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LG’s 100x thinner-than-hair material cuts battery explosion risk in EVs by 50% | SRL allows electricity to flow normally unless the battery gets too hot, in which case it acts like a fuse to stop it.
LG Chem has developed a revolutionary material called SRL that prevents thermal runaway in lithium-ion batteries.
“The thermal runaway suppression material is expected to be effective in preventing fires by quickly blocking the reaction path at the early stages of overheating,” it said. “When the battery’s temperature rises beyond the normal range, between 90°C and 130°C, the material reacts to the heat, altering its molecular structure and effectively suppressing the flow of current,” explained the research team. According to LG Chem, SRL overcomes the limitations of previous thermal runaway prevention methods, which often slowed reaction times or reduced battery energy density.
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