Two-Dimensional Cadmium Hydroxide Nanosheets for Electrochemical Capacitors Under High Operating Voltage
作者： Karthik S. Bhat , Basavaraj R. Huvinahalli , H. S. Nagaraja
DOI: 10.1007/S11664-019-07860-W
关键词:
摘要: Electrochemical capacitors are deemed to be the most prospective energy storage devices in field of alternative sources. Here, cadmium hydroxide (Cd(OH)2) nanosheets hydrothermally synthesized and used as electrodes for supercapacitors. Physiochemical properties as-synthesized materials examined using powder x-ray diffraction, scanning electron microscopy, high-resolution transmission microscopy energy-dispersive spectroscopy measurements. investigations reveal an excellent operating potential window 1.5 V, with specific capacitance of ∼ 71 F g−1 at a scan rate 2 mV s−1. In addition, Cd(OH)2 complemented by good cyclic retention 2000 cycles. Further, analysis type charge-storage mechanism reveals prominent contributions from diffusion-controlled processes.
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