JP6511431B2 - クロムを捕捉するよう構成された燃料電池システム - Google Patents
クロムを捕捉するよう構成された燃料電池システム Download PDFInfo
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- JP6511431B2 JP6511431B2 JP2016502720A JP2016502720A JP6511431B2 JP 6511431 B2 JP6511431 B2 JP 6511431B2 JP 2016502720 A JP2016502720 A JP 2016502720A JP 2016502720 A JP2016502720 A JP 2016502720A JP 6511431 B2 JP6511431 B2 JP 6511431B2
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- 239000000446 fuel Substances 0.000 title claims description 140
- 239000011651 chromium Substances 0.000 title description 118
- 229910052804 chromium Inorganic materials 0.000 title description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title description 9
- 239000000463 material Substances 0.000 claims description 55
- 239000003792 electrolyte Substances 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 14
- 230000006870 function Effects 0.000 claims description 12
- 239000012633 leachable Substances 0.000 claims description 10
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 8
- 230000007547 defect Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 164
- 210000004027 cell Anatomy 0.000 description 134
- 241000894007 species Species 0.000 description 52
- 239000012071 phase Substances 0.000 description 26
- 239000000758 substrate Substances 0.000 description 16
- 239000000919 ceramic Substances 0.000 description 15
- 239000010408 film Substances 0.000 description 14
- 238000005247 gettering Methods 0.000 description 13
- 239000007800 oxidant agent Substances 0.000 description 12
- 239000011572 manganese Substances 0.000 description 11
- 230000001590 oxidative effect Effects 0.000 description 11
- 239000007787 solid Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229910000510 noble metal Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 231100000572 poisoning Toxicity 0.000 description 9
- 230000000607 poisoning effect Effects 0.000 description 9
- 239000011195 cermet Substances 0.000 description 8
- 230000002950 deficient Effects 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- -1 Y 1-x Ca x CrO 3-δ Chemical compound 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 229910052596 spinel Inorganic materials 0.000 description 5
- 239000011029 spinel Substances 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 239000010406 cathode material Substances 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 4
- NFYLSJDPENHSBT-UHFFFAOYSA-N chromium(3+);lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+3].[La+3] NFYLSJDPENHSBT-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 3
- 229910002080 8 mol% Y2O3 fully stabilized ZrO2 Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910002710 Au-Pd Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910018921 CoO 3 Inorganic materials 0.000 description 2
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 2
- 241000968352 Scandia <hydrozoan> Species 0.000 description 2
- ROKHXTDWQPQQEO-UHFFFAOYSA-N [Y+3].[Y+3].[O-][Cr]([O-])=O.[O-][Cr]([O-])=O.[O-][Cr]([O-])=O Chemical compound [Y+3].[Y+3].[O-][Cr]([O-])=O.[O-][Cr]([O-])=O.[O-][Cr]([O-])=O ROKHXTDWQPQQEO-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 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 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910002696 Ag-Au Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910002127 La0.6Sr0.4Co0.2Fe0.8O3 Inorganic materials 0.000 description 1
