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Consideration of the ageing in the control of the balancing circuit of supercapacitor

Abstract : Due to their relative low nominal voltage, a great number of supercapacitors are connected in order to obtain a suitable voltage. In the other side, the position of supercapacitor, inside the stack, has a great influence on the temperature of the component. It has been shown, in a lot of works, that the temperature has a great influence on the variation of the characteristics of the supercapacitors during time. So a balancing circuit is normally added in parallel with the supercapacitors in order to equalize all the voltages inside the stack, and to prevent overvoltage across the supercapacitor, which has the lowest capacitance. Our goal, in this article, is to propose a balancing strategy which takes into account the temperature of each supercapacitor inside the stack and the ageing law of the super-capacitors. This strategy improves the lifetime of the whole stack.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-00799809
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Submitted on : Tuesday, March 12, 2013 - 4:25:04 PM
Last modification on : Monday, September 13, 2021 - 2:44:03 PM

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  • HAL Id : hal-00799809, version 1

Citation

Paul Kreczanik, Thibaut Kovaltchouk, Alaa Hijazi, Pascal Venet, Guy Clerc. Consideration of the ageing in the control of the balancing circuit of supercapacitor. ESSCAP'10, Oct 2010, Bordeaux, France. pp.ES10-38. ⟨hal-00799809⟩

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