期刊
JOURNAL OF ENERGY STORAGE
卷 67, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.est.2023.107530
关键词
Binary transition metal oxides; Supercapacitors; CNTs; Molybdenum oxides; Metal oxides; Mesoporous; Asymmetric devices
This study is an experimental comparison of various binary transition metal oxides (BTMOs) and their application as electrode material for supercapacitor (SC). The synthesized CoMoO4, NiMoO4, MnMoO4, and CuMoO4 nanostructures were tested as electrode materials for coin-cell based SC. Among them, NiMoO4 electrode showed excellent electrochemical performance and is a prospective candidate for supercapacitor application.
The present work is an experimental comparison of various binary transition metal oxides (BTMOs) and their application as electrode material for supercapaitor (SC). The possibility of Molybdenum oxides and their nanostructures are explored in the field of energy storage devices however, very few works have been reported analyzing the potential of BTMOs as electrode materials for energy applications. Herein, CoMoO4, NiMoO4, MnMoO4 and CuMoO4 nanostructures were synthesized and implicated as an electrode for coin-cell based SC. The electrode materials were tested in both three and two-electrode system to conclude the suitable electrode for commercial application. Coin-cell device based on XMoO4 broken vertical bar NrGO/CNT was fabricated and compared in this study. This comparative experimental study investigated the influence of the intrinsic properties of electrodes on specific capacitance. NiMoO4 broken vertical bar NrGO/CNT delivered a capacitance of 261 F g(-1) and capacity retention of 80 %. Also, depicted an energy density of 45.23 Wh kg(-1) at a power density of 7500 W kg(-1). This excellent electrochemical performance of the NiMoO4 electrode implies it will be a prospective candidate for supercapacitor application.
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