On the impedance of the gassing reactions in lead-acid batteries

被引：9

作者：

Hammouche, A ^{[1
]}

Karden, E ^{[1
]}

Walter, J ^{[1
]}

De Doncker, RW ^{[1
]}

机构：

[1] Aachen Univ Technol, Inst Power Elect & Elect Dr, D-52066 Aachen, Germany

来源：

JOURNAL OF POWER SOURCES | 2001年 / 96卷 / 01期

关键词：

lead-acid batteries/flooded; polarization; gas evolution reactions;

D O I：

10.1016/S0378-7753(01)00488-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Oxygen and hydrogen evolution reactions in flooded lead-acid batteries during float charging were studied by galvanostatic steady-state polarization and impedance spectroscopy techniques. Given the very low relaxation frequencies of such processes (between ? and 0.05 mHz), impedance measurements needed to he extended to the ultra-low frequency domain. Investigation of their dynamic behavior provided a complete description of the porous character of the active zone. The steps involved in the reaction mechanisms are also discussed. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：106 / 112

页数：7

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