Startup promises a revolutionary grid battery

January 4, 2012 | Source: Technology Review
eos_energy storage

This kilowatt-scale zinc-air battery prototype can be charged and discharged 2,700 times with no physical degradation, its maker claims (credit: Eos Energy Storage)

Battery developer Eos Energy Storage claims to have solved key problems holding back a battery technology that could revolutionize energy storage on the power grid.

If the company is right, its zinc-air batteries will be able to store energy for half the cost of natural gas, the method currently used to meet peak power demands.