3卷 第6期
1.Baoji Changli Special Metal Co., Ltd, Baoji 721013, China
2.Department of Mechanical Engineering, Baoji Uniyersity of Arts and Science, Shaanxi Baoji 721013, China
纸质出版日期： 2022-06-25 ，
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(2022). The Anodic Behaviors and Reasonable Application of Ti/PANI-Graphene Anode for Electrowinning in H2SO4 Solution. 科技理论与实践（英文版）, 3(6), 11-20.
Li Qiao,Zhang Yongchun.The Anodic Behaviors and Reasonable Application of Ti/PANI-Graphene Anode for Electrowinning in H2SO4 Solution[J].Theory and Practice of Science and Technology,2022,03(06):11-20.
(2022). The Anodic Behaviors and Reasonable Application of Ti/PANI-Graphene Anode for Electrowinning in H2SO4 Solution. 科技理论与实践（英文版）, 3(6), 11-20. DOI： 10.47297/taposatWSP2633-456902.20220306.
Li Qiao,Zhang Yongchun.The Anodic Behaviors and Reasonable Application of Ti/PANI-Graphene Anode for Electrowinning in H2SO4 Solution[J].Theory and Practice of Science and Technology,2022,03(06):11-20. DOI： 10.47297/taposatWSP2633-456902.20220306.
The Ti/PANI-Graphene composite anodes were prepared by cold molding for electrowinning in H
2
SO
4
solution. The anodic behaviors and application way were established on the cyclic voltamograms(CVs)
potentiostatic polarization curve(PPC)
potentiostatic depolarization curve(PDC) and electrochemical impedance spectroscopy(EIS). The results revealed the reasonable application steps of Ti/PANI-G anodes for electrowinning in H
2
SO
4
solution. The capacitance characteristic of Ti/PANI-G anodes was related to the pseudo-capacitance of polyaniline(PANI)
and double-layer capacitance of adsorption ions. With an increase of graphene content the double-layer capacitance increases while the pseudo-capacitane decreases. Ti/PANI-0.2gG has the highest current efficiency and cyclic stability. The reasonable application step is potentiostatic polarization curve(PPC) 20min and then potentiostatic depolarization curve(PDC) 20s and repeat. The microstructure was analyzed with XRD and Roaman spectrum.
PDCApplication stepReasonable application step
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