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MOF‐derived nitrogen‐doped porous carbon/graphene is designed as the cathode framework for Li‐S batteries by Zhenhua Sun, Feng Li, and co‐workers in article number 1707592. Graphene enables uniform dispersion of MOFs as well as fast electron transport. The nitrogen‐doped porous carbon contributes to an effective polysulfide entrapment with both physical confinement and a chemical adsorption effect...
Lithium–sulfur (Li–S) batteries are highly appealing for next‐generation electrochemical energy storage owing to their high theoretical energy density, environmental friendliness, and low cost. However, the insulating nature of sulfur and migration of dissolved polysulfide intermediates lead to low active material utilization and fast capacity decay, which pose a significant challenge to their practical...
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