29 Feb '12, 1pm

Eos Energy Storage pitches 'refillable' electric vehicle battery, quick 'charges'

A New York-based company is at least the second in the past year to pitch a system that refills an electric vehicle's battery in a way similar to how conventional cars are refueled at gas stations, according to GigaOm. Eos Energy Storage says it can make a zinc battery that consists of a liquid electrolyte that sends zinc ions from the anode to the cathode. Eos President Steve Hellman said the company is working on a system in which the "used" electrolyte may be pumped out and a new electrolyte – with zinc – is pumped in, just like filling up a tank, according to GigaOm. No date has been set for the release of such a battery, but Eos's first product – a battery designed for power grid use – is about two years away. Refillable batteries are topical because they address the hurdle of the many hours it takes to recharge an electric vehicle's battery. This is a sticking point ...

Full article: http://green.autoblog.com/2012/02/29/eos-energy-storage-p...

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