‘porous silicon chip’

New device stores electricity on silicon chips

Oct. 23, 2013—Silicon chip with porous surface next to the special furnace where it was coated with graphene to create a supercapacitor electrode. (Joe Howell / Vanderbilt) Solar cells that produce electricity 24/7, not just when the sun is shining. Mobile phones with built-in power cells that recharge in seconds and work for weeks between charges....