Lithium-ion batteries (LIBs) have raised increased interest due to high energy density and efficient energy storage. However, safety is a major concern, and a large number of LIBs have been recalled due to explosion and fire accident. The safety of batteries is determined by the battery chemistry, its operating environment and its abuse tolerance. The webinar will cover various techniques to determine the safety parameters of cell and battery materials under thermal abuse conditions. For example, Onset temperature of self-heating, heat of reaction, separator shutdown temperature, leak/vent temperature, ignition temperature, vent pressure, and amount of gas generation.
Host: Peter Ralbovsky
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Dr. Singh is the founder and president of Belmont Scientific, Inc. (BSI). BSI is a contract research and testing laboratory and provides services in the area of chemical process safety including safety evaluation of batteries and pressure relief systems design and evaluation.
Dr. Singh’s experience in thermal sciences includes evaluation of the stability of chemicals and their fire and explosion hazard potential using various instrumental techniques, including calorimetric, minimum ignition energy (MIE) apparatus, 20-liter sphere for dust and gas explosion (KSt value), BAM oven for flammability and blasting cap testing for shock sensitivity.
Dr. Singh has been involved in incident investigations where self-heating resulted in thermal runaway or catastrophe. His experience includes determining the origin and cause of thermal runaway reactions and/or explosions. Dr. Singh’s technical work in battery technology includes failure analysis (cell level), internal short, safety evaluation of battery and battery components, evaluation of battery/battery components for electrochemical performance, aging (cycle life/calendar life/gassing) and for various applications (portable power, power tool, hybrid electric vehicle (HEV) and plug-in hybrid electric vehicle (PHEV), battery energy storage system (BESS)).