超级电容器
材料科学
电极
合理设计
金属
氧化物
纳米技术
冶金
电容
化学
物理化学
作者
Mujahid Mustaqeem,Gowhar A. Naikoo,Masoud Yarmohammadi,Mona Zamani Pedram,Hamed Pourfarzad,Riyaz Ahmad Dar,Safeya A. Taha,Israr U. Hassan,Md. Yasir Bhat,Yang‐Fang Chen
标识
DOI:10.1016/j.est.2022.105419
摘要
Supercapacitors have emerged as the most integral energy devices due to their unexampled countenance like high power and energy density, long cyclic life and environmentally friendly nature. Electrode materials play a critical role in determining the supercapacitor performance. Due to their rich valence states, excellent redox properties and high energy density, transition-metal oxides have demonstrated to be promising candidates for high performance supercapacitors, however, the relatively low conductivity limits their applications. Therefore, incorporating with carbon-based materials or conductive polymers is a promising strategy to further improve the performance of transition-metal oxide based supercapacitors. Here in, we have a comprehensive review on the advances and progress of transition-metal oxides materials applied in supercapacitors, such as copper oxide (CuO), nickel oxide (NiO), cobalt oxide (Co 3 O 4 ), zinc oxide (ZnO), manganese dioxide (MnO 2 ), iron oxide (Fe 2 O 3 , Fe 3 O 4 , FeO), and their composites incorporated with carbon-based materials or conductive polymers. Finally, the current challenges and future perspectives of these electrode materials for supercapacitors have been summarized and anticipated. • Critical role of electrode materials in the supercapacitor performance • Tailoring suitable nanocomposite of metal oxides to promote the conductivity • Promising candidates of high redox materials for next-generation supercapacitors • Binary or ternary TMOs based composite materials with excellent properties
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