New Liquid-Flow Battery Could Make Charging EVs as Quick as Pumping Gas

A sample of 'Cambridge crude' — a black, gooey substance that can power a highly efficient new type of battery. A prototype of the semi-solid flow battery is seen behind the flask.  Photo: Dominick Reuter

By combining the traditional, stationary electrodes of a lithium-ion battery with the suspension idea of a liquid flow battery, the team makes it possible to refuel an EV without having to recharge the battery within its own structure. A refillable liquid-flow battery would be less expensive than traditional lithium ion batteries, and could help bring down the cost of electric vehicles.

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