Influence of particle size distribution on insertion processes in composite electrodes. Potential step and EIS theory Part I. Linear diffusion

被引：43

作者：

Diard, JP ^{[1
]}

Le Gorrec, B ^{[1
]}

Montella, C ^{[1
]}

机构：

[1] Ecole Natl Super Electrochim & Electromet Grenobl, Lab Electrochim & Physicochim Mat & Interfaces, UMR 5631 CNRS, UJF, F-38402 St Martin Dheres, France

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2001年 / 499卷 / 01期

关键词：

EIS; potential step; insertion; composite electrodes; particle size distribution;

D O I：

10.1016/S0022-0728(00)00479-4

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Diffusion of guest species in particles of host material in composite electrodes is investigated for potential step and EIS methods taking particle size distribution into consideration. Theoretical expressions are derived for the output response to a potential step and the diffusion impedance considering linear diffusion in particles. Numerical calculations are used to demonstrate the effects of particle size distribution. Generalisation is possible considering other particle and/or diffusion geometries. Previous results in electrochemical literature are discussed in the light of the theoretical derivations proposed in this paper. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：67 / 77

页数：11

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