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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Recent development of mixed transition metal oxide and graphene/mixed transition metal oxide based hybrid nanostructures for advanced supercapacitors
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Recent development of mixed transition metal oxide and graphene/mixed transition metal oxide based hybrid nanostructures for advanced supercapacitors

机译：最近的混合过渡金属氧化物和石墨烯/混合过渡金属氧化物的先进超级电容器的杂交纳米结构

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摘要

Nowadays, imminent deficiency of fossil fuels and arising environmental concerns have triggered immense research enthusiasm for the development of green and renewable energy sources. Particularly, supercapacitors are emerging as one of the competent energy storage devices owing to their excellent capacitive properties, long term cycling stability as well as remarkable power density. In this sense, the promising family of transition metal oxides (TMO) and mixed transition metal oxides (MTMO) are felicitous as active electrode materials for supercapacitor due to their multiple oxidations states and ions possess, leading to superior specific capacitance. Moreover, hybridisation of MTMO with graphene nanosheets has received tremendous research interest owing to the peculiar intrinsic properties of graphene, which ameliorate the electrical conductivity and enlarge the specific surface area of the nanocomposite for faradiac redox reaction. In this review article, we emphasised on the current evolution of MTMO and the hybridisation of MTMO with graphene nanosheets as active electrode materials, with a comprehensive study on their synthetic approaches. In addition, the critical factors that influence the electrochemical activities of mixed transition metal oxide based materials are also delineated. (C) 2018 Elsevier B. V. All rights reserved.
机译：如今，化石燃料即将缺乏，而且环境问题引发了绿色和可再生能源发展的巨大研究热情。特别是，由于其优异的电容性能，长期循环稳定性以及显着的功率密度，超级电容器作为主管能量存储装置之一。从这个意义上讲，过渡金属氧化物（TMO）和混合过渡金属氧化物（MTMO）的有前途的族是由于其多个氧化态和离子具有优异的特定电容，因此为超级电容器的活性电极材料是令人兴趣的。此外，由于石墨烯的特殊内在性质，MTMO与石墨烯纳米片的杂交已经接受了巨大的研究兴趣，这改善了导电性并扩大了用于法拉索氧化还原反应的纳米复合材料的比表面积。在这篇审查文章中，我们强调了MTMO的当前演化和MTMO与石墨烯纳米片作为活性电极材料的杂交，综合研究了它们的合成方法。此外，影响混合过渡金属氧化物基材料的电化学活性的关键因素也描销。 （c）2018年Elsevier B. V.保留所有权利。

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