MnCo^(2)O^(4)形貌调控和析氧性能研究  

Research on Oxygen Evolution Reaction and Morphological Control in MnCo_(2)O_(4) Spinel

作　　者：叶蓉蓉 陈欣如 韩瑞 顾凯杰 陶石 吴大军 钱斌 YE Rongrong;CHEN Xinru;HAN Rui;GU Kaijie;TAO Shi;WU Dajun;QIAN Bin(School of Electronic and Information Engineering,Changshu Institute of Technology,Changshu 215500,China;Jiangsu Laboratory of Advanced Functional Materials,Changshu Institute of Technology,Changshu 215500,China)

机构地区：[1]常熟理工学院电子信息工程学院,江苏常熟215500 [2]常熟理工学院江苏省新型功能材料重点建设实验室,江苏常熟215500

出　　处：《常熟理工学院学报》2021年第2期5-7,共3页Journal of Changshu Institute of Technology

基　　金：国家自然科学基金青年基金项目“新型过渡金属磷化物钠离子电池负极材料的可控合成及同步辐射研究”(11705015);苏州市科技计划项目“苏州市绿色储能电池及系统技术重点实验室”(SYZ201710)。

摘　　要：利用水热合成的方法制备了片状、塔状和自分叉结构的MnCo^(2)O^(4)电极材料.通过XRD、Raman、SEM和TEM表征手段验证了合成的MnCo^(2)O^(4)电极材料的结构、形貌和晶格结构.作为析氧反应催化剂,其在20 mA·cm^(-2)电流密度下,具有300 mV(自分叉结构)、370 mV(塔状)和450 mV(片状)的过电位.In this paper,the various morphological MnCo2O4 spinel structures are fabricated by the hydrothermal process,such as nanosheet,tower structure and self-branched MnCo2O4 materials.The crystalline structure and morphology are verified by XRD,Raman,SEM and TEM.As the oxygen evolution reaction electrocatalyst,the obtained MnCo2O4 exhibits low overpotential of 300 mV(self-branched),370 mV(tower structure)and 450 mV (nanosheets).

关 键 词：钴酸锰MnCo_(2)O_(4) 负极材料 析氧反应 

分 类 号：O469[理学—凝聚态物理]