引用本文:
刘小平, 陆君涛, 查全性. 带-带和带-平面电极的扩散极限电流[J]. 物理化学学报,
1993, 9(04): 528-532.
doi:
10.3866/PKU.WHXB19930419
Citation: Liu Xiao-Ping, Lu Jun-Tao, Cha Quan-Xing. Diffusion Limiting Currents at Band-Band and Band-Plane Electrodes[J]. Acta Physico-Chimica Sinica, 1993, 9(04): 528-532. doi: 10.3866/PKU.WHXB19930419
Citation: Liu Xiao-Ping, Lu Jun-Tao, Cha Quan-Xing. Diffusion Limiting Currents at Band-Band and Band-Plane Electrodes[J]. Acta Physico-Chimica Sinica, 1993, 9(04): 528-532. doi: 10.3866/PKU.WHXB19930419
带-带和带-平面电极的扩散极限电流
摘要:
采用保角变换法推导了共平面的带-带电极和带-平面电极的稳态扩散极限电流及带-平面电极的稳态可逆极化曲线的分析表达式.
English
Diffusion Limiting Currents at Band-Band and Band-Plane Electrodes
Abstract:
Expressions for diffusion limiting currents at a microband electrode paired with a planar electrode of conventional size and with another microband electrode are derived analytically by conformal mapping. It is shown that the diffusion limiting currents depend on the microband electrode width L and the interelectrode gap width d, and they can be expressed as the ratio of the two complete elliptic functions K((square root(1-k~2)~(1/2))) and K(k), where k=(1+2L/d)~(-1) for band electrode pairs and k=(1+L/d)~(-1/2) for the band electrode near a planar electrode of conventional size.
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