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Ultrafine Co6Mo6C nanocrystals on reduced graphene oxide as efficient and highly stable electrocatalyst for hydrogen generation

文献类型：期刊论文

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作者He CY(何春勇); Zhang SK(张晟恺); Tao JZ(陶举洲); He, Chunyong; Zhang, Shengkai; Tao, Juzhou; Qiu, Yongfu
刊名INTERNATIONAL JOURNAL OF HYDROGEN ENERGY ; INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
出版日期2018 ; 2018
卷号43期号:45页码:20323-20331
关键词Ultrafine Ultrafine Bimetallic carbide Electrocatalyst Hydrogen evolution reaction Water splitting Bimetallic carbide Electrocatalyst Hydrogen evolution reaction Water splitting
ISSN号0360-3199 ; 0360-3199
DOI10.1016/j.ijhydene.2018.09.019 ; 10.1016/j.ijhydene.2018.09.019
文献子类Article ; Article
英文摘要Up to now, it is still a great challenge to develop active, durable and low-cost non-precious metal catalysts toward hydrogen evolution reaction (HER). In this paper, we synthesized ultrafine Co6Mo6C nanocrystals on reduced graphene oxide (RGO) support (Co6Mo6C/RGO). The Co6Mo6C/RGO shows Pt-like HER performance, which exhibits almost zero onset overpotential, and very small overpotential of 64 mV at 10 mA cm(-2). In addition, the Co6Mo6C/RGO has a very small Tafel slope of 44 mV dec(-1) and a high exchange current density of 0.402 mA cm(-2), suggesting fast reaction kinetics. Furthermore, the Co6Mo6C/RGO demonstrates superior durability in acid electrolyte. The distinguished HER performance makes Co6Mo6C/RGO the promising candidate as non-precious metal catalyst for HER in acid electrolyte. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.; Up to now, it is still a great challenge to develop active, durable and low-cost non-precious metal catalysts toward hydrogen evolution reaction (HER). In this paper, we synthesized ultrafine Co6Mo6C nanocrystals on reduced graphene oxide (RGO) support (Co6Mo6C/RGO). The Co6Mo6C/RGO shows Pt-like HER performance, which exhibits almost zero onset overpotential, and very small overpotential of 64 mV at 10 mA cm(-2). In addition, the Co6Mo6C/RGO has a very small Tafel slope of 44 mV dec(-1) and a high exchange current density of 0.402 mA cm(-2), suggesting fast reaction kinetics. Furthermore, the Co6Mo6C/RGO demonstrates superior durability in acid electrolyte. The distinguished HER performance makes Co6Mo6C/RGO the promising candidate as non-precious metal catalyst for HER in acid electrolyte. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
电子版国际标准刊号1879-3487 ; 1879-3487
WOS关键词OXYGEN REDUCTION REACTION ; OXYGEN REDUCTION REACTION ; EVOLUTION REACTION ; BIFUNCTIONAL ELECTROCATALYST ; HYBRID ; NANOPARTICLES ; CATALYST ; PT/C ; PERFORMANCE ; NANOSHEETS ; SUBSTRATE ; EVOLUTION REACTION ; BIFUNCTIONAL ELECTROCATALYST ; HYBRID ; NANOPARTICLES ; CATALYST ; PT/C ; PERFORMANCE ; NANOSHEETS ; SUBSTRATE
WOS研究方向Physics ; Physics
语种英语 ; 英语
WOS记录号WOS:000450539500002 ; WOS:000450539500002
源URL[http://ir.ihep.ac.cn/handle/311005/286693]  
专题高能物理研究所_东莞分部
高能物理研究所_实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714		 He CY,Zhang SK,Tao JZ,et al. Ultrafine Co6Mo6C nanocrystals on reduced graphene oxide as efficient and highly stable electrocatalyst for hydrogen generation, Ultrafine Co6Mo6C nanocrystals on reduced graphene oxide as efficient and highly stable electrocatalyst for hydrogen generation[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2018, 2018,43, 43(45):20323-20331, 20323-20331.
APA 何春勇.,张晟恺.,陶举洲.,He, Chunyong.,Zhang, Shengkai.,...&Qiu, Yongfu.(2018).Ultrafine Co6Mo6C nanocrystals on reduced graphene oxide as efficient and highly stable electrocatalyst for hydrogen generation.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,43(45),20323-20331.
MLA 何春勇,et al."Ultrafine Co6Mo6C nanocrystals on reduced graphene oxide as efficient and highly stable electrocatalyst for hydrogen generation".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 43.45(2018):20323-20331.

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来源：高能物理研究所

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