Studying Electrolyte Limiting Scenarios on Lithium Deposition in Li-Ion Batteries

Wednesday, 4 October 2017: 14:50
Maryland C (Gaylord National Resort and Convention Center)
S. P. Rangarajan and P. P. Mukherjee (Texas A&M University)
Li-ion batteries are the primary choice for energy storage in energy and power intensive applications. However, the performance of Li-ion batteries can be crippled due to the detrimental effect of lithium deposition that may take place during certain operating conditions. Lithium deposition on the electrode surface can lead to issues such as loss of active material or internal short circuit, which may result in performance and safety concerns. A deeper understanding of the lithium deposition phenomena is needed. In this study, the influence of limiting scenarios related to electrolyte transport on lithium plating is explored. The interfacial impedance and morphological implications due to lithium deposition are studied ranging from electrolyte starvation to electrolyte flooding conditions based on electrochemical modeling and experimental analysis.