KR102123712B1 - 산화물 입자, 이를 포함하는 공기극 및 이를 포함하는 연료 전지 - Google Patents
산화물 입자, 이를 포함하는 공기극 및 이를 포함하는 연료 전지 Download PDFInfo
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- KR102123712B1 KR102123712B1 KR1020160065673A KR20160065673A KR102123712B1 KR 102123712 B1 KR102123712 B1 KR 102123712B1 KR 1020160065673 A KR1020160065673 A KR 1020160065673A KR 20160065673 A KR20160065673 A KR 20160065673A KR 102123712 B1 KR102123712 B1 KR 102123712B1
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
- H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
- H01M4/9033—Complex oxides, optionally doped, of the type M1MeO3, M1 being an alkaline earth metal or a rare earth, Me being a metal, e.g. perovskites
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- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
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- H01—ELECTRIC ELEMENTS
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- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
- H01M4/8668—Binders
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- H01M4/90—Selection of catalytic material
- H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
- H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
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- 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
- H01M8/1231—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte with both reactants being gaseous or vaporised
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
- H01M8/126—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 cerium oxide
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- 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
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- 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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- Y02E60/525—
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
Description
도 2는 공기극으로 BiBF(Bithmuth Barium Iron Oxide)를 사용한 고체 산화물 연료 전지의 주사 전자현미경(SEM) 측정 사진이다.
| 성분 (mol%) | |
| 실시예 1 | (Bi0 . 5Ba0 .5)-Fe- O3 |
| 비교예 1 | (La0.6Sr0.4)-(Co0.2F0.8)-O3 |
| 비교예 2 | (Bi0 . 5Sr0 .5)-Fe- O3 |
| 비교예 3 | (Bi0 . 1Ba0 .9)-Fe- O3 |
| 온도 | ASR ( Ωcm 2 ) | |||
| 비교예 1 | 비교예 2 | 비교예 3 | 실시예 1 | |
| 650℃ | 0.68 | 0.48 | 0.44 | 0.28 |
| 600℃ | 1.60 | 1.04 | 1.11 | 0.70 |
| 550℃ | 3.88 | 3.11 | 2.57 | 1.70 |
| 물질 | CTE (10-6/K) |
| 전해액(Electrolyte) | 8-12 |
| LSCF | 14-16 |
| BiSF | 13 |
Claims (11)
- 하기 화학식 1로 표시되고, 페로브스카이트형 구조를 가지는 산화물 입자 및 바인더를 7:3 내지 3:7의 중량비로 포함하고,
면저항(ASR)은 600 ℃ 내지 700 ℃ 조건에서 0.1 Ωcm2 내지 1 Ωcm2 범위인 것인 공기극 조성물:
[화학식 1]
Bix(M1)1-xEO3-δ
상기 화학식 1에서,
0.2<x<0.8이고,
M1은 바륨(Ba), 나트륨(Na), 칼륨(K), 및 가돌리늄(Gd)으로 이루어진 군에서 선택된 1 이상의 원소이며,
E는 마그네슘(Mg), 알루미늄(Al), 바나듐(V), 갈륨(Ga), 게르마늄(Ge), 나이오븀(Nb), 몰리브데넘(Mo), 인듐(In), 주석(Sn), 하프늄(Hf), 탄탈럼(Ta), 텅스텐(W), 티타늄(Ti), 크롬(Cr), 망간(Mn), 니켈(Ni), 코발트(Co), 구리(Cu), 아연(Zn), 니오븀(Nb), 홀뮴(Ho), 어븀(Er), 툴륨(Tr), 이터븀(Yb), 및 철(Fe)로 이루어진 군에서 선택된 1 이상의 원소이고,
δ는 상기 산화물 입자를 전기적인 중성으로 만들어 주는 값이다. - 청구항 1에 있어서, 상기 M1은 바륨(Ba) 원소인 것인 공기극 조성물.
- 청구항 1에 있어서, E는 철(Fe) 원소인 것인 공기극 조성물.
- 청구항 1에 있어서, 상기 화학식 1은 Bi0.5Ba0.5FeO3로 표시되는 것인 공기극 조성물.
