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A highly elastic and flexible solid-state polymer electrolyte based on ionic liquid-decorated PMMA nanoparticles for lithium batteries

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Abstract

A novel solid-state polymer electrolyte (SPE) based on ionic liquid (IL) and surface functionalized PMMA nanoparticles is reported. It exhibits a much improved ionic conductivity of 5.12 × 10−4 S cm−1 at 30 °C, an enhanced lithium ion transference number, and a wide electrochemical window of up to ∼5.1 V. The enhanced ionic conductivity is attributed to the unique self-assembly of PMMA nanoparticles with surface-tethered IL groups. It is also found that further incorporation of the IL-based phase can significantly increase the ion mobility by providing a microscopic fluidic environment. More interestingly, this SPE exhibits excellent elasticity with an exceptionally high elongation-at-break value of up to 1600%. These attributes enable it to be a high-performance membrane electrolyte and a separator that is suitable for flexible and wearable lithium batteries.

Graphical abstract: A highly elastic and flexible solid-state polymer electrolyte based on ionic liquid-decorated PMMA nanoparticles for lithium batteries

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Publication details

The article was received on 01 Aug 2017, accepted on 23 Sep 2017 and first published on 25 Sep 2017


Article type: Paper
DOI: 10.1039/C7NJ02827J
Citation: New J. Chem., 2017, Advance Article
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    A highly elastic and flexible solid-state polymer electrolyte based on ionic liquid-decorated PMMA nanoparticles for lithium batteries

    Y. Li, K. Wai Wong, Q. Dou, W. Zhang, L. Wang and K. Ming Ng, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ02827J

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