Issue 13, 2019

A novel ionically crosslinked gel polymer electrolyte as an ion transport layer for high-performance electrochromic devices

Abstract

In this study, a novel ionically crosslinked gel polymer electrolyte (PADA gel electrolyte) with a transmittance of more than 97% was successfully fabricated and applied in electrochromic devices (ECDs) as an ion transport layer. The PADA gel-based ECDs (PECDs) exhibited the large optical modulation of 61% at 660 nm, the high coloration efficiency of 78.7 cm2 C−1, and a good memory effect. The shortest colored time (tc) and bleached time (tb) of the PECD were 7.5 s and 8.5 s, respectively, due to high Li+ mobility of the PADA layer. The ionic conductivities of the PADA gel electrolyte are 1.33 × 10−2 S cm−1 and 0.56 × 10−2 S cm−1 at 25 °C and −10 °C respectively, since its conductive behavior is similar to that of liquid electrolytes. The PECDs showed good cycling durability and long-term stability, which is attributed to the stable structures of the PADA gel electrolyte.

Graphical abstract: A novel ionically crosslinked gel polymer electrolyte as an ion transport layer for high-performance electrochromic devices

Supplementary files

Article information

Article type
Communication
Submitted
01 Feb 2019
Accepted
04 Mar 2019
First published
05 Mar 2019

J. Mater. Chem. C, 2019,7, 3744-3750

A novel ionically crosslinked gel polymer electrolyte as an ion transport layer for high-performance electrochromic devices

W. Chen, C. Zhu, L. Guo, M. Yan, L. Wu, B. Zhu, C. Qi, S. Liu, H. Zhang and Y. Peng, J. Mater. Chem. C, 2019, 7, 3744 DOI: 10.1039/C9TC00621D

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