Investment boost for Massachusetts battery start-ups

Two battery technology start-ups in Massachusetts have filed paperwork indicating that they have each raised more than US$20 million in new investment.
24M Technologies, a Cambridge-based firm that produces semi-solid lithium-ion cells, filed a Form D with the US Securities and Exchange Commission indicating that they raised more than $21.8m through an equity release.
Woburn-based SolidEnergy Systems similarly filed a Form D indicating that they raised more than $28.8m, also through an equity release.
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