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Hydrogen insertion compounds of transition metal oxides

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Abstract

Polycrystalline tungstic acid, WO3.H2O, has been examined as an electrode material. Hydrogen insertion occurs on electrochemical reduction to give a blue product, formulated as HxWO3.H2O, which is topotactically related to the parent material. Proton diffusion rates in the reduced product were measured by an electrochemical relaxation technique and shown to be much higher than in polycrystalline WO3.

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Dickens, P.G., Hibble, S.J. & Jarman, R.H. Hydrogen insertion compounds of transition metal oxides. J. Electron. Mater. 10, 999–1009 (1981). https://doi.org/10.1007/BF02661189

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  • DOI: https://doi.org/10.1007/BF02661189

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