A battery start-up that’s backed by iPod inventor and Nest founder Tony Fadell, and which claims to have found a green and scalable way to make lithium-ion batteries more efficient, on Tuesday announced that it raised $18.5 million in its Series A funding round.
New Orleans-based Advano is focused on increasing batteries’ energy density by replacing the graphite in the anode — the battery’s negative side — with silicon, which is able to hold roughly ten times more lithium than graphite.
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