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A Pittsburgh company says its battery has the long life and cheap cost needed to be practical for energy storage.
Battery draws power from salinity difference between freshwater and saltwater.
New materials from MIT could power laser weapons or give hybrid cars jackrabbit acceleration.
The large facility is meant to reflect a change of direction for the bankrupt company.
Founder of A123 Systems starts a new company to commercialize the technology.
A prototype system can heat and cool without draining battery power.
The company hopes to develop powerful, lightweight lithium-air batteries.
A low-power chip could be used for implantable medical sensors.
The key is a modular design, which could make the technology practical as a way to keep the grid stable and reduce electricity costs.