"With the materials in the current lithium ion battery, we are definitely plateaued," Blomgren said. "We're waiting for something to come along that really does the job."
There are all sorts of new type batteries being worked on: lithium-air, lithium-sulfur, magnesium, sodium-ion.
"Right now it's a horse race," Blomgren said. "There's deficiencies in every technology that's out there. Each one of them requires a major solution."
One of the nation's best hopes for a breakthrough, said Battaglia, is John Goodenough, the man responsible for the 1979 breakthrough that led the first commercial lithium ion battery in 1991. He will receive the National Medal of Science at the White House next month.Goodenough is 90. "I'm working on it," Goodenough, an engineering professor at the University of Texas at Austin, said Tuesday. "I'm optimistic in a sense that I'm willing to keep working on it. I think we can do some interesting things." ___ Online: Department of Energy's Joint Center for Energy Storage Research: http://www.jcesr.org ___ Seth Borenstein can be followed at http://twitter.com/borenbears