Ketjen black carbon supported CoO@Co−N−C nanochains as an efficient electrocatalyst for oxygen evolution

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成果类型：

期刊论文

作者：

Liu, Guiyu y;Liu, Jinlong;Liu, Beibei;Yang, Chunming;Qian, Dong*;...

通讯作者：

Qian, Dong;Li, Junhua

作者机构：

[Liu, Guiyu y; Liu, Jinlong; Liu, Beibei; Qian, Dong] Cent South Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Hunan Prov Key Lab Efficient & Clean Utilizat Man, Changsha 410083, Hunan, Peoples R China.

[Liu, Guiyu y; Li, Junhua] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

[Liu, Jinlong; Yang, Chunming] Hunan Normal Univ, Coll Chem & Chem Engn, Changsha 410081, Hunan, Peoples R China.

通讯机构：

[Qian, Dong] C

[Li, Junhua] H

Cent South Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Hunan Prov Key Lab Efficient & Clean Utilizat Man, Changsha 410083, Hunan, Peoples R China.

Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

语种：

英文

关键词：

Carbon;Electrocatalysts;Oxygen;Potassium hydroxide;Ruthenium compounds;Urea;Core shell structure;Electrocatalytic activity;Electrocatalytic performance;Electronic conductivity;Ketjen black;Oxygen evolution;Oxygen evolution reaction;Synergistic effect;Cobalt compounds

期刊：

International Journal of Hydrogen Energy

ISSN：

0360-3199

年：

2018

卷：

期：

页码：

22942-22948

DOI：

10.1016/j.ijhydene.2018.10.142

基金类别：

This work was financially supported by National Natural Science Foundation of China (No. 51874359 , 21171174 and 21505035 ), and Hunan Provincial Science and Technology Plan Project (No. 2016TP1007 and 2017TP1001 ).

机构署名：

本校为通讯机构

院系归属：

化学与材料科学学院

摘要：

We demonstrate an extremely facile in-situ pyrolysis followed by the reduction of partial Co2+ route to synthesize novel Ketjen black carbon (KB) supported CoO@Co−N−C (denoted as CoO@Co−NC/KB) nanochains using KB, urea and cobalt (Ⅱ) acetate as co-precursors. The as-prepared CoO@Co-NC/KB displays higher electrocatalytic activity, smaller Tafel slope and better durability for the oxygen evolution reaction than those of the benchmark commercial RuO2 catalyst in 1.0 M KOH solution, far outperforming the control groups (i.e. CoO@Co−g-C3N4/KB, ...

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Ketjen black carbon supported CoO@Co−N−C nanochains as an efficient electrocatalyst for oxygen evolution

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