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Special Report: Better Batteries
The lack of efficient and dependable batteries limits the development of everything from electronics to hybrid vehicles. But new designs are offering better, safer alternatives.
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- An Electrifying Startup
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A new lithium-ion battery from A123 Systems could help electric cars and hybrids come to dominate the roads.
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- Battery Breakthrough?
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A Texas company says it can make a new ultracapacitor power system to replace the electrochemical batteries in everything from cars to laptops.
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- Safer, Higher-Capacity Batteries
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Silver-zinc battery chemistry could replace lithium ion in laptops and other electronics--if such batteries can be made cheaply enough.
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- Electric Cars Primer
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Hybrids, plug-ins, and extended-range electric cars are hitting the market. Use this interactive primer to learn how they work.
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- Self-Assembling Batteries
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By measuring nanoscale forces, researchers learn to make lithium-ion batteries that pull themselves together.
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- Safer, Longer-Lasting Batteries
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Thin-film technology is still expensive, but it could soon run remote sensors and medical implants--and one day electric vehicles.
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- IBM Battery
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The company hopes to develop powerful, lightweight lithium-air batteries.
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Massachusetts Institute of Technology