For battery to function, lithium ions must pass through microscopic tunnels in battery material Battery material Most ions fail to align with the tunnels Charged ion Old battery How it works Improved power supply Powering up on the beltway New beltway battery Beltway material diverts ions through tunnels, increasing the speed of charge or discharge Lithium iron phosphate coating to battery material A prototype beltwaybattery could be fully charged in 15 seconds. A normal battery of the same size took six minutes A mobile phone that currently takes hours to charge could take as little as 30 seconds Solar and wind- power generation would benefit from improved efficiency of storage, so that electricity could be released when there is no wind or sun Electric vehicle performance could be greatly improved and charging time dramatically reduced, although the batteries would draw too much power to be charged at their maximum rate at home

Powering Up on the Beltway

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For battery to function, lithium ions must pass through microscopic tunnels in battery material

Battery material

Most ions fail to align with the tunnels

Charged ion

Old batteryHow it works Improved power supply

Powering up on the beltway

New beltway battery

Beltway material diverts ions through tunnels, increasing the speed of charge or discharge

Lithium iron phosphate coating to battery material

A prototype beltwaybattery could be fully charged in 15 seconds. A normal battery of the same size took six minutes

A mobile phone that currently takes hours to charge could take as little as 30 seconds

Solar and wind- power generation would benefit from improved efficiency of storage, so that electricity could be released when there is no wind or sun

Electric vehicle performance could be greatly improved and charging time dramatically reduced, although the batteries would draw too much power to be charged at their maximum rate at home