原位电解制备WO_3/Ni-B_i析氧催化剂  

PREPARATION OF WO3_/Ni-B_i OXYGEN-EVOLUTION CATALYST BY SITU ELECTROLYSIS

作　　者：于卓斌 赵强[1] 袁雯[2] 李晋平[1] 

机构地区：[1]太原理工大学精细化工研究所,太原030024 [2]太原师范学院化学系,太原030006

出　　处：《太阳能学报》2014年第10期1883-1888,共6页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金(51002103;21136007)

摘　　要：在温和条件(常温、常压、近中性)下原位电解制备WO3/Ni-Bi析氧催化剂,该催化剂具有较好的析氧催化性能(析氧速率为4.50μmol/h,电流密度为1 mA/cm2时析氧过电位为258 mV)。通过电化学方法对其析氧性能和稳定性能进行测试,并通过XRD、SEM、EDS、XPS表征方法对其形貌、结构及组成进行分析。A WO3/Ni-Bi oxygen-evolution catalyst was generated in situ electrolysis under mild condition （ ambient temperature, pressure and nearly neutral）, which showed excellent catalytic activity with the oxygen-evolution rate of 4.50 μmol/h, the overpotential of 258 mV at the current density of 1 mA/cm2. The oxygen-evolution performance and stability were tested by electrochemical means. The structure, morphology, and composition of the catalyst were investigated by XRD, SEM, EDS and XPS.

关 键 词：温和条件 原位 电解水 析氧 催化剂 

分 类 号：O614[理学—无机化学]