C and N Hybrid Coordination Derived Co-C-N Complex as a Highly Efficient Electrocatalyst for Hydrogen Evolution Reaction

Zhong Li Wang; Xian Feng Hao; Zheng Jiang; Xue Ping Sun; Dan Xu; Jun Wang; Hai Xia Zhong; Fan Lu Meng; Xin Bo Zhang

doi:10.1021/jacs.5b09021

C and N Hybrid Coordination Derived Co-C-N Complex as a Highly Efficient Electrocatalyst for Hydrogen Evolution Reaction

Zhong Li Wang, Xian Feng Hao, Zheng Jiang, Xue Ping Sun, Dan Xu, Jun Wang, Hai Xia Zhong, Fan Lu Meng, Xin Bo Zhang

Research output: Contribution to journal › Article › peer-review

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Abstract

Development of an efficient hydrogen evolution reaction (HER) catalyst composed of earth-abundant elements is scientifically and technologically important for the water splitting associated with the conversion and storage of renewable energy. Herein we report a new class of Co-C-N complex bonded carbon (only 0.22 at% Co) for HER with a self-supported and three-dimensional porous structure that shows an unexpected catalytic activity with low overpotential (212 mV at 100 mA cm^-2) and long-term stability, better than that of most traditional-metal catalysts. Experimental observations in combination with density functional theory calculations reveal that C and N hybrid coordination optimizes the charge distribution and enhances the electron transfer, which synergistically promotes the proton adsorption and reduction kinetics.

Original language	English
Pages (from-to)	15070-15073
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	137
Issue number	48
DOIs	https://doi.org/10.1021/jacs.5b09021
State	Published - 9 Dec 2015
Externally published	Yes

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title = "C and N Hybrid Coordination Derived Co-C-N Complex as a Highly Efficient Electrocatalyst for Hydrogen Evolution Reaction",

abstract = "Development of an efficient hydrogen evolution reaction (HER) catalyst composed of earth-abundant elements is scientifically and technologically important for the water splitting associated with the conversion and storage of renewable energy. Herein we report a new class of Co-C-N complex bonded carbon (only 0.22 at% Co) for HER with a self-supported and three-dimensional porous structure that shows an unexpected catalytic activity with low overpotential (212 mV at 100 mA cm-2) and long-term stability, better than that of most traditional-metal catalysts. Experimental observations in combination with density functional theory calculations reveal that C and N hybrid coordination optimizes the charge distribution and enhances the electron transfer, which synergistically promotes the proton adsorption and reduction kinetics.",

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doi = "10.1021/jacs.5b09021",

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T1 - C and N Hybrid Coordination Derived Co-C-N Complex as a Highly Efficient Electrocatalyst for Hydrogen Evolution Reaction

AU - Wang, Zhong Li

AU - Hao, Xian Feng

AU - Jiang, Zheng

AU - Sun, Xue Ping

AU - Xu, Dan

AU - Wang, Jun

AU - Zhong, Hai Xia

AU - Meng, Fan Lu

AU - Zhang, Xin Bo

PY - 2015/12/9

Y1 - 2015/12/9

N2 - Development of an efficient hydrogen evolution reaction (HER) catalyst composed of earth-abundant elements is scientifically and technologically important for the water splitting associated with the conversion and storage of renewable energy. Herein we report a new class of Co-C-N complex bonded carbon (only 0.22 at% Co) for HER with a self-supported and three-dimensional porous structure that shows an unexpected catalytic activity with low overpotential (212 mV at 100 mA cm-2) and long-term stability, better than that of most traditional-metal catalysts. Experimental observations in combination with density functional theory calculations reveal that C and N hybrid coordination optimizes the charge distribution and enhances the electron transfer, which synergistically promotes the proton adsorption and reduction kinetics.

AB - Development of an efficient hydrogen evolution reaction (HER) catalyst composed of earth-abundant elements is scientifically and technologically important for the water splitting associated with the conversion and storage of renewable energy. Herein we report a new class of Co-C-N complex bonded carbon (only 0.22 at% Co) for HER with a self-supported and three-dimensional porous structure that shows an unexpected catalytic activity with low overpotential (212 mV at 100 mA cm-2) and long-term stability, better than that of most traditional-metal catalysts. Experimental observations in combination with density functional theory calculations reveal that C and N hybrid coordination optimizes the charge distribution and enhances the electron transfer, which synergistically promotes the proton adsorption and reduction kinetics.

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U2 - 10.1021/jacs.5b09021

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M3 - 文章

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SN - 0002-7863

VL - 137

SP - 15070

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JO - Journal of the American Chemical Society

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IS - 48

ER -

C and N Hybrid Coordination Derived Co-C-N Complex as a Highly Efficient Electrocatalyst for Hydrogen Evolution Reaction

Abstract

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