Control of magnesium interfacial reactions in aqueous electrolytes towards a biocompatible battery

Bjorn Winther Jensen*, M. Gaadingwe, D. R. Macfarlane, M. Forsyth

*この研究の対応する著者

研究成果: Article査読

35 被引用数 (Scopus)

抄録

A stable magnesium battery has been developed based on a magnesium anode, a poly(dioxyethane thiophene) (PEDOT) cathode and a near-saturated aqueous solution of LiCl, MgCl2, or mixture of these salts at pH of 11. This combination leads to a low water activity in the electrolyte, which thus suppresses the hydrogen evolution reaction on Mg, as well as producing a stable oxy-hydroxide film which protects the metal surface from freely corroding. The conducting polymer cathode is reduced somewhat during the discharge process, however, appears to be readily re-oxidised (as determined from the resistance) by the oxygen present in the cell. The cell is therefore primarily a Mg/O2 battery, however, the PEDOT appears to enhance the performance, in particular the discharge voltage.

本文言語English
ページ(範囲)5881-5884
ページ数4
ジャーナルElectrochimica Acta
53
20
DOI
出版ステータスPublished - 2008 8月 20
外部発表はい

ASJC Scopus subject areas

  • 化学工学(全般)
  • 分析化学
  • 電気化学

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