After Samsung’s Note 7 fires, researchers build mini extinguisher into battery

A new lithium-ion battery contains an inbuilt fire extinguisher that releases a flame retardant when the temperature reaches a dangerous level.

Scientists have developed a self-extinguishing lithium-ion battery designed to rapidly douse a fire caused by overheating.

Researchers from Stanford University report in a new paper published on Science Advances their use of a fire-retardant called triphenyl phosphate (TPP) contained within a polymer shell.

The technology is aimed at higher-density lithium-ion batteries for electric vehicles, though the same risks have been known to affect batteries for personal devices. A report yesterday claimed Samsung’s investigation into the Galaxy Note 7 has blamed its batteries for causing the phones to catch alight and explode.

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