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在原位合成氮掺杂碳中嵌入 Co@CoO 纳米粒子作为氧还原和氧析出反应的双功能电催化剂。

In situ synthesis of nitrogen doped carbon with embedded Co@CoO nanoparticles as a bifunctional electrocatalyst for oxygen reduction and oxygen evolution reactions.

机构信息

School of Chemistry and Material Science, Shanxi Normal University, Linfen 041004, China.

出版信息

Chem Commun (Camb). 2018 Nov 8;54(90):12746-12749. doi: 10.1039/c8cc07956k.

DOI:10.1039/c8cc07956k
PMID:30358786
Abstract

A novel electrocatalyst of core-shell structural Co@Co3O4 nanoparticles embedded in an N-doped carbon nanosheet (N-C) (Co@Co3O4/N-C) has been in situ synthesized via a simple pyrolysis and subsequent oxidative calcination. The catalyst exhibits superior bifunctional catalytic activity for the ORR and OER, which is attributed to the synergetic effect between Co and Co3O4 and the carbon layer structure.

摘要

一种新型的核壳结构的 Co@Co3O4 纳米粒子嵌入在氮掺杂碳纳米片中的电催化剂（Co@Co3O4/N-C）通过简单的热解和随后的氧化煅烧原位合成。该催化剂对 ORR 和 OER 表现出优异的双功能催化活性，这归因于 Co 和 Co3O4 以及碳层结构之间的协同效应。

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