JP6298459B2 - 燃料電池用白金単原子層 - Google Patents
燃料電池用白金単原子層 Download PDFInfo
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- JP6298459B2 JP6298459B2 JP2015518473A JP2015518473A JP6298459B2 JP 6298459 B2 JP6298459 B2 JP 6298459B2 JP 2015518473 A JP2015518473 A JP 2015518473A JP 2015518473 A JP2015518473 A JP 2015518473A JP 6298459 B2 JP6298459 B2 JP 6298459B2
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims description 115
- 229910052697 platinum Inorganic materials 0.000 title claims description 55
- 239000000446 fuel Substances 0.000 title claims description 42
- 239000002356 single layer Substances 0.000 title description 16
- 239000010410 layer Substances 0.000 claims description 92
- 239000010949 copper Substances 0.000 claims description 50
- 229910052802 copper Inorganic materials 0.000 claims description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 44
- 238000009792 diffusion process Methods 0.000 claims description 38
- 239000003054 catalyst Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 30
- 239000011162 core material Substances 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 15
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229920000554 ionomer Polymers 0.000 claims description 3
- 239000005518 polymer electrolyte Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000012792 core layer Substances 0.000 claims 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 230000003197 catalytic effect Effects 0.000 claims 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 229910052741 iridium Inorganic materials 0.000 claims 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims 1
- 229910052762 osmium Inorganic materials 0.000 claims 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims 1
- 229910052702 rhenium Inorganic materials 0.000 claims 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 239000010948 rhodium Substances 0.000 claims 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 1
- 229910052707 ruthenium Inorganic materials 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 22
- 239000000758 substrate Substances 0.000 description 7
- 239000007800 oxidant agent Substances 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004758 underpotential deposition Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- -1 copper cations Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 229910000929 Ru alloy Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011943 nanocatalyst Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- CFQCIHVMOFOCGH-UHFFFAOYSA-N platinum ruthenium Chemical compound [Ru].[Pt] CFQCIHVMOFOCGH-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
-
- 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
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/54—Contact plating, i.e. electroless electrochemical plating
-
- 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
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/8814—Temporary supports, e.g. decal
-
- 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
- H01M4/8825—Methods for deposition of the catalytic active composition
-
- 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
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8842—Coating using a catalyst salt precursor in solution followed by evaporation and reduction of the precursor
-
- 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
- H01M4/92—Metals of platinum group
-
- 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
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
-
