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Issue 58, 2016, Issue in Progress
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A pre-lithiated phloroglucinol based 3D porous framework as a single ion conducting electrolyte for lithium ion batteries

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Abstract

We report the design and synthesis of an inherently porous single ion conducting gel electrolyte made from a pre-lithiated phloroglucinol-terephthalaldehyde 3D framework for lithium ion batteries, adopting a “bottom-up” approach. The cationic transference number of the membrane obtained by blending the complex with PVDF–HFP followed by solution casting was found to be 0.86, close to unity. The mobile lithium ions shuttle through the low resistant pathways offered by the 3D network by virtue of its high porosity. The electrolyte offers a high ionic conductivity of 6.3 × 10−4 S cm−1 at room temperature (22 °C), comparable to the values of most gel polymer electrolytes. Furthermore, the electrolyte membrane displays high thermal stability and good mechanical strength. Coin cells assembled with the membrane perform well at both room temperature and 80 °C.

Graphical abstract: A pre-lithiated phloroglucinol based 3D porous framework as a single ion conducting electrolyte for lithium ion batteries

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Supplementary files

Article information


Submitted
10 Apr 2016
Accepted
23 May 2016
First published
25 May 2016

RSC Adv., 2016,6, 53140-53147
Article type
Paper

A pre-lithiated phloroglucinol based 3D porous framework as a single ion conducting electrolyte for lithium ion batteries

R. Rohan, K. Pareek, Z. Chen and H. Cheng, RSC Adv., 2016, 6, 53140
DOI: 10.1039/C6RA09215B

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