Electrochemical capacitors: Technical challenges and prognosis for future markets

A. K. Shukla, A. Banerjee, M. K. Ravikumar, A. Jalajakshi

Research output: Contribution to journalReview articlepeer-review

181 Scopus citations

Abstract

Electrochemical capacitors are potential devices that could help bringing about major advances in future energy storage. They are lightweight and their manufacture and disposal has no detrimental effects on the environment. A comprehensive description of fundamental science of electrochemical capacitors is presented. Similarities and differences between electrochemical capacitors and secondary batteries for electrical energy storage are highlighted and various types of electrochemical capacitors are discussed with special reference to lead-carbon hybrid ultracapacitors. Some envisaged applications of electrochemical capacitors are described along with the technical challenges and prognosis for future markets.

Original languageEnglish
Pages (from-to)165-173
Number of pages9
JournalElectrochimica Acta
Volume84
DOIs
StatePublished - 1 Dec 2012
Externally publishedYes

Bibliographical note

Funding Information:
Financial support from Department of Science & Technology, Govt. of India, New Delhi and Indian Institute of Science, Bangalore under its Energy Storage Systems Initiative is gratefully acknowledged. A.B. thanks Council of Scientific & Industrial Research, New Delhi for a Senior Research Fellowship.

Keywords

  • Electrical-double-layer capacitors
  • Electrochemical capacitors
  • Hybrid capacitors
  • Lead-carbon hybrid ultracapacitors
  • Pseudo-capacitors

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