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Electrocatalytic activity of non-precious metal catalyst Co-N/C toward oxygen reduction reaction 被引量:3
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作者 Yu Jun Si chang guo chen +1 位作者 Wei Yin Hui Cai 《Chinese Chemical Letters》 SCIE CAS CSCD 2010年第8期983-986,共4页
Metallic cobalt was deposited on acetylene black to synthesize a composite Co/C by chemical reduction method.A platinumfree electrocatalyst Co-N/C(800) for oxygen reduction reaction(ORR) was synthesized by mixing ... Metallic cobalt was deposited on acetylene black to synthesize a composite Co/C by chemical reduction method.A platinumfree electrocatalyst Co-N/C(800) for oxygen reduction reaction(ORR) was synthesized by mixing the composite Co/C with urea and heat-treating at 800℃.The results from linear sweep voltammograms indicated that the Co-N/C(800) is active to ORR.Theβ-Co and cobalt oxides are not the active site of the catalyst Co-N/C.However,the existence of cobalt facilitated the modification of nitrogen to carbon black and led to the formation of active site of catalyst Co-N/C(800). 展开更多
关键词 Oxygen reduction reaction ELECTROCATALYST Non-precious metal Active site
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