WASHINGTON, March 26 (TNSres) -- The U.S. Department of Energy's Pacific Northwest National Laboratory issued the following news release: * * * A new recipe provides a pathway to a safe, economical, water-based, flow battery made with Earth-abundant materials * * * A commonplace chemical used in water treatment facilities has been repurposed for large-scale energy storage in a new battery design by researchers at the Department of Energy's Pacific Northwest National Laboratory. The design pr  more