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Citation: SHI Fengbang, CHEN Buming, GUO Zhongcheng, DUAN Siqi, HOU Yali. Preparation and Characterization of β-PbO₂-TiO₂-Co₃O₄ Composite Coating on Stainless Steel[J]. Chinese Journal of Applied Chemistry, ;2012, 29(6): 691-696. doi: 10.3724/SP.J.1095.2012.00317 shu

Preparation and Characterization of β-PbO₂-TiO₂-Co₃O₄ Composite Coating on Stainless Steel

1.
Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China

Corresponding author: GUO Zhongcheng,
Received Date: 20 July 2011
Available Online: 9 November 2011
Fund Project: 国家自然科学基金(51004056) (51004056)云南省应用基础研究基金(2010ZC052)资助项目 (2010ZC052)

β-PbO₂,TiO₂-doped β-PbO₂,Co₃O₄-doped β-PbO2and TiO₂/Co₃O₄-doped β-PbO₂ composite electrodes were prepared on stainless steel by current electrodeposition.The morphology,elemental composition,structure and catalytic activity of the composite electrodes were characterized by SEM,EDS,XRD and electrodeposition.The results show that the doping of TiO₂ refines crystal grains and increases surface area,and the doping of Co₃O₄ improves the catalytic activity of the oxygen evolution.Compared with Pb-Ag electrode,the β-PbO₂-TiO₂-Co₃O₄ composite anode has longer life,and the bath voltage was decreased to 2.97 V,and the current efficiency was increased to 91.2% in zinc electrowinng.
- stainless steel,
- PbO₂,
- TiO₂,
- Co₃O₄,
- zinc electrowinning
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通讯作者: 陈斌, bchen63@163.com

Preparation and Characterization of β-PbO₂-TiO₂-Co₃O₄ Composite Coating on Stainless Steel