NiCo_(2)S_(4)/N microspheres grown on N,S co-doped reduced graphene oxide as an efficient bifunctional electrocatalyst for overall water splitting in alkaline and neutral pH

作     者：Haoquan Li Long Chen Pengfei Jin Yafei Li Jianxiang Pang Juan Hou Shanglong Peng Gang Wang Yulin Shi Haoquan Li;Long Chen;Pengfei Jin;Yafei Li;Jianxiang Pang;Juan Hou;Shanglong Peng;Gang Wang;Yulin Shi

作者机构：Key Laboratory for Green Process of Chemical Engineering of Xinjiang BingtuanSchool of Chemistry and Chemical EngineeringShihezi UniversityShihezi 832003China National&Local Joint Engineering Laboratory for Optical Conversion Materials and TechnologySchool of Physical Science and TechnologyLanzhou UniversityLanzhou 730000China 

出 版 物：《Nano Research》 (纳米研究（英文版）)

年 卷 期：2022年第15卷第2期

页      面：950-958页

核心收录：

学科分类：0808[工学-电气工程] 081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by the National Natural Science Foundation of China(Nos.51962032,61704114,and 51764049) the Youth Innovative Talents Cultivation Fund,Shihezi University(No.KX01480109) the Opening Project of The Research Center for Material Chemical Engineering Technology of Xinjiang Bingtuan(No.2017BTRC007) 

主　　题：wide pH range bifunctional electrocatalyst overall water splitting NiCo_(2)S_(4)/N Sco-doped reduced graphene oxide(NCS/NS-rGO) 

摘      要：It is of vital importance to design efficient and low-cost bifunctional catalysts for the electrochemical water splitting under alkaline and neutral pH *** this work,we report an efficient and stable NiCo_(2)S_(4)/N,S co-doped reduced graphene oxide(NCS/NS-rGO)electrocatalyst for water splitting,in which NCS microspheres are composed of one-dimentional(1D)nanorods grown homogeneously on the surface of NS-rGOs).The synergetic effect,abundant active sites,and hybridization of NCS/NS-rGO endow their outstanding electrocatalytic performance for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)in both alkaline and neutral ***,NCS/NS-rGO employed as both anode and cathode in a two-electrode alkaline and neutral system electrolyzers deliver 10 mA/cm^(2) with the low cell voltage of 1.58 V in alkaline and 1.91 V in neutral *** results illustrate the rational design of carbon-supported nickel-cobalt based bifunctional materials for practical water splitting over a wide pH range.