关键词: 化学综合实验, 离子马达, 无泵液流电池, 锌离子电池, 锌枝晶

Abstract: In this paper, a comprehensive chemical experiment is reported by integrating research achievements into the curriculum. A self-driven, integrated pump-free flow battery is constructed without mechanical pumps or external stirring, utilizing the directional driving of ions by the Lorentz force during the charging and discharging processes, which enables the electrolyte to achieve adaptive directional movement driven by the “ion motor”. Compared with traditional inorganic chemistry experiments, this design features three major pedagogical innovations: first, the abstract principle of the Lorentz force is visualized through the directional flow of the electrolyte; second, the “pump-free” design inspires students to think deeply about energy conversion and mass transfer in a reverse-engineering manner; third, it integrates multidisciplinary knowledge including inorganic chemistry, physical chemistry, analytical chemistry, and mechanics, embodying a comprehensive design concept. The experimental design closely follows the hotspot of electrochemical energy storage, combining basic theory with cutting-edge science and technology. Through interesting and intuitive chemical phenomena, it stimulates students’ active learning enthusiasm, significantly enhancing their understanding of core concepts such as concentration polarization and zinc dendrite suppression, as well as their comprehensive experimental abilities. It guides students to explore the mechanisms behind chemical phenomena, strengthens their ability to analyze and solve problems by comprehensively applying multidisciplinary knowledge, and improves their innovative thinking ability and overall quality.

Key words: Chemical comprehensive experiment, Ion motor, Pump-free flow battery, Zn-ion battery, Zinc dendrite