锌金属电镀过程中锌枝晶的生长行为及影响因素

doi:10.3866/PKU.DXHX202211076

Abstract

Abstract:

Electroplating is an important part of electrochemical system. In order to broaden the knowledge structure, and cultivate innovation consciousness and scientific literacy of students, zinc electroplating is introduced into the laboratory teaching of applied electrochemistry major. In this experiment, the cause of the zinc dendrites formation in the process of zinc electroplating is analyzed theoretically, and then two corresponding strategies of eliminating surface heterogeneity and adding cationic additives are proposed to inhibit the production of zinc dendrites. In order to deepen the understanding of zinc plating process, we set up an in situ optical microscope to directly observe the change of zinc deposition behavior. This experiment deeply integrates the scientific thinking and innovative ideas of frontier research, guides students to jump out of the textbook framework, stimulates students' interest in scientific research, and therefore contributes to the cultivation of students' scientific thinking ability.

Key words: Zinc electroplating, Zinc dendrites, Surface heterogeneity, Cationic additives, In situ optical microscopy

Dan Sun, Xinyu Liu, Na Chen, Hao Wang, You Huang, Haiyan Wang. The Growth Behavior and Influencing Factors of Zinc Dendrite in Zinc Electroplating Process[J].University Chemistry, 2023, 38(4): 68-77.

Figures/Tables 14

References 20

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阳离子	1 mol∙L⁻¹	0.002 mol∙L⁻¹	0.02 mol∙L⁻¹	0.2 mol∙L⁻¹
Zn²⁺	−0.762	–	–	–
Ce³⁺	−2.336	−2.389	−2.370	−2.350

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The Growth Behavior and Influencing Factors of Zinc Dendrite in Zinc Electroplating Process

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