Nanostructured nickel hydroxide Ni(OH) 2 for energy storage applications

Author:

Shinde Vijay L.1,Pagare Pavan K.1,Torane Appasaheb P.1

Affiliation:

1. Yashvantrao Chavan Institute of Science

Abstract

Abstract

The Ni(OH)2 nanosheets were grown on stainless steel substrates by single-step hydrothermal technique at different deposition times and their supercapacitive properties were investigated. Using a variety of characterization measures, the produced films' structural, morphological, chemical compositional, and electrochemical characteristics were examined. The X-ray diffraction data shows the rhombohedral structure of synthesized Ni(OH)2. The scanning electron microscopic (SEM) photographs of the prepared nickel hydroxide film shows a nanosheet-like structure. Brunauer-Emmett-Teller (BET) analyses shows that nanosheet-like structures have a big surface area for optimized sample of 16.015 m2g− 1 with a mesoporous network. An electrochemical supercapacitor properties of nickel hydroxide nanosheets demonstrates well performance as the electrode. They shows a specific capacitance of 109 F/g at a current density of 0.7 mA/cm2, furthermore excellent energy density and power density of 10.55 Wh/kg and 170 W/kg respectively. Additionally, they demonstrats good cycling stability for calculating cyclic voltammetry, with approximately 70.06% of the scan rate being 100 mV/s.

Publisher

Research Square Platform LLC

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