Is it a solar panel with integrated battery, or a battery with an integrated solar panel? No matter which way you look at it, this new technology being developed at Ohio State is pretty cool. This solar panel has a layer inside that acts as an energy storage medium. No separate charge controllers like an external battery would require. It’s just a solar panel that can continue to supply power once the sun goes down. Since it’s still in the research stage there’s no word on capacity and those details, but it’s a really neat idea that I hope takes off. Read more at ExtremeTech.