宏观均相多孔电极电化学阻抗谱基础

李响, 黄秋安, 李伟恒, 白玉轩, 王佳, 刘杨, 赵玉峰, 王娟, 张久俊

Fundamentals of Electrochemical Impedance Spectroscopy for Macrohomogeneous Porous Electrodes

Xiang Li, Qiu-An Huang, Wei-Heng Li, Yu-Xuan Bai, Jia Wang, Yang Liu, Yu-Feng Zhao, Juan Wang, Jiu-Jun Zhang

表3 σ1和gct 变化时多孔电极的EIS特征

Table 3 EIS characteristics of porous electrodes with respect to σ1 and gct

gct (S·cm-1) σ1 =1σ0 σ1 =10σ0 σ1 =100σ0 1g0 2g0 10g0 1g0 2g0 10g0 1g0 2g0 10g0 K(cm2·s-1) 0.0042 0.0042 0.0042 0.0076 0.0076 0.0076 0.0083 0.0083 0.0083 ωmax(rad·s-1) 5×107 5×107 5×107 9×107 9×107 9×107 1×108 1×108 1×108 ω0 (rad·s-1) 11 22 111 11 22 111 11 22 111 ω1 (rad·s-1) 51 51 51 94 94 94 102 102 102 ω2 (rad·s-1) 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 ω3 (rad·s-1) 0.0012 0.0012 0.0012 0.0012 0.0012 0.0012 0.0012 0.0012 0.0012 fk1(Hz) 0.119 0.195 0.557 0.119 0.195 0.557 0.119 0.195 0.557 fk2(Hz) 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001