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Mesoporous Transition Metal Oxides for Supercapacitors


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1

College of Chemistry, International Joint Research Laboratory of Nano-Micro Architecture Chemistry NMAC, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, China

2

State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130033, China





*

Author to whom correspondence should be addressed.



Academic Editors: Jordi Sort and Eva Pellicer

Abstract Recently, transition metal oxides, such as ruthenium oxide RuO2, manganese dioxide MnO2, nickel oxides NiO and cobalt oxide Co3O4, have been widely investigated as electrode materials for pseudo-capacitors. In particular, these metal oxides with mesoporous structures have become very hot nanomaterials in the field of supercapacitors owing to their large specific surface areas and suitable pore size distributions. The high specific capacities of these mesoporous metal oxides are resulted from the effective contacts between electrode materials and electrolytes as well as fast transportation of ions and electrons in the bulk of electrode and at the interface of electrode and electrolyte. During the past decade, many achievements on mesoporous transition metal oxides have been made. In this mini-review, we select several typical nanomaterials, such as RuO2, MnO2, NiO, Co3O4 and nickel cobaltite NiCo2O4, and briefly summarize the recent research progress of these mesoporous transition metal oxides-based electrodes in the field of supercapacitors. View Full-Text

Keywords: supercapacitor; pseudo-capacitor; transition metal oxides; specific capacity; mesoporous materials supercapacitor; pseudo-capacitor; transition metal oxides; specific capacity; mesoporous materials





Autor: Yan Wang 1, Jin Guo 2, Tingfeng Wang 2, Junfeng Shao 2, Dong Wang 2 and Ying-Wei Yang 1,*

Fuente: http://mdpi.com/



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