Superior performance of borocarbonitrides, BxCyNz, as stable, low-cost metal-free electrocatalysts for the hydrogen evolution reaction

被引：200
|
作者：
Chhetri, Manjeet [1 ]
Maitra, Somak [1 ]
Chakraborty, Himanshu [2 ]
Waghmare, Umesh V. [2 ]
Rao, C. N. R. [1 ]
机构：
[1] Jawaharlal Nehru Ctr Adv Sci Res, New Chem Unit, Int Ctr Mat Sci, Bangalore 560064, Karnataka, India
[2] Jawaharlal Nehru Ctr Adv Sci Res, Theoret Sci Unit, Bangalore 560064, Karnataka, India
来源：
ENERGY & ENVIRONMENTAL SCIENCE | 2016年 / 9卷 / 01期
关键词：
CORE-SHELL ELECTROCATALYSTS; CARBON NITRIDE SHELL; OXYGEN REDUCTION; GRAPHENE; CATALYST; WATER; ELECTRODES; MOS2; NANOPARTICLES; NANORIBBONS;
D O I：
10.1039/c5ee02521d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report superior hydrogen evolution activity of metal-free borocarbonitride (BCN) catalysts. The highly positive onset potential (-56 mV vs. RHE) and the current density of 10 mA cm(-2) at an overpotential of 70 mV exhibited by a carbon-rich BCN with the composition BC7N2 demonstrates the extraordinary electrocatalytic activity at par with Pt. Theoretical studies throw light on the cause of high activity of this composition. The high activity and good stability of BCNs surpass the characteristics of other metal-free catalysts reported in recent literature.
引用
收藏
页码：95 / 101
页数：7
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