JP2012514312A - 耐熱衝撃性固体酸化物形燃料電池スタック - Google Patents
耐熱衝撃性固体酸化物形燃料電池スタック Download PDFInfo
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- JP2012514312A JP2012514312A JP2011544594A JP2011544594A JP2012514312A JP 2012514312 A JP2012514312 A JP 2012514312A JP 2011544594 A JP2011544594 A JP 2011544594A JP 2011544594 A JP2011544594 A JP 2011544594A JP 2012514312 A JP2012514312 A JP 2012514312A
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- 239000000446 fuel Substances 0.000 title claims abstract description 68
- 239000007787 solid Substances 0.000 title abstract description 11
- 230000035939 shock Effects 0.000 title description 3
- 239000012790 adhesive layer Substances 0.000 claims abstract description 88
- 239000010410 layer Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 20
- 239000003792 electrolyte Substances 0.000 claims abstract description 18
- 238000010344 co-firing Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 32
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- 229910002075 lanthanum strontium manganite Inorganic materials 0.000 claims description 20
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 15
- 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 claims description 13
- 229910000859 α-Fe Inorganic materials 0.000 claims description 10
- 229910052712 strontium Inorganic materials 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 7
- PACGUUNWTMTWCF-UHFFFAOYSA-N [Sr].[La] Chemical compound [Sr].[La] PACGUUNWTMTWCF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims description 6
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 5
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- BQENXCOZCUHKRE-UHFFFAOYSA-N [La+3].[La+3].[O-][Mn]([O-])=O.[O-][Mn]([O-])=O.[O-][Mn]([O-])=O Chemical compound [La+3].[La+3].[O-][Mn]([O-])=O.[O-][Mn]([O-])=O.[O-][Mn]([O-])=O BQENXCOZCUHKRE-UHFFFAOYSA-N 0.000 claims description 4
- FZJJTYLFARYPAT-UHFFFAOYSA-N [Ni].[Sr].[La] Chemical compound [Ni].[Sr].[La] FZJJTYLFARYPAT-UHFFFAOYSA-N 0.000 claims description 4
- UTPXLSGVROBXHI-UHFFFAOYSA-N cerium(3+) dioxido(oxo)manganese lanthanum(3+) Chemical compound [La+3].[Ce+3].[O-][Mn]([O-])=O.[O-][Mn]([O-])=O.[O-][Mn]([O-])=O UTPXLSGVROBXHI-UHFFFAOYSA-N 0.000 claims description 4
- DTDCCPMQHXRFFI-UHFFFAOYSA-N dioxido(dioxo)chromium lanthanum(3+) Chemical compound [La+3].[La+3].[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O DTDCCPMQHXRFFI-UHFFFAOYSA-N 0.000 claims description 4
- 229910002119 nickel–yttria stabilized zirconia Inorganic materials 0.000 claims description 4
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 4
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052727 yttrium Inorganic materials 0.000 claims description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 claims 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 210000004027 cell Anatomy 0.000 description 54
- 239000007789 gas Substances 0.000 description 13
- 239000000835 fiber Substances 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 9
- 239000007784 solid electrolyte Substances 0.000 description 8
- 239000011575 calcium Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 239000010406 cathode material Substances 0.000 description 4
- 239000011195 cermet Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 229910017563 LaCrO Inorganic materials 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- -1 oxygen ions Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 229910004250 CaCoO Inorganic materials 0.000 description 1
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910002127 La0.6Sr0.4Co0.2Fe0.8O3 Inorganic materials 0.000 description 1
- 229910002215 La0.9Sr0.1Ga0.8Mg0.2O3 Inorganic materials 0.000 description 1
- 241000877463 Lanio Species 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- QBYHSJRFOXINMH-UHFFFAOYSA-N [Co].[Sr].[La] Chemical compound [Co].[Sr].[La] QBYHSJRFOXINMH-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910002084 calcia-stabilized zirconia Inorganic materials 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- JJSINHRPPHLULR-UHFFFAOYSA-N gadolinium(3+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4].[Gd+3].[Gd+3] JJSINHRPPHLULR-UHFFFAOYSA-N 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- CUSDLVIPMHDAFT-UHFFFAOYSA-N iron(3+);manganese(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Mn+2].[Fe+3].[Fe+3] CUSDLVIPMHDAFT-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- DOARWPHSJVUWFT-UHFFFAOYSA-N lanthanum nickel Chemical compound [Ni].[La] DOARWPHSJVUWFT-UHFFFAOYSA-N 0.000 description 1
