Abstract:
High specific energy and low cost flexible lithium/sulfur batteries have attracted significant
attention as a promising power source to enable future flexible and wearable electronic
devices. Here, we review recent progress in the development of free-standing sulfur composite
cathodes, with special emphasis on electrode material selectivity and battery structural
design.The mini-review is organized based on the dimensionality of different scaffold
materials, namely one-dimensional carbon nanotube (CNT), two-dimensional graphene,
and three-dimensional CNT/graphene composite, respectively. Finally, the opportunities
and perspectives of the future research directions are discussed.
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