Recent advances in metal chalcogenides (MX; X = S, Se) nanostructures for electrochemical supercapacitor applications: A brief review

Jayaraman Theerthagiri, K. Karuppasamy, Govindarajan Durai, Abu ul Hassan Sarwar Rana, Prabhakarn Arunachalam, Kirubanandam Sangeetha, Parasuraman Kuppusami, Hyun Seok Kim

Research output: Contribution to journalReview articlepeer-review

251 Scopus citations

Abstract

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.

Original languageEnglish
Article number256
JournalNanomaterials
Volume8
Issue number4
DOIs
StatePublished - 19 Apr 2018

Keywords

  • Capacitance
  • Electrode materials
  • Selenides
  • Sulfides
  • Supercapacitor

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