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A New Technology Could Prevent Fires Caused by Lithium-Ion Batteries

Nanyang Technological University (NTU) scientists have claimed to have invented a battery component that provides an added layer of protection to prevent short circuits, the leading cause of fires in lithium-ion (Li-ion) batteries. The “anti-short layer” can be easily added inside Li-ion batteries to prevent short circuits during charging.

In 2020, despite an estimated failure rate of less than one in a million, there were 26 power-assisted bicycle fires and 42 cases of personal mobility device fires in Singapore.

A way to prevent battery fires is the need of the hour. The global battery demand is set to grow, with electric vehicles alone requiring up to 2,700 GWh worth of Li-ion batteries a year by 2030, equivalent to some 225 billion mobile phone batteries.

A build-up of lithium deposits known as dendrites that cross the separator between the cathode and anode electrodes of the battery during charging is the primary cause of…

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