-20 |
AU2005271392A1 (en) | 2006-02-16 |
WO2006017677A1 (en) | 2006-02-16 |
EP1797608A4 (en) | 2009-06-24 |
CN1993847A (zh) | 2007-07-04 |
US7588856B2 (en) | 2009-09-15 |
BRPI0514046A (pt) | 2008-05-27 |
KR20070049198A (ko) | 2007-05-10 |
US20060029860A1 (en) | 2006-02-09 |
CA2575572A1 (en) | 2006-02-16 |
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