PREPARATION OF STAR NETWORK PEG-BASED GEL POLYMER ELECTROLYTES FOR ELECTROCHROMIC DEVICES

Yong-feng Gong; Xiang-kai Fu; Shu-peng Zhang; Qing-long Jiang

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PREPARATION OF STAR NETWORK PEG-BASED GEL POLYMER ELECTROLYTES FOR ELECTROCHROMIC DEVICES

Papers | Updated：2021-06-21

- PREPARATION OF STAR NETWORK PEG-BASED GEL POLYMER ELECTROLYTES FOR ELECTROCHROMIC DEVICES
- Vol. 26, Issue 1, Pages: 91-97(2008)
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- Published：20 January 2008
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Yong-feng Gong, Xiang-kai Fu, Shu-peng Zhang, et al. PREPARATION OF STAR NETWORK PEG-BASED GEL POLYMER ELECTROLYTES FOR ELECTROCHROMIC DEVICES[J]. 2008, 26(1): 91-97.
DOI：

Yong-feng Gong, Xiang-kai Fu, Shu-peng Zhang, et al. PREPARATION OF STAR NETWORK PEG-BASED GEL POLYMER ELECTROLYTES FOR ELECTROCHROMIC DEVICES[J]. 2008, 26(1): 91-97. DOI：

摘要

An amorphous

colorless

and highly transparent star network polymer with a pentaerythritol core linking four PEG-block polymeric arms was synthesized from the poly(ethylene glycol) (PEG)

pentaerythritol

and dichloromethane by Williamson reaction. FTIR and 1H-NMR measurement demonstrated that the polymer repeating units were C[CH2―OCH2O―(CH2CH2O)m―CH2O―CH2CH2O)n―CH2O]4. The polymer host held well mechanical properties for pentaerythritol cross-linking. The gel polymer electrolytes based on Lithium perchlorate (LiClO4) and ethylene carbonate/propylene carbonate (EC/PC) were prepared and characterized by AC impedance spectroscopy and thermogravimetry (TG)

the results showed thermal stability up to at least 150°C and ionic conductivity reaching 8.83×10－4 S．cm－1 at room temperature. The gel polymer electrolytes were further evaluated in electrochromic devices (ECD) fabricated by transparent PET-ITO and electrochromic active viologen derivative films

and its excellent performance promised the usage of the gel polymer electrolytes as ionic conductor material in ECD

Abstract

An amorphous

colorless

and highly transparent star network polymer with a pentaerythritol core linking four PEG-block polymeric arms was synthesized from the poly(ethylene glycol) (PEG)

pentaerythritol

and its excellent performance promised the usage of the gel polymer electrolytes as ionic conductor material in ECD

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