水电解制氢非贵金属催化剂的研究进展

常进法,肖瑶,罗兆艳,葛君杰,刘长鹏,邢巍

Recent Progress of Non-Noble Metal Catalysts in Water Electrolysis for Hydrogen Production

Jin-Fa CHANG,Yao XIAO,Zhao-Yan LUO,Jun-Jie GE,Chang-Peng LIU,Wei XING

表1 不同金属表面氧析出反应的动力学参数

Table 1 Kinetic parameters of oxygen evolution reaction on different metals

Metal Electrolyte T/℃ i0/(A? cm-2) Tafel slope/(mV? dec-1) 102Pt 30% KOH 80 1.2×10-5 46 103Ir 1 mol? L-1 NaOH N.A. 1.0×10-7 40 103Rh 1 mol? L-1 NaOH N.A. 6.0×10-8 42 102Fe 30% KOH 80 1.7×10-1 191 102Co 30% KOH 80 3.3×10-2 126 104Ni 50% KOH 90 4.2×10-2 95