- 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
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Inert Electrodes (AREA)
- Catalysts (AREA)
Description
12 燃料電池
14a、14b 圧力板
16 膜
20a、20b 触媒被覆基板(CCS)
21a、21b 触媒層
22a、22b ガス拡散層
24a、24b 板
28 燃料供給
32 酸化剤供給
64 電極形成装置
70 銅溶液
74 電気化学セル
75 プレート
78 コア
82 電気化学セルアセンブリ
86 ポテンショスタット
90 カウンター電極
94 参照電極
98 銅単原子層
102 白金溶液
106 白金単原子層
110 膜
Claims (14)
- ガス拡散層を提供するステップと、
前記ガス拡散層により支持された触媒コア層を提供するステップと、
白金溶液を巡回させるチャンネルを有するプレートと電気化学セルとの間に前記ガス拡散層を支持するステップと、
前記触媒コア層上に銅単原子層を堆積するステップと、
燃料電池の電極の前記ガス拡散層により支持された前記銅単原子層の少なくとも一部を前記白金溶液で被覆するステップと、
ポンプで前記ガス拡散層を通して前記白金溶液を供給しながら前記銅単原子層を前記白金溶液にさらすことにより、前記白金溶液から白金単原子層を形成するため、前記銅単原子層を置き換えるステップと、
を含む、燃料電池の電極形成の方法。 - 膜を前記白金単原子層に圧入するステップを含む、請求項1に記載の燃料電池の電極形成の方法。
- 前記膜は高分子電解質膜を備えている、請求項2に記載の燃料電池の電極形成の方法。
- 前記白金単原子層は少なくとも一原子分の厚さである、請求項1に記載の燃料電池の電極形成の方法。
- 前記銅単原子層は一原子分の厚さである、請求項1に記載の燃料電池の電極形成の方法。
- 前記触媒コア層を形成するため、前記ガス拡散層をコア材料で被覆するステップを含む、請求項1に記載の燃料電池の電極形成の方法。
- 前記ガス拡散層はカーボン紙である、請求項1に記載の燃料電池の電極形成の方法。
- 前記カーボン紙は親水性または疎水性処理されている、請求項7に記載の燃料電池の電極形成の方法。
- 前記ガス拡散層は二層を有している、請求項1に記載の燃料電池の電極形成の方法。
- 前記触媒コア層は、パラジウム、白金、金、ルテニウム、ロジウム、イリジウム、オスミウム、レニウム、銀、及びそれらの合金の少なくとも1つを備えている、請求項1に記載の燃料電池の電極形成の方法。
- 前記コア材料は、プロトン伝導アイオノマーで混合されている、請求項6に記載の燃料電池の電極形成の方法。
- ガス拡散層を提供するステップと、
前記ガス拡散層により支持された触媒コア層を提供するステップと、
白金溶液を巡回させるチャンネルを有するプレートと電気化学セルとの間に前記ガス拡散層を配置するステップと、
前記触媒コア層上に銅単原子層を堆積するステップと、
燃料電池の電極の前記ガス拡散層により支持された前記銅単原子層の少なくとも一部を電気化学セル内に含まれる前記白金溶液で被覆するステップと、
前記白金溶液から白金単原子層を形成するため、前記銅単原子層を置き換えるステップと、
を含み、
前記置き換えるステップは、前記ガス拡散層を通して前記白金溶液を供給しながら前記銅単原子層を前記白金溶液にさらすステップを含む、電気化学セル内で燃料電池の電極を形成する方法。 - 前記触媒コア層上に銅単原子層を堆積するステップは、前記触媒コア層を前記銅溶液に押し付けるステップを含む、請求項12に記載の方法。
- 前記ガス拡散層を通して前記白金溶液を供給するステップは、前記ガス拡散層を支持する前記プレート内に設けられたチャンネルの補助で前記ガス拡散層を通して前記白金溶液を供給するステップを含む、請求項12に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/530,201 | 2012-06-22 | ||
US13/530,201 US9484580B2 (en) | 2012-06-22 | 2012-06-22 | Platinum monolayer for fuel cell |
PCT/US2013/046047 WO2013192056A1 (en) | 2012-06-22 | 2013-06-16 | Platinum monolayer for fuel cell |
Publications (2)
Publication Number | Publication Date |
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JP2015525458A JP2015525458A (ja) | 2015-09-03 |
JP6298459B2 true JP6298459B2 (ja) | 2018-03-20 |
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JP2015518473A Active JP6298459B2 (ja) | 2012-06-22 | 2013-06-16 | 燃料電池用白金単原子層 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9484580B2 (ja) |
EP (1) | EP2865034B1 (ja) |
JP (1) | JP6298459B2 (ja) |
KR (1) | KR101965930B1 (ja) |
CN (1) | CN104854744B (ja) |
WO (1) | WO2013192056A1 (ja) |
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JP6075305B2 (ja) * | 2014-02-14 | 2017-02-08 | トヨタ自動車株式会社 | コアシェル触媒粒子の製造方法 |
WO2018049067A1 (en) | 2016-09-08 | 2018-03-15 | The Board Of Trustees Of The Leland Stanford Junior University | Atomic layer deposition with passivation treatment |
KR20200132598A (ko) * | 2019-05-17 | 2020-11-25 | 고려대학교 세종산학협력단 | 백금 단원자 막 및 그의 제조방법 |
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JP5573438B2 (ja) * | 2010-07-09 | 2014-08-20 | トヨタ自動車株式会社 | コアシェル型触媒微粒子の製造方法 |
JP5758609B2 (ja) * | 2010-11-05 | 2015-08-05 | 公立大学法人大阪府立大学 | コアシェル粒子の製造方法 |
JP5676334B2 (ja) * | 2011-03-28 | 2015-02-25 | 株式会社東芝 | 層状触媒層、膜電極接合体、および電気化学セル |
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US9484580B2 (en) | 2016-11-01 |
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JP2015525458A (ja) | 2015-09-03 |
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CN104854744B (zh) | 2017-12-01 |
WO2013192056A1 (en) | 2013-12-27 |
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