Ambri vs Phoenix Tailings

Ambri was an MIT-spinout developer of calcium-antimony liquid-metal batteries for grid storage; it filed Chapter 11 in May 2024 and its assets were sold under Section 363 to a consortium of its lenders.

Materials Science

Phoenix Tailings

Woburn-based refiner producing rare-earth and critical metals from mining tailings and scrap with a zero-waste, net-zero process.

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