About this Research Topic
Electrochemistry and materials science play important roles in the development of electrochemical energy storage and conversion, which deals with the metal-ion interaction between electrical energy and chemical conversions. In this field, advanced materials and electrochemical properties are the key factors to determine the output performance of these devices.
In recent years, supercapacitors, batteries and fuel cells are widely used in electrical vehicles and portable devices. Various materials, such as biomass carbon, graphene, transition metal derivatives have been explored for high performance energy storage and conversion applications. Materials structure design and energy storage system choice are key factors for these devices, for example, titanium and niobium-based oxides for high-rate Li-ion battery, nickel-rich or manganese-rich ternary system, three-dimensional porous electrode structure for metal-air battery, metal-ion intercalation hybrid capacitor, quinone-based organic active materials for flow battery etc. In addition, in-situ characterization techniques and theoretical modeling also provide new insights into the electrochemical energy storage mechanisms, which has clarified the basic principles of energy conversion processes.
This Research Topic solicits the latest advances in supercapacitors from fundamental to application, which covers the topics including: electric double-layer capacitors, redox pseudocapacitors, ion intercalation psedudocapacitor, battery/capacitors hybrids, redox electrolyte capacitors, metal-ion capacitors, etc. All studies focused on supercapacitors must contribute novel aspects of advanced materials design or put forth new insights into electrochemical energy storage processes.
Keywords: Electrochemistry, Nano-materials, Supercapacitors, Computational study, Energy storage
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