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Multi‐functional free‐standing gel polymer electrolyte with carbon nanofibre interlayers for high performance lithium‐sulfur batteries

Free‐standing trimethylolpropane ethoxylate triacrylate gel polymer electrolyte is synthesized by a chemical cross‐linking process and used as an electrolyte and separator membrane in lithium‐sulfur batteris. The cross linked gel polymer electrolyte also exhibited a stable geometric size retention of 95% at the high temperature of 130 oC. The as‐prepared gel polymer electrolyte membrane with carbon nanofibers interlayer can effectively prevent polysulfide dissolution and shuttle effect, leading to significantly enhanced electrochemical properties including high capacity and cycling stability with an enhanced specific capacity of 790 mAh g‐1 after 100 cycles.

Authors:   Sinho Choi, Jianjun Song, Chengyin Wang, Soojin Park, Guoxiu Wang
Journal:   Chemistry - An Asian Journal
Year:   2017
Pages:   n/a
DOI:   10.1002/asia.201700402
Publication date:   12-May-2017
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