Citation: Jin LU, Jun Hua DU, Wei Shan Li, Jia Mo FU. Formation and Oxidation of Hydrogen Molybdenum Bronze on Platinum Electrode in Sulfuric Acid Solution[J]. Chinese Chemical Letters, ;2004, 15(6): 703-706. shu

Formation and Oxidation of Hydrogen Molybdenum Bronze on Platinum Electrode in Sulfuric Acid Solution

Jin LU ^1,2, ,
Jun Hua DU ¹ ,
Wei Shan Li ¹ ,
Jia Mo FU ²

1.
Department of Chemistry, South China Normal University, Guangzhou 510631;
2.
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, ChineseAcademy of Sciences, Guangzhou 510640

Received Date: 6 May 2003

Fund Project: This work is supported by NNSFC(20173018), GDSF(970319), EYTP of MOE, SRF for ROCS, SEM, and Visiting Scholar Foundation of Key Laboratory in BUST.

Hydrogen molybdenum bronze (H_xMoO₃) can be electrodeposited on platinum and oxidized in two steps to the hydrogen molybdenum bronze with less amount of hydrogen H_yMoO₃ (y3 when platinum electrode is cycled from -0.2 to 1.3V (vs. SCE) in 0.05 mol/L Na₂MoO₄+0.5 mol/L H₂SO₄ solution. During the formation of H_xMoO₃, the electrochemical reduction of molybdate existing in the form of polymolydate is reversible and is about a five-electron transfer reaction.
- Hydrogen molybdenum bronze,
- formation and oxidation,
- platinum,
- sulfuric acid solution
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