The Bemidji Fire Department is putting out a warning about lithium-ion batteries after a man’s cell phone caught fire. Firefighters responded after a man called saying his cell phone battery ...

Daniel Madrzykowski and Nathaniel Sauer provide the details of the Fire Safety Research Institute's testing that shed more light on the dangers posed when li-ion batteries are involved in fires.

Experts explained that a lithium-ion battery consists of a cathode, anode and active lithium ions in between. A battery "retires" when it loses too many of these ions. "Our approach is to retain ...