A 'transverse' ac impedance method to follow the nickel oxo-hydroxide electrode charging process

被引：9

作者：

Mancier, V

Metrot, A

Willmann, P

机构：

[1] Fac Sci, CNRS UMR 6107, DTI, Lab Electrochim & Chim Solide, F-51687 Reims 2, France

[2] CNES, F-31401 Toulouse, France

来源：

ELECTROCHIMICA ACTA | 2002年 / 47卷 / 10期

关键词：

nickel hydroxide electrode; ac impedance spectroscopy; state of charge; alkaline batteries; transmission line modelling;

D O I：

10.1016/S0013-4686(01)00896-9

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A new ac impedance spectroscopy method is proposed to follow the charge-discharge processes of nickel oxo-hydroxide electrode (NOHE) in KOH media and thereafter to determine their state of charge (SOC), involving in situ measurements of the impedance between two electronic contacts soldered on opposite edges of the electrode. A transmission line (TL) model is developed and fitted to experimental results. The physical significance of its parameters is discussed, taking into account one- and two-phase domains. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

收藏

页码：1633 / 1640

页数：8

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