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Rechargeable batteries are a necessity to meet the world's growing energy demands in a sustainable fashion but not all are equal. Researchers in the Energy Materials and Surface Sciences Unit at the Okinawa Institute of Science and Technology Graduate University have worked to optimize a promising candidate of such energy sources -- lithium sulfur batteries. The study was published today in Nature Communications.

"Lithium sulfur batteries can store more energy than the lithium ion batteries that are already commercially available," said Dr. Hui Zhang, first author of this study. "To put this in numbers, an electric vehicle that runs on lithium ion batteries can drive an average of 300km before it needs to be charged. With the improved energy storage provided by lithium sulfur batteries, it should be possible to extend this to 500km."

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