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Date of Award
Master of Science in Mechanical Engineering (MS)
College, School or Department Name
Department of Mechanical Engineering-Engineering Mechanics
Silicon has long been considered as one of the most promising anode material for lithium-ion batteries. However, the poor cycle life due to stress during charge/discharge cycling has been a major concern for its practical applications. In this report, novel Si-metal nanocomposites have been explored to accommodate the stress generated in the intercalation process. Several approaches have been studied with the aim of getting uniform mixing, good mechanical stability and high Si content. Among the three approaches being investigated, Si- Galinstan nanocomposite based on electrophoretic deposition showed the best promise by achieving at least 32.3% Si theoretical weight percentage, and our in current experiments we’ve already get 13% Silicon weight percentage, which gave us an anode material 46% more capacity than the current commercial product.
Feng, Yiping, "Preparation of silicon-metal nanocomposites based on electrophoretic deposition", Master's report, Michigan Technological University, 2011.