Beltway battery
Encyclopedia
A Beltway battery is a lithium-ion battery technology invented by scientists from the Massachusetts Institute of Technology
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

(MIT).

A Beltway battery utilizes a bypass system that allows the lithium-ions to enter and leave the battery at a speed great enough to fully charge a battery in under a minute. The scientists discovered that by coating particles of lithium iron phosphate in a glassy material called lithium pyrophosphate, ions bypass the channels and move faster than in other batteries. Rechargeable batteries store up and discharge energy as charged atoms, known as ions, from between two electrodes called the anode and the cathode. Their charge and discharge rate are restricted by the speed with which these ions move. Such technology could reduce the weight and size of the batteries. A small prototype battery cell has been developed that can fully charge in 10 to 20 seconds, compared with six minutes for standard battery cells.
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