Canada-headquartered lithium-ion battery recycling specialist Li-Cycle will build its third facility in Arizona, joining plants the company already operates in Ontario and New York State.

A zinc-air energy storage system (ZESS) offering 10 hours of storage is being trialled in a New York Power Authority (NYPA) project, while a US Department of Defense-funded investigation into flow batteries has moved into a physical validation and evaluation phase in Colorado.