reviewEnvironmental Chemistry LettersAug 28, 2020HYBRID OA

Advanced materials and technologies for supercapacitors used in energy conversion and storage: a review

MIM. I. A. Abdel MaksoudRARamy Amer FahimAEAhmed Esmail ShalanMAM. Abd ElkodousSOSamuel Oluwaseun Olojede

Egyptian Atomic Energy Authority · Central Metallurgical Research and Development Institute · +6 more institutions

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Abstract

Abstract Supercapacitors are increasingly used for energy conversion and storage systems in sustainable nanotechnologies. Graphite is a conventional electrode utilized in Li-ion-based batteries, yet its specific capacitance of 372 mA h g −1 is not adequate for supercapacitor applications. Interest in supercapacitors is due to their high-energy capacity, storage for a shorter period and longer lifetime. This review compares the following materials used to fabricate supercapacitors: spinel ferrites, e.g., MFe 2 O 4 , MMoO 4 and MCo 2 O 4 where M denotes a transition metal ion; perovskite oxides; transition metals sulfides; carbon materials; and conducting polymers. The application window of perovskite can be…

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541
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17.76
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100%
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Authors

11

Topics & keywords

Topics
Keywords
  • Supercapacitor
  • Materials science
  • Capacitance
  • Transition metal
  • Electrolyte
  • Energy storage
  • Chemical engineering
  • Valence (chemistry)
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