In situ study the dependence of electrochemical migration of tin on chloride |
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| Institution: | 1. School of Naval Architecture and Ocean Engineering, Zhejiang Ocean University, Zhoushan 316022, China;;2. Key Laboratory of Offshore Engineering Technology of Zhejiang Province, Zhoushan 316022, China;3. Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China |
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| Abstract: | The dependence of electrochemical migration (ECM) of tin on chloride was investigated using in situ electrochemical and optical techniques. An interesting phenomenon is first found that tin dendrite grows not only in the electrolyte layer with low chloride concentration but also in the electrolyte layer with high chloride concentration, although it is generally suggested that the growth of tin dendrite through ECM is not available in solution with high chloride concentration. Mechanisms have been proposed to explain the ECM of tin in the electrolyte layer with various chloride concentrations. |
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