CPC H01M 8/1213 (2013.01) [H01M 4/9025 (2013.01); H01M 4/92 (2013.01); H01M 8/1253 (2013.01); H01M 4/8657 (2013.01); H01M 2300/0077 (2013.01)] | 11 Claims |
1. A fuel cell, comprising:
an electrolyte layer;
a base electrode formed on one side of the electrolyte layer; and
a catalyst electrode formed on an opposite side of the electrolyte layer to be separate from the base electrode with the electrolyte layer interposed therebetween,
wherein the catalyst electrode includes:
a first electrode portion that contains platinum (Pt), covers a part of the electrolyte layer, and includes a plurality of electrode columns protruding from a surface of the electrolyte layer; and
a second electrode portion that contains a cerium (Ce) oxide, partially covers a part of a surface of the first electrode portion to form an electrode portion interface in contact with the first electrode portion by only partially covering top surfaces and side surfaces of the electrode columns with Ce oxide such that catalytic reactivity of the Pt is increased at an exposed surface of the first electrode portion.
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