$250,000 Grant For Zinc-Air Battery Project

Eos Energy Storage has announced a $250,000 grant from Consolidated Edison, which will be channelled towards deploying its zinc-air batteries on the New York City’s grid. Eos has five more smaller-scale battery tests on the way.

Eos claims to have developed zinc-air batteries that are about 75 percent efficient, with 10,000-cycle or 30-year lifespan, making it competitive with other types of batteries. The most competitive aspect of Eos’s zinc-air batteries are however, their low cost. At $160 per kWh for its 6-hour storage system, this is much lower than flow batteries’ $400-600 per kWh, or lithium-ion’s $800-1000 per kWh. Even the low of $500 per kWh that some Chinese lithium-ion manufacturers are targeting is not a match.

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