[특허]Anode with remarkable stability under conditions of extreme fuel starvation

Anode with remarkable stability under conditions of extreme fuel starvation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-008/10 B05D-001/00 H01M-004/90 H01M-004/86 H01M-004/88 H01M-008/1253 H01M-008/124
출원번호	US-0270686 (2014-05-06)
등록번호	US-9812714 (2017-11-07)
발명자 / 주소	El Batawi, Emad
출원인 / 주소	BLOOM ENERGY CORPORATION
대리인 / 주소	The Marbury Law Group PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 89

초록 ▼

A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode having a first region located adjacent to a fuel inlet and a second region located adjacent to a fuel outlet. The anode electrode includes a cermet having a nickel containing phase and a ceramic phase. The first region of the anode electrode contains a lower ratio of the nickel containing phase to the ceramic phase than the second region of the anode electrode.

대표청구항 ▼

1. A solid oxide fuel cell (SOFC), comprising: a solid oxide electrolyte comprising a fuel inlet and a fuel outlet;a cathode electrode disposed on the electrolyte; andan anode electrode disposed on the electrolyte and comprising a cermet comprising a nickel containing phase and a ceramic phase,wherein a ratio of the nickel containing phase to the ceramic phase in the anode electrode increases in a fuel flow direction from the fuel inlet to the fuel outlet. 2. The SOFC of claim 1, wherein the fuel flow direction is substantially parallel to an interface between the anode electrode and the electrolyte. 3. The SOFC of claim 1, wherein the ceramic phase comprises a Sm, Gd or Y doped ceria phase. 4. The SOFC of claim 3, wherein the doped ceria phase composition comprises Ce(1-x)AxO2 where A comprises at least one of Sm, Gd, or Y, and x is greater than 0.1 but less than 0.4. 5. The SOFC of claim 4, wherein the doped ceria phase comprises a Sm doped ceria phase. 6. The SOFC of claim 3, wherein the electrolyte comprises scandia stabilized zirconia. 7. A method of making a SOFC, comprising: forming a cathode electrode on a first side of a planar solid oxide electrolyte comprising a fuel inlet and a fuel outlet; andforming a graded cermet anode electrode comprising a nickel containing phase and a doped ceria containing phase on a second side of the planar solid oxide electrode, such that a ratio of the nickel containing phase to the ceramic phase in the anode electrode increases in a fuel flow direction from the fuel inlet to the fuel outlet. 8. The method of claim 7, wherein fuel flow direction is substantially parallel to an interface between the anode electrode and the electrolyte. 9. The method of claim 7, wherein the ceramic phase comprises a Sm, Gd or Y doped ceria phase. 10. The method of claim 9, wherein the doped ceria phase composition comprises Ce(1-x)AxO2 where A comprises at least one of Sm, Gd, or Y, and x is greater than 0.1 but less than 0.4. 11. The method of claim 10, wherein the doped ceria phase comprises a Sm doped ceria phase. 12. The method of claim 9, wherein the electrolyte comprises scandia stabilized zirconia. 13. The method of claim 7, wherein the fuel inlet comprises a fuel inlet riser opening in the electrolyte and the fuel outlet opening comprises a fuel outlet opening in the electrolyte. 14. The SOFC of claim 1, wherein the fuel inlet comprises a fuel inlet riser opening in the electrolyte and the fuel outlet opening comprises a fuel outlet opening in the electrolyte.

이 특허에 인용된 특허 (89)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Anode with remarkable stability under conditions of extreme fuel starvation 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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연합인증

Anode with remarkable stability under conditions of extreme fuel starvation 원문보기

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연구과제 타임라인

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