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ECS Meeting Abstracts, 1(MA2017-03), p. 365-365, 2017

DOI: 10.1149/ma2017-03/1/365

The Electrochemical Society, ECS Transactions, 1(78), p. 1953-1961

DOI: 10.1149/07801.1953ecst

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A Direct Methane Fuel Cell with Double-Layered Electrolyte Using Proton Conducting Oxide

Journal article published in 2017 by Yuji Okuyama ORCID, Shigemichi Kawano, Go Sakai, Naoki Matsunaga, Yasunobu Mizutani
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

BaCe0.8Y0.2O3-δ (BCY) have high proton conductivity, but are less stable against carbon dioxide. La0.9Sr0.1Yb0.8In0.2O3-δ (LSYbIn) have chemical stability, but are not so conductivity as BCY. In this study, the performance of methane fuel cell using BCY and LSYbIn as electrolyte have been studied. The fuel cell using BCY showed the short-term degradation. On the other hand, the fuel cell using LSYbIn showed the high capability in methane.The protonic ceramic fuel cell with double-layered electrolyte was developed to improvement of the chemical stability with methane and the fuel cell performance. LSYbIn was used as fuel side intermediate layer of fuel cell using BCY for protective with methane. The fuel cell with double-layered electrolyte suppressed the degradation by methane.