How properly are we interpreting the Tafel lines in energy conversion electrocatalysis?

Sengeni Anantharaj*, Suguru Noda

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Tafel analysis is one of the most important ways of screening all energy conversion electrocatalysis as it helps to get information on activity (via exchange current density) and mechanism (via Tafel slope). Inappropriate methods of constructing Tafel plots combined with improper interpretation of Tafel parameters (especially Tafel slopes) are clouding the literature more recently than ever because of the unawareness in handling electrochemical characterization data in the research community. Hence, this perspective is dedicated to give a deep discussion on how to properly interpret Tafel lines in water splitting electrocatalysis that can also be adopted for analyzing the Tafel characteristics of other energy conversion reactions.

Original languageEnglish
Article number101123
JournalMaterials Today Energy
Volume29
DOIs
Publication statusPublished - 2022 Oct

Keywords

  • Exchange current density
  • Tafel analysis
  • Tafel constant
  • Tafel slope
  • Water electrolysis

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science (miscellaneous)
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology

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