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Nanomaterials 2018, 8(4), 256;

Recent Advances in Metal Chalcogenides (MX; X = S, Se) Nanostructures for Electrochemical Supercapacitor Applications: A Brief Review

Centre of Excellence for Energy Research, Sathyabama Institute of Science and Technology, Chennai 600119, India
Division of Electronics and Electrical Engineering, Dongguk University-Seoul, Seoul 04620, Korea
Electrochemistry Research Group, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
Biomaterial Research Lab, DKM College for Women, Vellore 632001, India
Author to whom correspondence should be addressed.
Received: 3 February 2018 / Revised: 5 April 2018 / Accepted: 17 April 2018 / Published: 19 April 2018
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Supercapacitors (SCs) have received a great deal of attention and play an important role for future self-powered devices, mainly owing to their higher power density. Among all types of electrical energy storage devices, electrochemical supercapacitors are considered to be the most promising because of their superior performance characteristics, including short charging time, high power density, safety, easy fabrication procedures, and long operational life. An SC consists of two foremost components, namely electrode materials, and electrolyte. The selection of appropriate electrode materials with rational nanostructured designs has resulted in improved electrochemical properties for high performance and has reduced the cost of SCs. In this review, we mainly spotlight the non-metallic oxide, especially metal chalcogenides (MX; X = S, Se) based nanostructured electrode materials for electrochemical SCs. Different non-metallic oxide materials are highlighted in various categories, such as transition metal sulfides and selenides materials. Finally, the designing strategy and future improvements on metal chalcogenide materials for the application of electrochemical SCs are also discussed. View Full-Text
Keywords: capacitance; electrode materials; selenides; supercapacitor; sulfides capacitance; electrode materials; selenides; supercapacitor; sulfides

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Theerthagiri, J.; Karuppasamy, K.; Durai, G.; Rana, A.H.S.; Arunachalam, P.; Sangeetha, K.; Kuppusami, P.; Kim, H.-S. Recent Advances in Metal Chalcogenides (MX; X = S, Se) Nanostructures for Electrochemical Supercapacitor Applications: A Brief Review. Nanomaterials 2018, 8, 256.

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