Development of a Novel, Thin Film Lithium-ion Battery Technology

Lithium-ion batteries offer several advantages over other rechargeable batteries, including high specific energy, high energy density and good cycle life. These advantages have made lithium ion batteries a good choice for many commercial applications.Growing demand for these batteries will drive the research and development of lithium ion technology further on. Additionally, non-commercial market presents new challenges for lithium ion technology, such as improving the charge/discharge rate, longercycle life, wider temperature range for LIB operation, etc. This proposed study will address two issues: improving specific energy to above 150 Wh/kg and improving specific power to above 2 kW/kg. The former will be achieved by replacing the standardanode material with a silicon based material. Developing and applying a new separator will accomplish the latter. These two major improvements to our technology will significantly improve the cell performance in the area of power and energy density, aswell as safety, cycle life, operating temperature range.