If the apocalypse struck tomorrow nearly all electronic devices would be bricks within 2 years. But the intrepid researchers at UCI have found something. Using gold nano fibers in an electrolyte gel made of plexiglass... well let's just say they made it to 200,000 mutha fukin' charges.
This is still decades away from mass production, but I distinctly remember a TIME article years ago had scientists grumbling about it not being possible. Basically this is the biggest step forward for batteries since 1989.