KR101146349B1 - 금속지지체형 고체산화물 연료전지의 제조방법 - Google Patents
금속지지체형 고체산화물 연료전지의 제조방법 Download PDFInfo
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- KR101146349B1 KR101146349B1 KR1020100033163A KR20100033163A KR101146349B1 KR 101146349 B1 KR101146349 B1 KR 101146349B1 KR 1020100033163 A KR1020100033163 A KR 1020100033163A KR 20100033163 A KR20100033163 A KR 20100033163A KR 101146349 B1 KR101146349 B1 KR 101146349B1
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Classifications
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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
- H01M8/10—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
-
- 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
- H01M4/8885—Sintering or firing
- H01M4/8889—Cosintering or cofiring of a catalytic active layer with another type of layer
-
- 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
- H01M2008/1293—Fuel cells with solid oxide electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0068—Solid electrolytes inorganic
- H01M2300/0071—Oxides
- H01M2300/0074—Ion conductive at high temperature
- H01M2300/0077—Ion conductive at high temperature based on zirconium oxide
-
- 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
- H01M8/1213—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
-
- 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
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
- H01M8/1246—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
- H01M8/1253—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing zirconium oxide
-
- 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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- General Chemical & Material Sciences (AREA)
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- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Fuel Cell (AREA)
Abstract
Description
도 2는 2㎛의 두께를 갖는 그린 버퍼층이 구비된 미소결 상태의 단전지의 정상 운전시 성능을 측정한 결과를 도시한 것이며,
도 3은 반전지를 이용하여 측정한 ASR(area specific resistance) 값을 운전시간별로 측정 도시한 것이며,
도 4는 반전지의 버퍼층의 두께에 따른 전기화학 임피던스 측정결과를 도시한 것이다.
Claims (8)
- 삭제
- 금속지지체; 상기 금속 지지체 상부에 순차적으로 적층된 연료극층, 전해질층, 버퍼층 및 공기극층;을 포함하는 금속지지체형 고체산화물 연료전지의 제조방법에 관한 것으로,
연료극층과 전해질층이 적층 소결된 반전지셀과 금속지지체를 접합하는 단계;
상기 금속지지체와 접합된 반전지셀의 상기 전해질층 상부에 버퍼 슬러리를 도포하여 그린 버퍼층을 형성하는 단계;
상기 그린 버퍼층 상부에 공기극 슬러리를 도포하여 그린 공기극층을 형성하여 미소결 상태의 고체산화물 연료전지를 제조하는 단계; 및
상기 그린 버퍼층 및 상기 그린 공기극층이 소결되지 않은 상태에서 고체산화물 연료전지를 700 내지 900℃의 운전 온도로 가온하고 연료가스 및 공기를 공급하여 정상 운전하며, 상기 금속지지체형 고체산화물 연료전지의 정상 운전에 의해 상기 그린 버퍼층 및 상기 그린 공기극층을 동시(in-situ) 소결(sintering)하는 단계;
를 포함하여 수행되는 것을 특징으로 하는 금속지지체형 고체산화물 연료전지의 제조방법. - 제 2항에 있어서,
상기 버퍼 슬러리에 함유된 전해질 물질은 세리아(CeO2)계인 것을 특징으로 하는 금속지지체형 고체산화물 연료전지의 제조방법. - 제 3항에 있어서,
상기 전해질층은 이트륨 안정화 지르코니아(YSZ)이며, 상기 공기극 슬러리에 함유된 상기 공기극 물질은 BaaSrbCocFedO3-e인 것을 특징으로 하는 금속지지체형 고체산화물 연료전지의 제조방법.
(상기 a는 0<a<1이며, b는 0<b<1이며, c는 0<c<1이며, d는 0<d<1이며, e는 0<e<1이며 a+b=1이며, c+d=1이다) - 제 2항에 있어서,
상기 버퍼 슬러리에 함유된 전해질 물질의 평균 입자 크기는 0.1 내지 1㎛인 것을 특징으로 하는 금속지지체형 고체산화물 연료전지의 제조방법. - 제 2항에 있어서,
상기 그린 버퍼층의 두께는 1 내지 7㎛인 것을 특징으로 하는 금속지지체형 고체산화물 연료전지의 제조방법. - 제 2항에 있어서,
상기 공기극 슬러리에 함유된 공기극 물질의 평균 입자 크기는 1 내지 30㎛인 것을 특징으로 하는 금속지지체형 고체산화물 연료전지의 제조방법. - 삭제
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Families Citing this family (4)
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KR101883401B1 (ko) * | 2011-11-07 | 2018-07-31 | 재단법인 포항산업과학연구원 | 금속지지체형 고체산화물 연료전지의 제조방법 |
KR101353712B1 (ko) * | 2011-12-28 | 2014-01-21 | 주식회사 포스코 | 금속지지체형 고체산화물 연료전지의 제조방법 |
KR102301848B1 (ko) * | 2019-11-28 | 2021-09-14 | 한국세라믹기술원 | 가돌리늄이 치환된 세리아를 이용한 고체산화막 전해제련 양극 및 그 제조 방법과, 그 금속제련 장치 |
KR102514366B1 (ko) * | 2021-05-06 | 2023-03-27 | 울산과학기술원 | 동시 소결을 이용하여 형성한 금속 지지체형 고체산화물 연료전지 및 그 제조방법 |
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