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Multi-physical characterization of supercapacitor

机译:超级电容器的多物理特性

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This paper presents the supercapacitor parameters variations due to number of cycles (NbCy), the frequency of DC-current and the temperature. The goal of this study consists to show the parameters evolution which can serve to determine the supercapacitor energetic performances limits estimation for different conditions of use. The contribution of the paper is focused on the impacts of charge/discharge DC-current's frequency, the temperature and the number of cycles on supercapacitor resistance and capacitance. The proposed method uses several DC-current profiles based on fluctuations and no fluctuations consideration. To do the supercapacitor stress tests, the experimental tests based on charge and discharge operations with fluctuating DC-current are done. To do estimation of the series resistance and capacitance (characterization) a constant DC-current without any fluctuations consideration is used. The experimental tests results are presented and the impacts of the number of cycles, the frequency of DC-current and the temperature are analyzed.
机译:本文介绍了由于循环次数(NbCy),直流电流的频率和温度导致的超级电容器参数变化。这项研究的目的在于显示参数演化,这些参数演化可用于确定不同使用条件下的超级电容器能量性能极限估计。本文的贡献集中在充电/放电直流电流的频率,温度和循环次数对超级电容器电阻和电容的影响上。所提出的方法基于波动而没有考虑波动的情况下使用了多个直流电流曲线。为了进行超级电容器应力测试,基于直流电流波动的充放电操作进行了实验测试。为了估算串联电阻和电容(特性),使用恒定的直流电流而不考虑任何波动。给出了实验测试结果,并分析了循环次数,直流电流频率和温度的影响。

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