Researchers have developed an early warning system for lithium-ion battery thermal runaway caused by mechanical abuse. The system uses infrared hotspot dynamics to estimate localized thermal instability and then combines this with other features such as electrical, thermal, and image-intensity data. This approach was found to be more effective than direct multimodal fusion and allowed for earlier intervention in battery management systems. --- Why it matters: This matters because lithium-ion batteries are widely used in electric vehicles and renewable energy systems, and thermal runaway can lead to catastrophic failures and safety risks. An early warning system like this one could help prevent such incidents by enabling timely intervention. Source: https://arxiv.org/abs/2608.20383