Recent Developments in Supercapacitor Electrodes: A Mini Review

Sumedha Harike Nagarajarao, Apurva Nandagudi, Ramarao Viswanatha, Basavanakote Mahadevappa Basavaraja, Mysore Sridhar Santosh, Beekanahalli Mokshanatha Praveen, Anup Pandith

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)

Abstract

The use of nonrenewable fossil fuels for energy has increased in recent decades, posing a serious threat to human life. As a result, it is critical to build environmentally friendly and lowcost reliable and renewable energy storage solutions. The supercapacitor is a future energy device because of its higher power density and outstanding cyclic stability with a quick charge and discharge process. Supercapacitors, on the other hand, have a lower energy density than regular batteries. It is well known that the electrochemical characteristic of supercapacitors is strongly dependent on electrode materials. The current review highlights advance in the TMOs for supercapacitor electrodes. In addition, the newly discovered hybrid/pseudo-supercapacitors have been discussed. Metal oxides that are employed as electrode materials are the focus of this study. The discovery of nanostructured electrode materials continues to be a major focus of supercapacitor research. To create high-performance electrode materials from a morphological standpoint, various efforts have been attempted. Lastly, we analyze the supercapacitor’s evolving trend and our perspective for the future generations of supercapacitors.

Original languageEnglish
Article number5
JournalChemEngineering
Volume6
Issue number1
DOIs
Publication statusPublished - Feb 2022
Externally publishedYes

Keywords

  • Electrode pseudocapacitors
  • Energy density
  • Future trend
  • Hybrid supercapacitors
  • Metal oxides
  • Power density
  • Redox mechanism
  • Supercapacitors

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Engineering(all)
  • Energy(all)

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