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Vol. 80 (2012) No. 10 p. 728-730




In order to improve oxygen reduction performances of an air electrode using perovskite type La0.7Ca0.3CoO3 as an electrocatalyst, a layered double hydroxide (LDH) containing magnesium and aluminum was examined as an ion-conducting additive. Although the addition of LDH impeded gas permeation of the catalyst layer of the electrode, it was effective in reducing charge transfer resistance of the electrode, and as a result, the oxygen reduction reaction of the air electrode was remarkably enhanced.

Copyright © 2012 The Electrochemical Society of Japan

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