The 244th ECS meeting took place at Gothenburg (Sweden) from the 8th to the 12th of October. This international conference brings together the most active researchers in academia, government, and industry—professionals and students—to engage, discuss, and innovate in the areas of electrochemistry and solid-state science and related technologies. This is the premier destination for industry professionals to experience five days of learning, technical presentations, business development, and networking opportunities.
CIDAUT had the opportunity to present its work on the development of simulation models to improve battery safety. This work is focused on the lithium metal batteries (LMBs) safety studies including the investigation of predictive models to determine the critical parameters that would lead to potential failure and provide critical insights to understand the mechanical and internal short circuit behaviour of LMBs under mechanical abuse. Having a numerical model that correctly represents the cells and its response under different abuse tests could allow identifying main issues and helping on the cell design and chemistries to be used. To develop these models using LS-Dyna, it has been necessary to carry out studies of mechanical deformation on cell components and the complete cells. These studies have offered a better knowledge of the deformation of the inner components of the battery being useful to identify the mechanism that initiate short circuits under mechanical misuse conditions. Building numerical models for batteries requires experimental work that provides not only the data for mechanical behaviour of individual components (anode, cathode, separator, etc.), but also validation data for simulations of internal short circuit induced by mechanical abuse.