JP2011524946A - センサー、酸素分離装置、および固体酸化物燃料電池のためのゾルゲル由来の高性能触媒薄膜 - Google Patents
センサー、酸素分離装置、および固体酸化物燃料電池のためのゾルゲル由来の高性能触媒薄膜 Download PDFInfo
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- 239000007787 solid Substances 0.000 title abstract description 7
- 239000001301 oxygen Substances 0.000 title description 43
- 229910052760 oxygen Inorganic materials 0.000 title description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title description 33
- 230000003197 catalytic effect Effects 0.000 title description 3
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- 239000010408 film Substances 0.000 claims abstract description 30
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- 238000000034 method Methods 0.000 claims abstract description 24
- 239000002243 precursor Substances 0.000 claims abstract description 21
- 239000003054 catalyst Substances 0.000 claims abstract description 20
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
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- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 claims description 4
- 239000008139 complexing agent Substances 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 claims 1
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 6
- 238000000151 deposition Methods 0.000 abstract description 3
- 239000006257 cathode slurry Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 238000001453 impedance spectrum Methods 0.000 description 11
- -1 oxygen ion Chemical class 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 229910052746 lanthanum Inorganic materials 0.000 description 7
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 6
- 229910052712 strontium Inorganic materials 0.000 description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
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- 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 4
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- 239000010432 diamond Substances 0.000 description 4
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
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- 150000002823 nitrates Chemical class 0.000 description 2
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- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
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- 229910019902 La0.8Sr0.2FeO3 Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
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- 150000007513 acids Chemical class 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052963 cobaltite Inorganic materials 0.000 description 1
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- 238000001739 density measurement Methods 0.000 description 1
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- 239000002019 doping agent Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 150000002334 glycols Chemical class 0.000 description 1
- 238000000227 grinding Methods 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
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- SZQUEWJRBJDHSM-UHFFFAOYSA-N iron(3+);trinitrate;nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O SZQUEWJRBJDHSM-UHFFFAOYSA-N 0.000 description 1
- GJKFIJKSBFYMQK-UHFFFAOYSA-N lanthanum(3+);trinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O GJKFIJKSBFYMQK-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
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- 239000000376 reactant Substances 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
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- 238000000527 sonication Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 230000004580 weight loss Effects 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
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4073—Composition or fabrication of the solid electrolyte
-
- 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
- H01M4/8605—Porous electrodes
- H01M4/8621—Porous electrodes containing only metallic or ceramic material, e.g. made by sintering or sputtering
-
- 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
- H01M8/10—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
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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
- 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
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- Sustainable Development (AREA)
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- Measuring Oxygen Concentration In Cells (AREA)
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Abstract
Description
・低価格原料−薄膜前駆体材料は、容易に調達可能な金属硝酸塩、グリコール、および酸から得られる。
(i)電解質基板上にゾルゲル膜を形成し、
(ii)前記ゾルゲル膜を乾燥してグリーン膜を形成し、
(iii)前記グリーン膜を加熱して前記基板上に触媒薄膜を形成する、各工程を有してなる。
Claims (5)
- ゾルゲル由来の触媒薄膜を形成する方法であって、該方法が、
電解質基板上にゾルゲル膜を形成し、
前記ゾルゲル膜を乾燥してグリーン膜を形成し、
前記グリーン膜を加熱して前記基板上に触媒薄膜を形成する、
各工程を有してなる、方法。 - 前記ゾルゲル膜の形成工程が、
硝酸ランタン、硝酸ストロンチウム、および硝酸鉄の水溶液を形成し、
クエン酸およびエチレン・グリコールからなる群より選択される少なくとも1つの重合剤または錯形成剤を前記水溶液に加えて前駆体溶液を形成し、
前記前駆体溶液を加熱して高分子ゾルを形成する、
各工程を有してなることを特徴とする請求項1記載の方法。 - 前記形成工程が、さらに、
イットリア安定化酸化ジルコニウム粉末を前記前駆体溶液と混合して混合物を形成し、
前記混合物を加熱して複合材料スラリーを形成する、
各工程を有してなることを特徴とする請求項2記載の方法。 - 前記加熱工程が、
前記グリーン膜を第1の温度まで第1の加熱速度で加熱し、
前記グリーン膜を第1の温度よりも高い第2の温度まで、第2の加熱速度で加熱して前記触媒薄膜を形成する、
各工程を有してなることを特徴とする請求項1記載の方法。 - 電解質基板上に形成される連続的または不連続的なゾルゲル由来の触媒薄膜を備えた、電気化学セルのためのカソード組立体であって、
前記ゾルゲル由来の触媒薄膜が、約1マイクロメートル未満の平均厚さおよび約100nm未満の平均粒径を有する、カソード組立体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/128,080 | 2008-05-28 | ||
US12/128,080 US20090297923A1 (en) | 2008-05-28 | 2008-05-28 | Sol-gel derived high performance catalyst thin films for sensors, oxygen separation devices, and solid oxide fuel cells |
PCT/US2009/003001 WO2009151528A1 (en) | 2008-05-28 | 2009-05-14 | Sol-gel derived high performance catalyst thin films for sensors, oxygen separation devices, and solid oxide fuel cells |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011524946A true JP2011524946A (ja) | 2011-09-08 |
JP2011524946A5 JP2011524946A5 (ja) | 2014-01-16 |
JP5465240B2 JP5465240B2 (ja) | 2014-04-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011511601A Expired - Fee Related JP5465240B2 (ja) | 2008-05-28 | 2009-05-14 | センサー、酸素分離装置、および固体酸化物燃料電池のためのゾルゲル由来の高性能触媒薄膜 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090297923A1 (ja) |
EP (1) | EP2294645A1 (ja) |
JP (1) | JP5465240B2 (ja) |
CN (1) | CN102047477A (ja) |
WO (1) | WO2009151528A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014526586A (ja) * | 2011-09-27 | 2014-10-06 | ダウ グローバル テクノロジーズ エルエルシー | 分岐アルコキシレート界面活性剤組成物 |
JP2015510232A (ja) * | 2012-02-27 | 2015-04-02 | コリア インスティチュート オブ インダストリアル テクノロジー | ゾルゲル法による中低温型の固体酸化物燃料電池用の空気極粉末の合成方法 |
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JP5465240B2 (ja) | 2014-04-09 |
EP2294645A1 (en) | 2011-03-16 |
CN102047477A (zh) | 2011-05-04 |
US20090297923A1 (en) | 2009-12-03 |
WO2009151528A1 (en) | 2009-12-17 |
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