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Peukerts law

Dependency of the capacity on the discharge current and the temperature. Peukert s law [Pg.190]

So long as the discharge currents remain reasonable (around 1 C), the capacity depends only very little, if at all, on the regime of discharge, but appears to be more sensitive to temperature than is the case for a lead-acid battery. Peukert s law, introduced for lead-acid batteries, describes the dependency of the capacity on the discharge current. It is expressed thus  [Pg.190]

Glaize S. Genies, Lead and Nickel Electrochemical Batteries, ISTE Ltd, London, John Wiley Sons, New York, p. 243-245,2012. [Pg.190]

8 Although it is called a law, Peukert s law is in fact an empiricaUy-detemiined expression and does not have the nature of a fundamental law. [Pg.190]

To illustrate this analysis, we have given three results obtained with C-NCA elements in three very different formats a 45 Ah element, a 10 Ah element designed for energy-oriented applications and a 700 mAh cylindrical element (see Table 6.9). [Pg.191]


The Peukert law takes into account the internal resistance and recovery rate of a battery. A value close to 1 indicates a well-performing battery with good efficiency and minimal loss a higher number reflects a less efficient battery. Figure 8.3 illustrates the available capacity as a function of ampere with different Peukert ratings. [Pg.215]


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