Nobody thinks about batteries—until they've run out of juice, of course. But this humble and surprisingly ancient technology has done far more for human civilization than most people realize. Read More >>
Graphite is a common choice for anodes in Li-Ion battery systems but doesn't store much charge for its bulk. However, 3M's newly-devised electrode could boost battery life and replace the soft-carbon material for good. Read More >>
Featured comment by egysrac16:
"Uuum. What about those batteries that are 10x more efficient and take 10x less to fully charge? Same technology as I recall it.
They were supposed to..." More »