عنوان
Basic charge storage mechanism of cobalt sulfide electrode material for supercapacitor
نویسنده (گان)
Saleki,Fereshteh;Dehghanifard,Marzie;Chabi,Niyousha
چکیده مقاله
Recently, since supercapacitors have received considerable attention, a large number of studies have been developed to create efficient electrodes to respond to ever-increasing demands of supercapacitors. The boundary between the electrochemical capacitors and batteries is less pronounced. The similar material may exhibit capacitor battery-like behavior depending on the charge storage guest ions and the electrode design. In this work a system containing cobalt sulfide (CoS) electrodes and KOH (6 Molar) as electrolyte, has been studied to check its ability as supercapacitor or battery. The amount of b-value can be used to prepare guidance for the practical design of high-performance electrode materials. In this report, the calculated b-value for cobalt sulfide electrode is closer to 1 in a very wide range of sweep rate . Therefore, the charge storage mechanism in these studied electrodes is capacitive rather than battery-type materials

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