Solid Oxide Fuel Cell with Anodes using Proton Conductor (Barium-Cerium/Yttrium Oxide)
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概要
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A new anode with a proton conductor (Barium-Cerium/Yttrium oxide (BCY): BaCe0.8Y0.2O3-δ) was proposed for a high-power, solid-oxide fuel cell. In the new anode, the proton-conducting material was included in a conventional anode made of nickel (Ni) and Gd-doped Ceria (GDC) in the ratio of GDC:BCY=0:100, 50:50, 90:10, 100:0 vol.%. With 3% humidity hydrogen fuel, the overpotential of the BCY anode became smaller compared with that of the conventional Ni/GDC anode. The most striking feature is that the anode with the 10%-BCY has the lowest overpotential among all anodes due to the high oxide-ion conductivity by the 90%-GDC and the reaction enhancement and/or the high hydrogen-adsorption ratio by the 10%-BCY.
著者
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YANO Shinichi
Research Center for Carbon Recycling and Energy, Tokyo Institute of Technology
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NAKAMURA Shiko
Research Center for Carbon Recycling and Energy, Tokyo Institute of Technology
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HASEGAWA Shinichi
Research Center for Carbon Recycling and Energy, Tokyo Institute of Technology
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IHARA Manabu
Research Center for Carbon Recycling and Energy, Tokyo Institute of Technology
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HANAMURA Katsunori
Research Center for Carbon Recycling and Energy, Tokyo Institute of Technology
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Hanamura Katsunori
Research Center For Carbon Recycling & Energy Tokyo Inst. Of Tech.
関連論文
- Solid Oxide Fuel Cell with Anodes using Proton Conductor (Barium-Cerium/Yttrium Oxide)
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- Preface