Najla AlMasoud, Mahmood Ali, Taghrid S. Alomar, Amal A. Al-wallan, Hafiz Muhammad Tahir Farid, Zeinhom M. El-Bahy
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Recent developments in MnNiO3@rGO nanohybrid for advanced energy storage devices
The demand of reduced graphene oxide-based nanosheets decorated with metal oxides in electrochemical energy storage devices has increased in recent years. The hydrothermal preparation of MnNiO3 and MnNiO3@rGO nanohybrid has been described in the current work. The prepared samples were evaluated structurally, morphologically and electrochemically using a variety of analytical instruments. The MnNiO3@rGO nanohybrid showed specific capacitance 1507 F/g calculated from the GCD plot with the exceptional cyclic stability of 5000th cycles at 1 A/g with a lower charge transfer resistance of 0.18 Ω. The exceptional performance of the MnNiO3@rGO nanohybrid can be due to the hierarchical structure and improvement in charge transfer capability. During redox process MnNiO3@rGO nanohybrid provides more active sites and a shorter channel for ion transport. As a result, the MnNiO3@rGO nanohybrid electrochemical performance can be significantly improved and its potential in energy storage systems.
期刊介绍：
The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.
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