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1 多孔电极EIS仿真时参数默认值

Table 1 Default parameter values for simulating EIS of porous electrodes

Parameter Default References Electrode thickness (d) 90 μm [27, 28] Unit area interface capacitance (C) 3×10-5 F·cm-2 [29-31] Diffusion coefficient (D) 1×10-13 cm2·s-1 [32-34] Characteristic hole depth (Lp) 90 nm [29] Unit volume surface area (Sc) 2×104 cm-1 [35,36] Rate constant (k) 1×10-7 cm·s-1 [37,38] Electronic conductivity (σ1 ) 5×10-1 S·cm-1 [39,40] Electrolyte ionic conductivity (σ2) 5×10-3 S·cm-1 [41-43] Interface charge transfer conductivity (gct) 7.6 S·cm-1 [29, 30]