Everybody wants more power from their batteries,
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. Smartphones and laptops always need recharging. Electric car drivers must carefully plan their routes to avoid being stranded far from a charging station,
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For researchers who specialize in batteries, though, the drive for a better battery is less about the luxury of an always-charged iPad (though that would be nice) and more about kicking our fossil fuel habit. Given the right battery,
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, smog-belching cars and trucks could be replaced with vehicles that run whisper-quiet on electricity alone. No gasoline engine, no emissions. Even airplanes could go electric. And the power grid could be modernized to use cheaper,
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, greener fuels such as sunlight or wind even on days when the sun doesn’t shine bright enough or the wind doesn’t blow hard enough to meet electricity demand.
A better battery has the potential to jolt people into the future, just like the lithium-ion battery did. When they became popular in the early 1990s,
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, lithium-ion batteries offered twice as much energy as the next best alternative. They changed the way people communicate.
“What the lithium-ion battery did to personal electronics was transformational,
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