KR101576314B1 - 높은 전력과 높은 기계적 강도를 갖는 저렴한 전해질 지지형 고온 연료 전지용 전해질 - Google Patents
높은 전력과 높은 기계적 강도를 갖는 저렴한 전해질 지지형 고온 연료 전지용 전해질 Download PDFInfo
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 112
- 239000000446 fuel Substances 0.000 title claims abstract description 44
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 37
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 claims abstract description 14
- FIXNOXLJNSSSLJ-UHFFFAOYSA-N ytterbium(III) oxide Inorganic materials O=[Yb]O[Yb]=O FIXNOXLJNSSSLJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005245 sintering Methods 0.000 claims description 34
- 238000005452 bending Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 13
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- 239000002245 particle Substances 0.000 claims description 10
- 239000002019 doping agent Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000000635 electron micrograph Methods 0.000 claims description 6
- 238000000691 measurement method Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims 1
- 229910052769 Ytterbium Inorganic materials 0.000 abstract description 7
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 54
- 229910045601 alloy Inorganic materials 0.000 description 21
- 239000000956 alloy Substances 0.000 description 21
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 17
- 239000000203 mixture Substances 0.000 description 14
- 239000000843 powder Substances 0.000 description 14
- 229910000420 cerium oxide Inorganic materials 0.000 description 12
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 9
- 229910002080 8 mol% Y2O3 fully stabilized ZrO2 Inorganic materials 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 8
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 8
- 239000002346 layers by function Substances 0.000 description 8
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 229910017060 Fe Cr Inorganic materials 0.000 description 6
- 229910002544 Fe-Cr Inorganic materials 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002003 electrode paste Substances 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- HJGMWXTVGKLUAQ-UHFFFAOYSA-N oxygen(2-);scandium(3+) Chemical compound [O-2].[O-2].[O-2].[Sc+3].[Sc+3] HJGMWXTVGKLUAQ-UHFFFAOYSA-N 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium(III) oxide Inorganic materials O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 6
- 229910002467 CrFe Inorganic materials 0.000 description 5
- WUOACPNHFRMFPN-UHFFFAOYSA-N alpha-terpineol Chemical compound CC1=CCC(C(C)(C)O)CC1 WUOACPNHFRMFPN-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
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- -1 hydrogen ions Chemical class 0.000 description 5
- 229910002075 lanthanum strontium manganite Inorganic materials 0.000 description 5
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- 239000001856 Ethyl cellulose Substances 0.000 description 4
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 4
- YMVZSICZWDQCMV-UHFFFAOYSA-N [O-2].[Mn+2].[Sr+2].[La+3] Chemical compound [O-2].[Mn+2].[Sr+2].[La+3] YMVZSICZWDQCMV-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229920001249 ethyl cellulose Polymers 0.000 description 4
- 235000019325 ethyl cellulose Nutrition 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910000428 cobalt oxide Inorganic materials 0.000 description 3
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
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- 239000012905 visible particle Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910019589 Cr—Fe Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- FVROQKXVYSIMQV-UHFFFAOYSA-N [Sr+2].[La+3].[O-][Mn]([O-])=O Chemical compound [Sr+2].[La+3].[O-][Mn]([O-])=O FVROQKXVYSIMQV-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
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- 239000002001 electrolyte material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- RJOJUSXNYCILHH-UHFFFAOYSA-N gadolinium(3+) Chemical compound [Gd+3] RJOJUSXNYCILHH-UHFFFAOYSA-N 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
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- 239000007858 starting material Substances 0.000 description 2
- 238000010345 tape casting Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229940024548 aluminum oxide Drugs 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- VDNSHGNZYOIMOW-UHFFFAOYSA-N oxygen(2-) zirconium(4+) Chemical compound [O--].[O--].[O--].[O--].[Zr+4].[Zr+4] VDNSHGNZYOIMOW-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- CFPVQGQJRGIWSP-UHFFFAOYSA-N scandium(3+) Chemical compound [Sc+3] CFPVQGQJRGIWSP-UHFFFAOYSA-N 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- AWSFICBXMUKWSK-UHFFFAOYSA-N ytterbium(3+) Chemical compound [Yb+3] AWSFICBXMUKWSK-UHFFFAOYSA-N 0.000 description 1
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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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
- H01M8/124—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
-
- 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
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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
- 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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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
도 2는 1 mm3의 표준 용적 및 다른 시료 크기로 YbSZ의 강도의 전환을 나타내는 그래프.
도 3 내지 도 7은 5YbSZ을 포함하는 소결된 전해질층의 열식각된 폴리싱된 섹션의 전자 현미경 사진.
도 8은 (실시예 1의 경우) 전해질 75㎛ 6YbSZ을 갖고 1200℃의 상호 소결 조건을 갖는 전지의 U-I 곡선.
도 9는 (실시예 2의 경우) 전해질 54㎛ 4YbSZ을 갖고 1200℃의 상호 소결 조건을 갖는 전지의 U-I 곡선.
도 10은 (실시예 3의 경우) 전해질 89㎛ 5YbSZ을 갖고 1200℃의 상호 소결 조건을 갖는 전지의 U-I 곡선.
도 11은 (실시예 4의 경우) 전해질 91㎛ 5YbSZ을 갖고 1250℃의 상호 소결 조건을 갖는 전지의 U-I 곡선.
