Charge and Discharge Characterization of Lithium-ion ...

Charge and Discharge Characterization of Lithium-ion electrode Materials Through Coin Cell Testing An Undergraduate Honors Thesis Department of Mechanical Engineering The Ohio State University Jiahui Liu Spring, 2015 Dr. Marcello Canova, Advisor ii Abstract Lithium-ion batteries play a fundamental role in the development and commercial success of electric vehicles, due to their higher Charge and Discharge efficiency, and their high energy density. On the other hand, significant research challenges are still present, for instance understanding and mitigating the degradation processes that lead to capacity and power fade in batteries, as well as prototyping and characterizing new materials for improving the energy density, safety, and reduce costs. In this scenario, coin cell testing is a very important experimental technique to analyze the performance of Lithium-ion batteries, and collect data to develop and verify behavioral models that can describe the charging and discharging dynamics and the voltage response of the battery in presence of variable input current.

usage conditions and environmental factors. It is expected that this research will provide quantitative information on the physical and chemical properties of electrode materials, and improve our understanding on how such materials can improve the energy density, safety, and reduce costs of Lithium-ion batteries.

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  Conditions, Electrode

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