- 229910002180 La0.8Ca0.2MnO3 Inorganic materials 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229910000943 NiAl Inorganic materials 0.000 description 1
- 229910018879 Pt—Pd Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 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 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 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
- 238000004458 analytical method Methods 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 229910052963 cobaltite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000010952 in-situ formation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910002119 nickel–yttria stabilized zirconia Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 229910002059 quaternary alloy Inorganic materials 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052566 spinel group Inorganic materials 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
-
- 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
- H01M8/023—Porous and characterised by the material
- H01M8/0241—Composites
- H01M8/0243—Composites in the form of mixtures
-
- 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
- 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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0236—Glass; Ceramics; Cermets
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
- Ceramic Engineering (AREA)
Description
本開示は、一般に、燃料電池、例えば固体酸化物燃料電池に関する。
Cr2O3(s)+(m−1.5)O2(g)=2CrOm(g)
2Cr2O3(s)+(m−3)O2(g)+2mH2O(g)=4Cr(OH)m(g)
2Cr2O3(s)+(m+2n−3)O2(g)+2mH2O(g)=4CrOn(OH)m(g)
[1]
カソードと;
前記カソードに隣接するカソード導電性層と;
前記カソードによって前記カソード導電性層から分離されている電解質と;
前記電解質によって前記カソードから分離されているアノードと
を含む、燃料電池システムであって、
前記アノード、前記カソード導電性層、前記カソード、及び前記電解質は、電気化学的電池を形成するよう構成されており、前記カソード又は前記カソード導電性層の少なくとも1つは、前記燃料電池システム内に存在するCr蒸気種を捕捉するよう構成された離溶酸化物を含む、燃料電池システム。
[2]
前記カソード導電性層が、A−サイト欠損を有するLSM材料から形成されており、前記離溶酸化物が、前記燃料電池の作動の間にLSMの平衡濃度から生ずるマンガン酸化物溶離物を含む、項目1に記載の燃料電池システム。
[3]
前記離溶酸化物が、前記Cr蒸気種と反応することによって、カソード気体流から前記Cr蒸気種を捕捉する、項目1に記載の燃料電池システム。
[4]
前記離溶酸化物がマンガン酸化物を含む、項目1に記載の燃料電池システム。
[5]
前記カソード導電性層は、前記離溶酸化物の材料以外の、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう構成された追加の材料を含む、項目1に記載の燃料電池システム。
[6]
前記更なる材料がアルカリ土類酸化物を含む、項目5に記載の燃料電池システム。
[7]
前記カソード導電性層が、プライマリ伝導経路として、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう機能する、項目1に記載の燃料電池システム。
[8]
前記カソード及び前記カソード導電性層が、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう構成された前記離溶酸化物を含む、項目1に記載の燃料電池システム。
[9]
前記カソード導電性層は、カソード層よりも多くの自由酸化物を離溶するよう構成された、項目8に記載の燃料電池システム。
[10]
前記カソードが、還元触媒として、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう機能する、項目8に記載の燃料電池システム。
[11]
前記カソード導電性層の外表面上に堆積した更なる層を更に含んで、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉し、前記更なる層は、前記燃料電池にいかなる必要な電子伝導機能も提供しない、項目1に記載の燃料電池システム。
[12]
第三の層の組成が、前記Cr蒸気種と反応するアルカリ土類金属又は希土類元素の少なくとも1つを含む、項目11に記載の燃料電池システム。
[13]
燃料電池システムを形成することを含む方法であって、前記燃料電池システムは:
カソードと;
前記カソードに隣接するカソード導電性層と;
前記カソードによって前記カソード導電性層から分離されている電解質と;
前記電解質によって前記カソードから分離されているアノードと
を含み、
前記アノード、前記カソード導電性層、前記カソード、及び前記電解質は、電気化学的電池を形成するよう構成されており、前記カソード導電性層は、前記燃料電池システム内に存在するCr蒸気種を捕捉するよう構成された離溶酸化物を含む、方法。
[14]
前記カソード導電性層が、A−サイト欠損を有するLSM材料から形成されており、前記離溶酸化物が、前記燃料電池の作動の間にLSMの平衡濃度から生ずるマンガン酸化物溶離物を含む、項目13に記載の方法。
[15]
前記離溶酸化物が、前記Cr蒸気種と反応することによって、カソード気体流から前記Cr蒸気種を捕捉する、項目13に記載の方法。
