电催化剂
卟啉
氧还原反应
化学
还原(数学)
氧气
无机化学
电化学
氧化还原
组合化学
共价键
光化学
过电位
析氧
氧还原
化学工程
电子转移
材料科学
循环伏安法
碳纤维
电极
有机化学
物理化学
几何学
数学
作者
Wenjie Ma,Ping Yu,Takeo Ohsaka,Lanqun Mao
标识
DOI:10.1016/j.elecom.2015.01.021
摘要
A novel efficient electrocatalyst for oxygen reduction reaction (ORR) was synthesized by pyrolysis of a cobalt-based covalent organic framework, which shows electrocatalytic performance comparable with the commercial Pt/C for ORR via an almost four-electron pathway in alkaline media without methanol-crossover effect. This work not only provides a possible insight into the ORR at the M/N/C catalysts, but also paves a new route to the development of novel precious metal-free ORR electrocatalysts with high activities for ORR.
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