Not the breakfast of champions; but, a bettery (better battery) which triples the capacity of today's:
http://news.rice.edu/2012/11/01/rice-team-boosts-silicon-based-batteries-2/ "The team led by Rice engineer Sibani Lisa Biswal and research scientist Madhuri Thakur reported in Nature’s open access journal Scientific Reports on the creation of a silicon-based anode, the negative electrode of a battery, that easily achieves 600 charge-discharge cycles at 1,000 milliamp hours per gram (mAh/g). This is a significant improvement over the 350 mAh/g capacity of current graphite anodes." <more>
