期刊
EUROPEAN POLYMER JOURNAL
卷 152, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2021.110453
关键词
Cobalt mediated radical polymerization (CMRP); Polymerized ionic liquid (PILs); Redox polymer and organic cathode
By synthesizing organic electrode materials with excellent ionic conductivity and combining redox activity with remarkable ionic conductivity, outstanding charge rate performance was achieved in lithium-ion batteries.
The cobalt-mediated radical polymerization (CMRP) of new ionic liquid monomers (ILMs), vinyl imidazolium functionalized with redox-active free radical 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)VIm and its CMR copolymerization with vinyl imidazolium units functionalized with triethylene oxide (TEG)VIm produced a well-defined PILs (co)polymers. The controlled nature of (co)polymerization can be seen from the linear first-order kinetic plot, linear evolutions of the molar mass with total monomer conversion and the low polydispersity of the resulting (co)polymers. By combining the redox activity of (TEMPO)PVIm and remarkable ionic conductivity of (TEG)PVIm, outstanding rate capability performance was achieved with a remarkable capacity of 69 mAh g(-)(1) at 60C. The obtained organic electrode can serve as sustainable electrodes in lithium ion batteries.
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