Fuel cell including cathode having main phase including perovskite oxide and sub phase including strontium sulfate
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United States of America Patent
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Jan 23, 2018
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app pub date -
Jul 18, 2014
filing date -
Jul 19, 2013
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Abstract
A fuel cell includes an anode, a cathode and a solid electrolyte layer that is disposed between the anode and the cathode. The cathode includes a main phase and a sub phase. The main phase is composed mostly of perovskite oxide which is expressed by the general formula ABO3 and includes at least Sr at the A site. The sub phase is composed mostly of strontium sulfate. An occupied area ratio of the sub phase in a cross section of the cathode is no more than 10.2%.
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