-Perpetua Resources Corp./ has entered into an agreement to supply a portion of antimony production from the Stibnite Gold Project to Ambri Inc., establishing the foundation to help facilitate the ...

The investment, which will give RNESL 42.3 million shares of preferred stock in Ambri, adds another piece to billionaire Mukesh Ambani's energy transition jigsaw.

Ambri, the company out of MIT that promised to change the battery business forever, is having some problems. The company will cut 25% of its staff, about 14 people, because of delays. The company ...

Ambri, a Marlborough-based manufacturer of liquid metal battery storage systems, has filed for Chapter 11 bankruptcy, citing difficulties in raising capital.

Ambri is developing a battery for the power grid using molten salt sandwiched between two layers of liquid metal. The battery is still about two years from commercialization, and the team has built a ...

Ambri Inc., a U.S. developer of liquid-metal battery technology, received $35 million from investors including Bill Gates and Vinod Khosla to build a commercial-scale factory.