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Nanoporous Materials
In article number 2300697, Li Sheng, Hong Xu, Cheng Wang, Xiangming He, and co‐workers provide a method (i.e. electrospinning) to convert sulfonated polymers into high‐performance lithium battery separators. The nanofibrous Nafion separator swelled in liquid electrolytes has in situ generated nanochannels, efficiently accelerating lithium ion transport.
Sulfonated polymers have long been used as proton‐conducting materials in fuel cells, and their ionic transport features are highly attractive for electrolytes in lithium‐ion/metal batteries (LIBs/LMBs). However, most studies are still based on a preconceived notion of using them directly as polymeric ionic carriers, which precludes exploring them as nanoporous media to construct efficient lithium...