Cr(III) oxidation with lead dioxide-based anodes
作者： D. Devilliers , M.T. Dinh Thi , E. Mahé , Q. Le Xuan
DOI: 10.1016/J.ELECTACTA.2003.07.005
关键词: Scanning electron microscope 、 Platinum 、 Transition metal 、 Electrochemistry 、 Inorganic chemistry 、 Cyclic voltammetry 、 Chemistry 、 Chemical vapor deposition 、 Lead dioxide 、 Titanium
摘要: Abstract A procedure for preparing PbO2-based electrodes with a titanium substrate is proposed. platinum underlayer first deposited on Ti by metal organic chemical vapor deposition (MOCVD), followed the electrodeposition of PbO2 layer. The prepared Ti/Pt/PbO2 anodes were examined scanning electron microscopy (SEM) and X-ray diffraction (XRD) before being used oxidation Cr(III) in sulphuric acid. current efficiency was determined that results compared those obtained Pb/PbO2 Ebonex®/PbO2 different pH conditions. found to have very good electrochemical behaviour (current efficiency: φ=0.93 2), may be as dimensionally stable Cr(III).
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