阀控式铅酸蓄电池的功能原理、结构及应用

TELESCON '94 - The First International Telecommunications Energy Special Conference Pub Date : 1994-04-11 DOI:10.1109/TELESC.1994.4794379

D. Kunze

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引用次数: 1

摘要

其中一种寄生反应是电解液中水的电解分解(水解)，从而产生氧气和氢气。水的分解电位(25°C时为1.23伏)远低于铅酸电池的平衡电位(约2.1伏)。这种反应的速率随着电势呈指数增长(在传统电池中每0.2伏增加10倍)。电池在充电过程中，随着电荷状态和电势的升高，分解出的水越来越多。

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Principles of Function, Construction and Application of Valve Regulated Lead-Acid Batteries

One of these parasitic reactions is the electrolytic decomposition of water (hydrolysis) in the electrolyte, thereby developing the gases oxygen and hydrogen. The decomposition-potential of water (1.23 volts at 25°C) is far below the equilibrium potential of a lead-acid battery (ca. 2.1 volts). The rate of this reaction rises exponentially with the potential (by a factor 10 for every 0.2 volts in conventional batteries). During the charging of a battery, more and more water is decomposed with rising state of charge and potential.

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TELESCON '94 - The First International Telecommunications Energy Special Conference

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