Doped carbon for a reliable lithium sulfur battery

Scientists in South Korea developed a porous carbon material that, when applied as a coating to the separator film in a lithium-sulfur battery, was shown to reduce an unwanted side effect and improve the battery's performance and reliability. The coating is based on methylene blue, a type of salt commonly used in textile dying.There is no shortage of materials promising to kick off "the next generation" in energy storage. Among these, lithium-sulfur batteries have proved popular among researchers and commercial developers, with the potential for higher capacity than today's energy storage technology, ...

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