- 청구항 1에 있어서, 상기 산화물 입자의 열팽창계수는 11×10-6/C 내지 13×10-6/C 범위인 것인 공기극 조성물.
- 삭제
- 삭제
- 청구항 1에 있어서, 상기 공기극 조성물은 용매, 분산제 및 가소제 중 적어도 하나를 더 포함하는 것인 공기극 조성물.
- 청구항 1 내지 5 및 8 중 어느 한 항에 따른 공기극 조성물로부터 형성된 공기극.
- 청구항 9의 공기극;
연료극; 및
상기 공기극 및 연료극 사이에 구비되는 전해질을 포함하는 연료 전지. - 청구항 10의 연료전지를 단위 전지로 포함하는 전지 모듈.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150074116 | 2015-05-27 | ||
| KR20150074116 | 2015-05-27 |
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| Publication Number | Publication Date |
|---|---|
| KR20160140496A KR20160140496A (ko) | 2016-12-07 |
| KR102123712B1 true KR102123712B1 (ko) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020160065673A Active KR102123712B1 (ko) | 2015-05-27 | 2016-05-27 | 산화물 입자, 이를 포함하는 공기극 및 이를 포함하는 연료 전지 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20180159142A1 (ko) |
| KR (1) | KR102123712B1 (ko) |
| CN (1) | CN107646151B (ko) |
| WO (1) | WO2016190699A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016200206A1 (ko) * | 2015-06-11 | 2016-12-15 | 주식회사 엘지화학 | 공기극 조성물, 공기극 및 이를 포함하는 연료 전지 |
| CN110112424B (zh) * | 2019-04-18 | 2022-05-03 | 电子科技大学 | 一种乙醇燃料电池阳极及其制备方法 |
| CN110994009B (zh) * | 2019-12-20 | 2023-03-21 | 云南大学 | 一种用于制备固体电解质材料的烧结装置及其烧结方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6946213B2 (en) * | 2003-04-28 | 2005-09-20 | Nextech Materials, Ltd. | Perovskite electrodes and method of making the same |
| KR100538555B1 (ko) | 2003-08-25 | 2005-12-23 | 한국에너지기술연구원 | 연료극 지지체식 평관형 고체산화물 연료전지 스택과 그제조 방법 |
| US9343746B2 (en) * | 2008-10-14 | 2016-05-17 | University Of Florida Research Foundation, Inc. | Advanced materials and design for low temperature SOFCs |
| KR20120080375A (ko) * | 2011-01-07 | 2012-07-17 | 삼성전자주식회사 | 연료전지용 양극 소재, 이를 포함하는 연료전지용 양극과 그 양극의 제조방법, 및 고체산화물 연료전지 |
| KR20150019895A (ko) * | 2013-08-16 | 2015-02-25 | 주식회사 엘지화학 | 연료전지 공기극 조성물 및 이의 제조방법 |
| CN103985880A (zh) * | 2014-06-04 | 2014-08-13 | 哈尔滨工业大学 | 一种BaFeO3-δ基B位Bi2O3掺杂的固体氧化物燃料电池阴极材料及其制备方法和应用 |
-
2016
- 2016-05-27 CN CN201680030430.5A patent/CN107646151B/zh active Active
- 2016-05-27 US US15/576,443 patent/US20180159142A1/en not_active Abandoned
- 2016-05-27 WO PCT/KR2016/005624 patent/WO2016190699A1/ko not_active Ceased
- 2016-05-27 KR KR1020160065673A patent/KR102123712B1/ko active Active
Non-Patent Citations (2)
| Title |
|---|
| Acta Physica Sinica-Chinese Edition. Vol.60, No.2, p25201 (2011)* |
| Electrochemistry Communications. Vol.13, p1340-1343 (2011.8.10.)* |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107646151A (zh) | 2018-01-30 |
| WO2016190699A1 (ko) | 2016-12-01 |
| KR20160140496A (ko) | 2016-12-07 |
| US20180159142A1 (en) | 2018-06-07 |
| CN107646151B (zh) | 2020-12-25 |
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