Facile hydrothermal synthesis of NiTe and its application as positive electrode material for asymmetric supercapacitor
作者： Pei Zhou , Leqing Fan , Jihuai Wu , Chao Gong , Jinfang Zhang
DOI: 10.1016/J.JALLCOM.2016.05.287
关键词: Electrochemistry 、 Materials science 、 Hydrothermal synthesis 、 Supercapacitor 、 Current density 、 Electrolyte 、 Chemical engineering 、 Capacitance 、 Electrode 、 Pseudocapacitance
摘要: Abstract Nickel telluride (NiTe) rods are grown on Ni foam substrate by a simple hydrothermal route. The electrochemical properties of NiTe electrode evaluated cyclic voltammograms (CV), galvanostatic charge/discharge (GCD) tests. prepared shows specific capacitance 804 F g −1 at the current density 1 A g and remarkable cycling stability. In order to improve energy broaden potential window, an asymmetric supercapacitor containing as positive activated carbon (AC) negative in 3 M KOH electrolyte is assembled. fabricated can work voltage range 0–1.6 V displays high 33.6 Wh kg power 807.1 W kg . Additionally, AC//NiTe good rate capability durability.
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