Issue 41, 2012
From the journal:

Journal of Materials Chemistry

A novel all-solid electrolyte based on a co-polymer of poly-(methoxy/hexadecal-poly(ethylene glycol) methacrylate) for lithium-ion cell†

Xiang Zuo,a   Xiao-Min Liu,a   Feng Cai,a   Hui Yang,*a   Xiao-Dong Shen*b  and  Gao Liuc  

* Corresponding authors

a College of Materials Science and Engineering, Nanjing University of Technology, 5 Xinmofan Road, Nanjing, Jiangsu, P. R. China
E-mail: yanghui@njut.edu.cn
Fax: +86-25-83587275
Tel: +86-25-83587275

b College of Materials Science and Engineering, Nanjing University of Technology, 5 Xinmofan Road, Nanjing, Jiangsu, P. R. China
E-mail: xdshen@njut.edu.cn
Fax: +86-25-83587234
Tel: +86-25-83587234

c Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd., Berkeley, CA, USA

Abstract

A novel graft copolymer solid electrolyte with a relatively high ionic conductivity, 10−3.9 S cm−1 at 30 °C and 10−3.1 S cm−1 at 80 °C, is prepared by free radical polymerization in this study. The polymer consists of methacrylate as the backbone and a mixture of hexadecal (C16)–methoxyl terminated oligo(ethylene oxide) at a certain ratio as side chains. Fourier transform infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) analysis reveal that non-polar unit (C16) end-modification not only greatly increases the mobility of the ethylene oxide (EO) chains, but also suppresses their local crystallization behavior by interrupting the regular arrangement, therefore improving the conductivity of the obtained electrolyte.

Graphical abstract: A novel all-solid electrolyte based on a co-polymer of poly-(methoxy/hexadecal-poly(ethylene glycol) methacrylate) for lithium-ion cell

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Article information

DOI
https://doi.org/10.1039/C2JM34270G
Article type
Paper
Submitted
02 Jul 2012
Accepted
29 Aug 2012
First published
31 Aug 2012

J. Mater. Chem., 2012,22, 22265-22271

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A novel all-solid electrolyte based on a co-polymer of poly-(methoxy/hexadecal-poly(ethylene glycol) methacrylate) for lithium-ion cell

X. Zuo, X. Liu, F. Cai, H. Yang, X. Shen and G. Liu, J. Mater. Chem., 2012, 22, 22265 DOI: 10.1039/C2JM34270G

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