Snippet from the article:
Imagine your laptop, phone, or other battery-driven piece of tech recharging in less than 15 minutes? That’s at least an hour faster than the fastest smartphone recharging systems can manage today, and something most of us would find extremely beneficial. The good news is, the world’s first graphene battery pack is here, and it promises to deliver exactly this level of performance.
http://www.digitaltrends.com/mobile/dongxu-graphene-battery-pack-15-minutes-recharge-news/