Details

Autor(en) / Beteiligte

• Si, Yu Jun
• Chen, Chang Guo
• Yin, Wei
• Cai, Hui

Titel

Electrocatalytic activity of non-precious metal catalyst Co-N/C toward oxygen reduction reaction

Ist Teil von

• Chinese chemical letters, 2010-08, Vol.21 (8), p.983-986

Ort / Verlag

Elsevier B.V

Erscheinungsjahr

2010

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• 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）.