Generalized Peukert Equation for Estimating the Remaining Capacity of Nickel–Metal Hydride Batteries | Chapter 1 | Novel Aspects on Chemistry and Biochemistry Vol. 2

 This study proposed to improve the Peukert equation because it can be secondhand for the nickel–metal hydride batteries at some temperature and discharge current. Batteries of differing electrochemical systems are used in many mechanics devices, instruments and airplanes. For the operation of any mechanics object containing batteries, it is very important to experience the residual volume of the batteries because the operation du-ration of all technical object depends on the leftover capacity of the batteries. In this paper, it is experimentally showed that the generalized Peukert equating C(i,T) = Cm(T)/(1 + (i/i0(T))n(T)) is applicable to nickel–hardware hydride batteries at any discharge currents, while the classical Peukert equating can be secondhand only in a limited range of the discharge currents (approximately from 0.3 Cn to 3 Cn). In addition, the simple Peikert equation does not allow for possibility the influence of the temperature of a battery on allure released ability. It is also proven that for the smaller currency in exchange for larger–metal hydride batteries, the generalized Peukert equating heavily depends on artillery temperature (via the limits Cm(T), i0(T) and n(T)).The physical importance of the generalised Peukert equation's parameters' hotness dependencies is also settled. Any discharge current and battery hotness can be used accompanying the obtained generalised Peukert equating, which takes the batteries' temperature into report. For standby capacity of communication systems in photovoltaic structures, electric vehicles, etc., coat with metallic material-metal hydride batteries are commonly used. Because they are thought expected more environmentally friendly than coat with metallic material-cadmium batteries, nickel-metal hydride batteries demand accurate computation models. Many battery models employ the Peukert equating.

Author(s) Details:

Nataliya N. Yazvinskaya,
Laboratory of Electrochemical and Hydrogen Energy, Don State Technical University, Rostov-on-Don 344000, Russia.

Please see the link here: https://stm.bookpi.org/NACB-V2/article/view/10655