도 12는 (비교예 1의 경우) 전해질 90㎛ 3YSZ을 갖고 1200℃이 상호 소결 조건을 갖는 종래 기술에 따른 비교 전지의 U-I 곡선.
도 13은 (비교예 2의 경우) 전해질 90㎛ 3YSZ을 갖고 1250℃의 상호 소결 조건을 갖는 종래 기술에 따른 비교 전지의 U-I 곡선.
Yb2O3의 농도 [mol%] |
소결 시간/온도 |
전도도 | 850℃에서의 전도도[S/m]/Yb2O3의 농도[mol%]의 비율 | ||
800℃ | 850℃ | 900℃ | |||
4.12 | 30min/1500℃ | 2.92 | 4.05 | 5.65 | 0.983 |
4.12 | 30min/1530℃ | 2.92 | 4.14 | 5.77 | 1.005 |
4.12 | 1h/1500℃ | 2.96 | 4.21 | 5.71 | 1.022 |
4.12 | 2h/1475℃ | 2.92 | 4.17 | 5.73 | 1.012 |
4.12 | 4h/1450℃ | 2.83 | 4.05 | 5.54 | 0.983 |
5.96 | 1h/1500℃ | 4.8 | 6.85 | 9.3 | 1.149 |
5.96 | 1h/1450℃ | 4.75 | 6.79 | 9.28 | 1.139 |
Claims (10)
- 전해질 지지형 고온 연료 전지용의 전해질로서,
전해질은 3.5 내지 6.5 mol%의 이테르븀(III) 산화물이 불순물로서 도핑된 지르코늄(IV) 산화물을 포함하고,
전해질의 30℃를 기준으로 한 열팽창 계수(TEC)는 800℃에서 10.6*10-6K-1 내지 11.1*10-6K-1 의 범위인 것을 특징으로 하는 전해질. - 제1항에 있어서, 전해질층의 두께는 50 내지 150 ㎛인 것을 특징으로 하는 전해질.
- 제1항 또는 제2항에 있어서, 소결 후에 4.6 내지 5.5 mol%의 이테르븀(III) 산화물이 도핑된 경우에 지르코늄(IV) 산화물의 적어도 98%의 입자는 2.0 ㎛ 이하의 열식각된 폴리싱된 섹션의 전자 현미경 사진에서의 가시 직경을 갖는 것을 특징으로 하는 전해질.
- 제1항 또는 제2항에 있어서, 전해질층은 기계적 강도가 표준 EN 1288-2의 더블 링 측정 방법에 의해 결정되는 경우에 700 MPa보다 큰 기계적 강도를 갖거나, 다른 대안으로서,
전해질층은 기계적 강도가 50 mm×7.7 mm×0.090 mm의 치수를 갖는 전해질 스트립의 텐션 하의 용적을 기초로 한 실린더 굽힘 파쇄 시험에 의해 결정되는 경우에 800 MPa보다 큰 기계적 강도를 갖는 것을 특징으로 하는 전해질. - 제1항 또는 제2항에 있어서, 파라미터로서 전해질층의 2개의 특성의 비율, 즉 도판트 농도로 나눈 전도도는 이하의 값을 갖는 것을 특징으로 하는 전해질.
(단위 지멘스/미터로 측정된 850℃에서 전해질의 비전도도)/(mol%로 측정된 이테르븀(III) 산화물에 의한 지르코늄(IV) 산화물의 도핑 농도) > 1.0 S/(m mol%) - 제1항 또는 제2항에 있어서, 전해질 지지형 연료 전지의 성분으로서, 전해질 지지형 연료 전지의 면적 비저항은 0.4 Ωcm2 이하인 것을 특징으로 하는 전해질.
- 전해질 지지형 연료 전지를 위한 제1항 또는 제2항에 따른 전해질의 제조 방법으로서, 전해질층을 시트로서 먼저 캐스팅하고 이후에 소결하며,
상기 소결은 1400 내지 1550℃의 온도에서 수행되고, 전해질층이 소결 온도에서 유지되는 시간은 15 내지 600 분인 것을 특징으로 하는 전해질의 제조 방법. - 제7항에 있어서, 1475℃ 내지 1550℃의 소결 온도에서의 유지 시간은 15 내지 60 분이거나, 1445℃ 내지 1475℃의 소결 온도에서의 유지 시간은 60 내지 180 분이거나, 1400℃ 내지 1445℃의 소결 온도에서의 유지 시간은 120 내지 600 분인 것을 특징으로 하는 전해질의 제조 방법.
- 제1항 또는 제2항에 따른 전해질을 포함하는 전해질 지지형 연료 전지.
- 제9항에 있어서, 상기 전해질 지지형 연료 전지는 11.5 내지 12.5*10-6K-1 의 열팽창 계수를 갖는 인터커넥트를 갖는 연료 전지 스택에 사용되는 것을 특징으로 하는 전해질 지지형 연료 전지.
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DE102013218053A1 (de) * | 2013-09-10 | 2015-03-12 | Siemens Aktiengesellschaft | Verfahren zur Verbindung eines elektrisch leitfähigen Kontaktelements mit wenigstens einer einer Brennstoffzelle zugeordneten, elektrisch leitfähigen Brennstoffzellenkomponente |
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