- WSHADMOVDWUXEY-UHFFFAOYSA-N manganese oxocobalt Chemical compound [Co]=O.[Mn] WSHADMOVDWUXEY-UHFFFAOYSA-N 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 125000005498 phthalate group Chemical group 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005118 spray pyrolysis Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
- H01M4/90—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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
-
- 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
-
- 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
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0215—Glass; Ceramic materials
- H01M8/0217—Complex oxides, optionally doped, of the type AMO3, A being an alkaline earth metal or rare earth metal and M being a metal, e.g. perovskites
-
- 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
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- 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
- H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
-
- 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
- H01M8/24—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
- H01M8/243—Grouping of unit cells of tubular or cylindrical configuration
-
- 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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Abstract
Description
本出願は、2008年12月31日出願の米国仮特許出願第61/204,035号の利益を主張するものである。
本発明について、その例示された実施形態を参考にして詳細に図示し記述してきたが、当業者であれば、添付の特許請求の範囲により包含されている本発明の範囲から逸脱することなく、形態および詳細にさまざまな変更を加えてよいということがわかるであろう。
Claims (16)
- 燃料電池アセンブリのサブ電池において、
a)第1の電極と;
b)第2の電極と;
c)前記電極を仕切る電解質と;
d)前記第2の電極にあり、前記電解質からは遠位にある第1の接着層と;
e)前記第1の接着層にあるインターコネクト層と;
f)前記インターコネクト層にある前記第1の接着層とは組成的に全く異なる第2の接着層と;
を含むサブアセンブリであって、前記インターコネクト層が前記第1の接着層と前記第2の接着層とを仕切り、前記第1および第2の電極のうちの一方に向けられた燃料の酸化により前記サブ電池が動作可能であり、こうして少なくとも水を形成するサブ電池。 - 前記第2の電極がカソードである、請求項1に記載のサブ電池。
- 前記カソードが、ランタン−マンガナイト系材料およびランタン−フェライト系材料からなる群から選択された少なくとも1つの成員を含む、請求項2に記載のサブ電池。
- 前記カソードにある前記第1の接着層が、前記カソードに共通のコンポーネントを含む、請求項3に記載のサブ電池。
- 前記インターコネクト層が、前記カソードおよび前記カソードにある前記接着層に共通のコンポーネントを含む、請求項4に記載のサブ電池。
- 前記インターコネクト層が、チタン酸ランタン、クロム酸ランタン、チタン酸ストロンチウム、およびランタンストロンチウムチタネート(LST)からなる群から選択された少なくとも1つの成員を含む、請求項5に記載のサブ電池。
- 前記第1の電極は、ニッケルと;イットリウム、ストロンチウムおよびジルコニウムからなる群から選択された酸化物または酸化物混合物を含む少なくとも1つの成員と、を含むアノードである、請求項6に記載のサブ電池。
- 前記アノードが、イットリア安定化ジルコニア(YSZ)、酸化セリウムおよびLSTからなる群から選択された少なくとも1つの成員を含むドープされた材料を含む、請求項7に記載のサブ電池。
- 前記アノードが、約15重量%のイットリア(Y2O3)を伴うジルコニアを有するYSZを含む、請求項8に記載のサブ電池。
- 前記電解質が、イットリア安定化ジルコニア、ランタンストロンチウムマンガナイト、酸化セリウム、酸化スカンジウムおよびジルコニアからなる群から選択された少なくとも1つの成員を含む、請求項7に記載のサブ電池。
- 前記第1の接着層が、ランタンストロンチウムマンガナイト、ランタンセリウムマンガナイトおよびランタンストロンチウムニッケルからなる群から選択された少なくとも1つの成員を含む、請求項4に記載のサブ電池。
- 前記第2の接着層が、ニッケルイットリア安定化ジルコニア、ニッケル−ランタン−ストロンチウム−チタネート、ニッケルフェルトおよびニッケルメッシュからなる群から選択された少なくとも1つの成員を含む、請求項11に記載のサブ電池。
- a)前記第1の電極が、ニッケルと;イットリウム、ストロンチウムおよびジルコニウムからなる群から選択された酸化物または酸化物混合物を含む少なくとも1つの成員と、を含み;
b)前記電解質が、イットリア安定化ジルコニア、ランタンストロンチウムマンガナイト、酸化セリウム、酸化スカンジウムおよびジルコニアからなる群から選択された少なくとも1つの成員を含み;
c)前記第2の電極が、ランタン−マンガナイト系材料およびランタン−フェライト系材料からなる群から選択された少なくとも1つの成員を含み;
d)前記第1の接着層が、ランタンストロンチウムマンガナイト、ランタンセリウムマンガナイトおよびランタンストロンチウムニッケルからなる群から選択された少なくとも1つの成員を含み;
e)前記インターコネクトが、チタン酸ランタン、クロム酸ランタン、チタン酸ストロンチウムおよびランタンストロンチウムチタネート(LST)からなる群から選択された少なくとも1つの成員を含み;かつ
f)前記第2の接着層がニッケルイットリア安定化ジルコニア、ニッケル−ランタン−ストロンチウム−チタネート、ニッケルフェルトおよびニッケルメッシュからなる群から選択された少なくとも1つの成員を含む、請求項12に記載のサブ電池。 - 前記第2の電極がアノードである、請求項1に記載のサブ電池。
- 燃料電池アセンブリにおいて、
a)各々少なくとも1つのサブ電池を含む少なくとも2つのサブアセンブリであって、各サブ電池が、
i)第1の電極と;
ii)第2の電極と;
iii)前記電極間の電解質と;
iv)第1の接着層が前記第2の電極にある、第1および第2の接着層と;
v)前記第1および第2の接着層を仕切るインターコネクト層と、
を含んでいるサブアセンブリと;
b)前記第2の接着層とは微細構造的にまたは組成的に全く異なっている前記少なくとも2つのサブアセンブリの間に設置された第3の接着層と、
を含む燃料電池アセンブリ。 - 燃料電池を形成する方法において、
(a)少なくとも1つのサブ電池からなる少なくとも2つのサブアセンブリを提供するステップであって、各サブ電池が、第1の電極と、第2の電極と、前記電極間の電解質と、第1および第2の接着層(なお前記第1の接着層は前記第2の電極にある)と、前記第1および第2の接着層を仕切るインターコネクト層とを含んでいる、ステップと;
(b)前記少なくとも2つのサブアセンブリを同時焼成し、前記1つのサブアセンブリと前記第2のサブアセンブリの活性アノードとの間に第3の接着層を追加するステップであって、前記第3の接着層が前記第2の接着層とは微細構造的にまたは組成的に全く異なっている、ステップと、
を含む方法。
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