片状Co9S8/ZnS/C复合材料的制备及电催化产氧性能  

Preparation and Electrocatalytic Performance of Flake Co9S8/ZnS/C Composites for Oxygen Evolution Reduction

作　　者：李志学 任铁强[1] 耿忠兴 杨占旭[1] LI Zhi-Xue;REN Tie-Qiang;GENG Zhong-Xing;YANG Zhan-Xu(College of Chemistry,Chemical Engineering and Environmental Engineering,Liaoning Shihua University,Fushun,Liaoning 113006,China)

机构地区：[1]辽宁石油化工大学化学化工与环境学部

出　　处：《无机化学学报》2019年第12期2318-2322,共5页Chinese Journal of Inorganic Chemistry

基　　金：国家自然科学基金面上项目(No.21671092);辽宁省“兴辽英才”科技创新领军人才项目(No.XLYC1802057)资助

摘　　要：以六水合硝酸钴[Co(NO3)2·6H2O]为钴源、六水合硝酸锌[Zn(NO3)2·6H2O]为锌源、2,2′-硫代二乙酸(C4H6O4S)为硫源,采用溶剂热法制备出了片状的Co9S8/ZnS/C复合材料。采用X射线衍射(XRD)、扫描电镜(SEM)、透射电镜(TEM)和N2吸附/脱附测试等手段对于片状Co9S8/ZnS/C复合材料结构和形貌等进行表征,同时对片状Co9S8/ZnS/C复合材料进行了电催化产氧性能测试。结果表明:片状Co9S8/ZnS/C复合材料的起始过电位为390 mV,塔菲尔斜率为144 mV·dec^-1,具有高的电催化产氧性能。The flake Co9S8/ZnS/C composites were prepared by solvothermal method,through using cobalt hexahydrate[Co(NO3)2·6H2O]as cobalt source,zinc hexahydrate nitrate[Zn(NO3)2·6H2O]as zinc source and 2,2′-thiodiacetic acid(C4H6O4S)as sulfur source.The flake Co9S8/ZnS/C composites structure and morphology were characterized by X-ray diffraction(XRD),scanning electron microscopy(SEM),transmission electron microscopy(TEM),N2 adsorption-desorption test.Meanwhile,the results of electrocatalytic oxygen evolution reaction for the flake Co9S8/ZnS/C composite showed that it had high electrocatalytic oxygen production performance,with the initial overpotential of 390 mV and the Tafel slope of 144 mV·dec^-1.

关 键 词：Co9S8/C ZNS 过渡金属 电解水 析氧反应 溶剂热法 

分 类 号：O614[理学—无机化学]