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Article Dans Une Revue Electrochimica Acta Année : 2010

Characterization of supercapacitors matrix

Résumé

This paper treats supercapacitors matrix characterization. In order to cut off transient power peaks and to compensate for the intrinsic limitations in embedded sources, the use of supercapacitors as a storage system is quite suitable, because of their appropriate electrical characteristics (huge capacitance, small series resistance, high specific energy, high specific power), direct storage (energy ready for use), and easy control by power electronic conversion. This use requires supercapacitors modules where several cells connected in serial and/or in parallel, thus a bypass system to balance the charging or the discharging of supercapacitors is required. In the matrix of supercapacitors, six elements of three parallel BCAP0350 supercapacitors in serial connections have been considered. This topology permits to reduce the number of the bypass circuits and it can work in degraded mode. Actually, it allows the system to have more reliability by providing power continually to the load even when there are one or more cells failed. Simulation and experimental results are presented and discussed.

Dates et versions

hal-02150181 , version 1 (07-06-2019)

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R. Gallay, G. Alcicek, B. Tala-Ighil, A. Oukaour, B. Boudart, et al.. Characterization of supercapacitors matrix. Electrochimica Acta, 2010, 55 (25), pp.7532-7537. ⟨10.1016/j.electacta.2010.02.053⟩. ⟨hal-02150181⟩
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