How to measure and report the capacity of electrochemical double layers, supercapacitors, and their electrode materials

Yuru Ge, Xuan Xie, Jessica Roscher, Rudolf Holze, Qunting Qu

Research output

3 Citations (Scopus)

Abstract

Relevant fundamentals of the electrochemical double layer and supercapacitors utilizing the interfacial capacitance as well as superficial redox processes at the electrode/solution interface are briefly reviewed. Experimental methods for the determination of the capacity of electrochemical double layers, of charge storage electrode materials for supercapacitors, and of supercapacitors are discussed and compared. Intrinsic limitations and pitfalls are indicated; popular errors, misconceptions, and mistakes are evaluated. The suitability of available methods is discussed, and practical recommendations are provided.

Original languageEnglish
Pages (from-to)3215-3230
Number of pages16
JournalJournal of Solid State Electrochemistry
Volume24
Issue number11-12
DOIs
Publication statusPublished - Nov 2020

Scopus subject areas

  • Condensed Matter Physics
  • Materials Science(all)
  • Electrical and Electronic Engineering
  • Electrochemistry

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