Abstract
In this paper, the use possibility was analyzed of the most wellknown generalized Peukert’s equations, for computing of released capacity of nickel-cadmium batteries at different discharge currents. It was proved that these equations correspond well to experimental data throughout the entire variation interval of discharge currents. It was shown that the parameter n does not depend on a nominal capacity of a batteries under examination. Farther, it was shown that a functional dependence of a battery’s released capacity with a discharge current is determined by the statistical phase transition subjected to the normal distribution law.
Highlights
All the contemporary technical devices contain batteries in their structure
There were used the batteries of production by SAFT the company, of stationary use with pocket electrodes: SBLE 15, SBLE 95, SBLE 230
The obtained experimental data for the batteries under examination are represented in the Figure 1
Summary
All the contemporary technical devices contain batteries in their structure. In the papers [2,3], the Peukert’s equation was used as a component part of statistical models for evaluation of a remaining capacity in lithium-ion batteries. The Peukert’s equation is used as one of possible criteria for a validation of fundamental electrochemical models of batteries [4,5,6,7,8] and non-linear structural models [911]. A use of this kind of models requires a knowledge of a lot number of local parameters, which – at any system changes – are necessary to be corrected. The statistical models are used, when there is a need in modeling of such poorly studied phenomena in batteries as the thermal runaway [16,17] or the hydrogen accumulation in electrodes [18,19]
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