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One-step radiation synthesis of gel polymer electrolyte with high ionic conductivity for lithium-ion batteries

Abstract

We demonstrated a one-step synthesis method for a novel gel polymer electrolyte (named as PDMP-Li GPE) based on 3-(dimethylamino) propyl methacrylate, poly(ethylene glycol) diacrylate and 1 M LiPF6 liquid electrolyte solution by γ-radiation technique for lithium-ion battery. The resultant PDMP-Li GPE exhibited good thermal stability, excellent mechanical strength and high ionic conductivity, and the highest ionic conductivity reached 8.88×10-3 S cm-1 at 25 oC. The LiFePO4/PDMP-Li GPE/graphite pouch-type cell exhibited more than 97% columbic efficiency and the capacity retention was about 86% after 50 cycles at 0.1 C. With the outstanding characteristics, it is expected to be a potential candidate for the application in polymer lithium-ion batteries.

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Publication details

The article was received on 15 Mar 2017, accepted on 15 May 2017 and first published on 16 May 2017


Article type: Paper
DOI: 10.1039/C7TA02291C
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    One-step radiation synthesis of gel polymer electrolyte with high ionic conductivity for lithium-ion batteries

    Y. Wang, J. Qiu, J. PENG, J. Li and M. Zhai, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA02291C

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