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An energy storage startup gets new government funding.
A U.S.-Chinese venture is out to prove the benefits of quick-charge buses.
Recent studies point to the potential of ultracapacitors to augment conventional batteries.
Flexible carbon-nanotube supercapacitors could give more power to cell phones and other electronics.
Graphene could make computer hard drives denser and speedier.
Ultracapacitors that store more could help the grid run smoothly.
Combining different battery technologies could improve vehicle performance and reduce costs.
A novel design could boost energy storage.
A startup reports progress on a battery that stores more energy than lithium-ion ones.