Studies of electrochromism in evaporated and chemically prepared tungsten-oxide films have shown that electrocoloration takes place only in films containing H2O. A model is proposed in which the electrocoloration process is attributed to the formation of a ‘tungsten-blue’ phase following cathodic reduction by active hydrogen.
No takes yet. Share an insight, caveat, or question.
Rodney J. Hurditch (1975) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: