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Citation: ZHU Chuangao, WANG Fengwu. Preparation of LiBH₄ by Electrocatalytic Reduction of LiBO₂ at a Nano-PbO/Ti Electrode[J]. Chinese Journal of Applied Chemistry, ;2012, 29(10): 1194-1198. doi: 10.3724/SP.J.1095.2012.00512 shu

Preparation of LiBH₄ by Electrocatalytic Reduction of LiBO₂ at a Nano-PbO/Ti Electrode

ZHU Chuangao ^, ,
WANG Fengwu

1.
Department of Chemistry, Huainan Normal College, Huainan 232001, China

Corresponding author: ZHU Chuangao,
Received Date: 21 November 2011
Available Online: 23 November 2012
Fund Project: 国家自然科学基金资助项目(21176099) (21176099)安徽省教育厅自然科学基金重点项目(KJ2010A309) (KJ2010A309)

Lead alkoxide complexes were prepared by electrochemical dissolution of pure lead in the glycol solution.The PbO sols were achieved by the direct sol-gel process of electrolyte solution.The PbO sols coated on pure titanium substrate were calcined at 450℃ for 2 h in a muffle furnace,the nano-PbO/Ti electrode was obtained.The electrocatalytic reduction activity of the nano-PbO/Ti electrode was investigated by cyclic voltammetry(CV) in solution containing 0.2~1.0 mol/L LiOH and 0.1~0.5 mol/L LiBO₂.The main factors of electrocatalytic reduction of LiBO₂ to LiBH₄,such as LiBO₂ and LiOH concentrations,were studied.The mono-disperse structure and the diameter of nano-PbO/Ti electrode were observed by XRD and SEM,respectively.The results show that the nano PbO is uniformly dispersed on the electrode surface.The electrocatalytic reduction performance of nano-PbO/Ti electrode is stable.A yield of 15.6% and current efficiency of 25.3% were obtained respectively.
- nano-PbO/Ti electrode,
- electrocatalytic reduction,
- LiBH₄,
- current efficiency
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Preparation of LiBH₄ by Electrocatalytic Reduction of LiBO₂ at a Nano-PbO/Ti Electrode