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Анализ использования эмпирических соотношений для оценки емкости никель-кадмиевых аккумуляторов фирмы Saft длительного режима разряда

Анализ использования эмпирических соотношений для оценки емкости никель-кадмиевых аккумуляторов фирмы Saft длительного режима разряда

Abstract

The batteries made by the SAFT company with stationary application and low rate of discharge were used in the experiments. Battery discharge was performed up to the voltage of 1 V at constant discharge currents from 0,1Cn (Cn – nominal battery capacitance) up to discharge currents, when the capacitance released by the battery was close to zero. The charging of batteries was performed according to theiroperational manual. It was proven to be the case, that for SAFT batteries of stationary application and low rate of discharge, empirical equations: Korovin-Skundin’s, Peukert’s generalized equation, porous electrode equation, and probability integral describe the alteration of batteries’ capacitance under different discharge currents and same parameters, irrelevant of capacitance of the batteries under investigation. Meanwhile, Peukert’s and Aguf’s equations is true only from the point of inflexion of the experimental curve С(i) infinitely. Liebenow’s equation can’t be used for practical calculations of the capacitance released by alkali batteries.

В экспериментах использовались аккумуляторы фирмы «SAFT» стационарного применения длительного режима разряда. Разряд аккумуляторов выполнялся до напряжения 1 В при постоянных токах разряда от 0,1Cn (Cn – номинальная емкость аккумулятора) до токов разряда, при которых отдаваемая аккумулятором емкость была близка к нулю. Заряд аккумуляторов выполнялся в соответствии с инструкцией по их эксплуатации. Было доказано, что для аккумуляторов фирмы SAFT стационарного применения длительного режима разряда эмпирические уравнения Коровина−Скундина, обобщенное уравнение Пейкерта, уравнение пористого электрода и интеграл вероятности описывают изменение емкости аккумуляторов при различных тока разряда при одних и тех же параметрах независимо от емкости исследуемых аккумуляторов. В то время как уравнения Пейкерта и Агуфа справедливы только от точки перегиба экспериментальной кривой С(i) и до бесконечности. Уравнение Либенова не может быть использовано для вычисления емкости щелочных аккумуляторов.

Keywords

АККУМУЛЯТОР, НИКЕЛЬ-КАДМИЕВЫЙ, ЭМПИРИЧЕСКИЕ УРАВНЕНИЯ, ЕМКОСТЬ, ТОК РАЗРЯДА

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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