Development and Application of Lithium-ion Battery Thermal Runaway Experimental Teaching Platform
Battery thermal runaway experiment is an important means to study the thermal runaway characteristics of lithium-ion batteries,and is crucial for improving the safety of new energy vehicles.Based on the existing research on the thermal runaway characteristics of lithium-ion batteries,we clarified the parameters and measurement methods that are of major concern during thermal runaway experiments,and developed a lithium-ion battery thermal runaway experimental platform with the functions of continuous monitoring of characteristic parameters,real-time calculation of gas production,and collection of thermal runaway gases,etc.,and realized the on-line acquisition of the core parameters of lithium-ion batteries such as the battery surface temperature,open-circuit voltage,gas production pressure,gas temperature,etc.,in the course of the thermal runaway process.Aiming at the gas production characteristics of different types of batteries in the thermal runaway process,a gas collection device that takes both transient and steady state into account is designed to enhance the universality of the experimental platform.
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