June 3, 2026

Announced 2 June, the two companies signed a memorandum of understanding (MOU) to combine Alsym’s Na-ion battery energy storage system (BESS) technology with Re:Build’s manufacturing capabilities. Image: Alsym Energy

US sodium-ion (Na-ion) battery startup Alsym Energy and domestic manufacturing company Re:Build Manufacturing are partnering to develop commercial-scale battery cell manufacturing capacity in the US.

Announced 2 June, the two companies signed a memorandum of understanding (MOU) to combine Alsym’s Na-ion battery energy storage system (BESS) technology with Re:Build’s manufacturing capabilities.

According to the companies, the collaboration will focus on the development of commercial-scale Na-ion battery cell manufacturing capacity in Re:Build’s existing facility in New Kensington, Pennsylvania.