Trash to treasure: discarded cigarette filters have been utilized to fabricate hierarchical macro–micro–mesoporous carbon@graphene composites, which enable high sulfur loading and confine the dissolution of lithium polysulfides, and thus exhibit… Click to show full abstract
Trash to treasure: discarded cigarette filters have been utilized to fabricate hierarchical macro–micro–mesoporous carbon@graphene composites, which enable high sulfur loading and confine the dissolution of lithium polysulfides, and thus exhibit an excellent electrochemical performance in Li–S batteries.
               
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