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A solid electrolyte gives lithium-sulfur batteries ludicrous endurance | Sulfur can store a lot more lithium but is problematically reactive in batteries.
Sulfur can store a lot more lithium but is problematically reactive in batteries.
The paper describing the new developments, done by a collaboration between Chinese and German researchers, focuses on one aspect of the challenges posed by lithium-sulfur batteries: the relatively slow chemical reaction between lithium ions and elemental sulfur. But at the same time, finding a way to limit the formation of inactive intermediate products during this reaction goes to the root of the relatively short usable life span of lithium-sulfur batteries. In addition, iodine has relatively low melting and boiling points, and the researchers suggest there's some evidence that it moves around within the electrolyte, allowing it to act as an electron shuttle.
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