Nature Communications (May 2016)

Separating hydrogen and oxygen evolution in alkaline water electrolysis using nickel hydroxide

  • Long Chen,
  • Xiaoli Dong,
  • Yonggang Wang,
  • Yongyao Xia

DOI
https://doi.org/10.1038/ncomms11741
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 8

Abstract

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Alkaline water electrolyzers are promising devices for hydrogen generation, although hydrogen/oxygen mixing can be problematic. Here, the authors use nickel hydroxide as a redox mediator to decouple the hydrogen and oxygen production, overcoming the gas-mixing issue.