What happens when lithium-ion batteries overheat and explode has been tracked inside and out for the first time by a UCL-led team using sophisticated 3D imaging.
Understanding how Li-ion batteries fail and potentially cause a dangerous chain reaction of events is important for improving their design to make them safer to use and transport, say the scientists behind the study.
Battery technology company 24M said new testing data on its battery separator Impervio showed a full hour of cells overcharging without shorting or overheating.
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