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Researchers at Tohoku University have developed a covalent organic framework (COF)-graphene interlayer that significantly reduces polysulfide shuttling in lithium-sulfur batteries, achieving a high reversible capacity of 1455.7 mA h g⁻¹ at 0.2 A g⁻¹. This advancement is crucial for the practical deployment of lithium-sulfur batteries, as it addresses the long-standing challenge of polysulfide migration, potentially leading to more efficient and durable energy storage solutions.

Researchers at Tohoku University have developed a graphene-based interlayer for lithium-sulfur batteries that maintains capacity over 1,000 charge-discharge cycles. This advancement addresses the polysulfide shuttle effect, enhancing the lifespan and efficiency of lithium-sulfur batteries, which are seen as a promising alternative to lithium-ion technology due to their higher energy storage potential.