[16]
前記離溶酸化物が、アルカリ土類酸化物を含む、項目13に記載の方法。
[17]
前記カソード導電性層は、前記離溶酸化物の材料以外の、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう構成された更なる材料を含む、項目13に記載の方法。
[18]
前記更なる材料が、アルカリ土類酸化物を含む、項目17に記載の方法。
[19]
前記カソード導電性層が、プライマリ伝導経路として、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう機能する、項目13に記載の方法。
[20]
カソードと;
前記カソードに隣接するカソード導電性層と;
前記カソードによって前記カソード導電性層から分離されている電解質と;
前記電解質によって前記カソードから分離されているアノードと
を含む、燃料電池システムであって、
前記アノード、前記カソード導電性層、前記カソード、及び前記電解質は、電気化学的電池を形成するよう構成されており、前記カソード導電性層又は前記カソードの少なくとも1つは、前記燃料電池システム内に存在するCr蒸気種を捕捉するよう構成された離溶酸化物を含み、前記カソード導電性層は、A−サイト欠損を有するLSM材料から形成されており、前記離溶酸化物は、前記燃料電池の作動の間にLSMの平衡濃度から生ずるマンガン酸化物溶離物を含む、燃料電池システム。
Claims (10)
- 燃料電池システムであって、
カソードと;
前記カソードに隣接するカソード導電性層と;
前記カソードによって前記カソード導電性層から分離されている電解質と;
前記電解質によって前記カソードから分離されているアノードと;を備えてなり、
前記アノード、前記カソード導電性層、前記カソード、及び前記電解質は、電気化学的電池を形成するよう構成されてなり、
前記カソード及び前記カソード導電性層は、前記燃料電池システム内に存在するCr蒸気種を捕捉するよう構成された離溶酸化物を含んでなり、
前記カソード導電性層は、前記カソードよりも多くの自由酸化物を離溶するよう構成されてなる、燃料電池システム。 - 前記カソード導電性層が、A−サイト欠損を有するLSM材料から形成されたものであり、
前記離溶酸化物が、前記燃料電池の作動の間にLSMの平衡濃度から生ずるマンガン酸化物溶離物を含んでなる、請求項1に記載の燃料電池システム。 - 前記離溶酸化物が、前記Cr蒸気種と反応することによって、カソード気体流から前記Cr蒸気種を捕捉するものである、請求項1又は2に記載の燃料電池システム。
- 前記離溶酸化物がマンガン酸化物を含んでなる、請求項1〜3の何れか一項に記載の燃料電池システム。
- 前記カソード導電性層は、前記離溶酸化物の材料以外の、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう構成された追加の材料を含んでなる、請求項1〜4の何れか一項に記載の燃料電池システム。
- 前記追加の材料がアルカリ土類酸化物を含んでなる、請求項5に記載の燃料電池システム。
- 前記カソード導電性層が、プライマリ伝導経路として、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう機能するものである、請求項1〜6の何れか一項に記載の燃料電池システム。
- 前記カソードが、還元触媒として、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉するよう機能するものである、請求項7に記載の燃料電池システム。
- 前記カソード導電性層の外表面上に堆積した更なる層を更に備えてなり、前記燃料電池システム内に存在する前記Cr蒸気種を捕捉してなり、
前記更なる層は、前記燃料電池に如何なる必要な電子伝導機能も提供しないものである、請求項1〜8の何れか一項に記載の燃料電池システム。 - 前記更なる層の組成が、前記Cr蒸気種と反応するアルカリ土類金属又は希土類元素の少なくとも1つを含んでなる、請求項9に記載の燃料電池システム。
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JP5097865B1 (ja) * | 2011-10-14 | 2012-12-12 | 日本碍子株式会社 | 燃料電池セル |
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SG11201700503RA (en) | 2014-07-21 | 2017-02-27 | Lg Fuel Cell Systems Inc | Composition for fuel cell electrode |
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2014
- 2014-03-14 JP JP2016502720A patent/JP6511431B2/ja not_active Expired - Fee Related
- 2014-03-14 SG SG11201507656PA patent/SG11201507656PA/en unknown
- 2014-03-14 EP EP14719479.9A patent/EP2973825A1/en not_active Withdrawn
- 2014-03-14 CN CN201480024849.0A patent/CN105359321A/zh active Pending
- 2014-03-14 US US14/212,153 patent/US10014531B2/en not_active Expired - Fee Related
- 2014-03-14 AU AU2014227989A patent/AU2014227989A1/en not_active Abandoned
- 2014-03-14 WO PCT/US2014/028159 patent/WO2014143957A1/en active Application Filing
- 2014-03-14 CA CA2906709A patent/CA2906709A1/en not_active Abandoned
- 2014-03-14 KR KR1020157029485A patent/KR20150129024A/ko not_active Application Discontinuation
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WO2014143957A1 (en) | 2014-09-18 |
AU2014227989A1 (en) | 2015-10-08 |
SG11201507656PA (en) | 2015-10-29 |
JP2016512388A (ja) | 2016-04-25 |
US10014531B2 (en) | 2018-07-03 |
US20140272622A1 (en) | 2014-09-18 |
EP2973825A1 (en) | 2016-01-20 |
AU2018226467A1 (en) | 2018-09-27 |
CN105359321A (zh) | 2016-02-24 |
KR20150129024A (ko) | 2015-11-18 |
CA2906709A1 (en) | 2014-09-18 |
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