Startup Eos Energy, which has been building a low-cost grid battery using air and zinc, is ending out the year by going back into fundraising mode. According to a filing, the company is starting to raise another $30 million round, and has closed on $2.5 million of that.
Eos Energy, founded in 2008 using a tech breakthrough from founder and inventor Steven Amendola, has just started to get its pilot batteries into the hands of some utility customers. The company sent its first grid battery system to New York utility Con Edison, it’s testing products with DNV GL, and it says it has secured European energy giant GDF SUEZ as a customer. In conjunction with Con Edison, the partners are using a state grant to install batteries on the New York grid.
Scientists have been working on using air as the cathode for…
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