JP5498021B2 - 多孔質電極を有する燃料電池構成体 - Google Patents
多孔質電極を有する燃料電池構成体 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title description 19
- 239000010410 layer Substances 0.000 claims description 113
- 239000002346 layers by function Substances 0.000 claims description 57
- 239000011148 porous material Substances 0.000 claims description 57
- 239000003792 electrolyte Substances 0.000 claims description 29
- 239000002245 particle Substances 0.000 claims description 21
- 230000002902 bimodal effect Effects 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 14
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- 238000000034 method Methods 0.000 description 19
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- 230000008569 process Effects 0.000 description 14
- 238000005245 sintering Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000010304 firing Methods 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 4
- 239000013590 bulk material Substances 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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- 239000002243 precursor Substances 0.000 description 4
- 239000011164 primary particle Substances 0.000 description 4
- 238000004626 scanning electron microscopy Methods 0.000 description 4
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 3
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- 239000003795 chemical substances by application Substances 0.000 description 2
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- 238000012216 screening Methods 0.000 description 2
- 229910002076 stabilized zirconia Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 238000012935 Averaging Methods 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
- 239000010405 anode material Substances 0.000 description 1
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- -1 for example Inorganic materials 0.000 description 1
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- 238000005304 joining Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- 239000003345 natural gas Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- IGPAMRAHTMKVDN-UHFFFAOYSA-N strontium dioxido(dioxo)manganese lanthanum(3+) Chemical compound [Sr+2].[La+3].[O-][Mn]([O-])(=O)=O IGPAMRAHTMKVDN-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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Description
Claims (5)
- 第1電極と、
該第1電極を覆う電解質と、
該電解質を覆う第2電極と
を含み、該第2電極がバルク層部分と機能層部分を含み、該機能層部分が前記電解質と前記第2電極のバルク層部分との間に延びる界面層であり、該機能層部分が二峰性の気孔サイズ分布を有し、該バルク層部分が該機能層部分よりも大きな平均粒径を有する共に、二峰性の気孔サイズ分布を有し、該バルク層部分が、微細な気孔と該微細な気孔よりも大きな粗い気孔を含み、該微細な気孔が粒内の気孔であり、該粗い気孔が粒間の気孔であり、
該第2電極は、微細粒の平均の粒の大きさをGfで表し、粗粒の平均の粒の大きさをGcで表すとき、Gc/Gf比は、1.5以上である二峰性の粒の大きさ分布を示し、そして、該バルク層部分と該機能層部分とは凝集粒を含む、SOFC構成体。 - 前記バルク層部分が、平均気孔サイズPfを有する微細な気孔と、平均気孔サイズPを有する粗い気孔とを含み、Pc/Pfが2.0以上である、請求項1に記載のSOFC構成体。
- 前記バルク層部分が50μm以上の平均粒子サイズを有する、請求項2に記載のSOFC構成体。
- 前記バルク層部分が前記機能層部分の厚さよりも大きな厚さを有し、該機能層部分が10μm以上の厚さを有し、該バルク層部分が500μm以上の厚さを有する、請求項1〜3のいずれか1項に記載のSOFC構成体。
- 前記第1電極がバルク層部分と機能層部分を含み、該機能層部分が前記電解質と前記第1電極のバルク層部分との間に延びる界面層であり、該第1電極のバルク層部分が二峰性の気孔サイズ分布を有する、請求項1に記載のSOFC構成体。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75768606P | 2006-01-09 | 2006-01-09 | |
| US60/757,686 | 2006-01-09 | ||
| PCT/US2007/060279 WO2007082209A2 (en) | 2006-01-09 | 2007-01-09 | Fuel cell components having porous electrodes |
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| EP (1) | EP1979964A2 (ja) |
| JP (1) | JP5498021B2 (ja) |
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| CN (1) | CN101385169A (ja) |
| AU (1) | AU2007204758B2 (ja) |
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| US8173010B2 (en) * | 2005-05-19 | 2012-05-08 | Massachusetts Institute Of Technology | Method of dry reforming a reactant gas with intermetallic catalyst |
| EP2013936A2 (en) * | 2006-04-05 | 2009-01-14 | Saint-Gobain Ceramics and Plastics, Inc. | A sofc stack having a high temperature bonded ceramic interconnect and method for making same |
-
2007
- 2007-01-09 JP JP2008549686A patent/JP5498021B2/ja not_active Expired - Fee Related
- 2007-01-09 BR BRPI0706376-8A patent/BRPI0706376A2/pt not_active IP Right Cessation
- 2007-01-09 AU AU2007204758A patent/AU2007204758B2/en not_active Ceased
- 2007-01-09 RU RU2008127752/09A patent/RU2008127752A/ru not_active Application Discontinuation
- 2007-01-09 CN CNA2007800052038A patent/CN101385169A/zh active Pending
- 2007-01-09 US US11/621,447 patent/US20070178366A1/en not_active Abandoned
- 2007-01-09 EP EP07710017A patent/EP1979964A2/en not_active Withdrawn
- 2007-01-09 CA CA002636310A patent/CA2636310A1/en not_active Abandoned
- 2007-01-09 KR KR1020087019575A patent/KR101154217B1/ko not_active Expired - Fee Related
- 2007-01-09 WO PCT/US2007/060279 patent/WO2007082209A2/en not_active Ceased
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2013
- 2013-08-26 US US13/975,932 patent/US20130337360A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20130337360A1 (en) | 2013-12-19 |
| AU2007204758B2 (en) | 2010-01-21 |
| KR20080105041A (ko) | 2008-12-03 |
| EP1979964A2 (en) | 2008-10-15 |
| RU2008127752A (ru) | 2010-02-20 |
| WO2007082209A3 (en) | 2008-03-20 |
| US20070178366A1 (en) | 2007-08-02 |
| CA2636310A1 (en) | 2007-07-19 |
| BRPI0706376A2 (pt) | 2011-03-22 |
| CN101385169A (zh) | 2009-03-11 |
| JP2009522748A (ja) | 2009-06-11 |
| WO2007082209A2 (en) | 2007-07-19 |
| AU2007204758A1 (en) | 2007-07-19 |
| KR101154217B1 (ko) | 2012-06-18 |
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