Coating on Zinc Surface to Improve the Electrochemical Behavior of Zinc Anodes for Zinc-Air Fuel Cells

  • Hong Shin Kim
  • , Yong Nam Jo
  • , Won Jong Lee
  • , Ki Jae Kim
  • , Chang Woo Lee

Research output: Contribution to journalArticlepeer-review

Abstract

The corrosion of Zn anode, associated with corrosion current and hydrogen evolution reaction, is a major reason for capacity loss and safety problems. As a way of improving the current issue, a newly coating method using difference of melting points has been attempted to synthesize anode materials and found to be highly effective. Effects of corrosion inhibitors are also investigated by diverse electrochemical techniques. The Tafel extrapolation shows the reduced corrosion current compared with that of pure Zn. ZnNi-2 (Zn:Ni, 95:5 wt.%) demonstrates the hydrogen overpotential is shifted to the most negative value as -1.7V vs. Hg/HgO.

Original languageEnglish
Pages (from-to)517-523
Number of pages7
JournalElectroanalysis
Volume27
Issue number2
DOIs
StatePublished - 1 Feb 2015
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Corrosion
  • Hydrogen evolution reaction
  • Tafel extrapolation
  • Zn-air

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