Role of PVME on the ionic conductivity and morphology of a TPU based electrolyte

Role of PVME on the ionic conductivity and morphology of a TPU based electrolyte

Ionic conductivity and morphology of a 2-component hybrid polymer electrolyte comprising a polymer blend, LiClO(sub4) and propylene carbonate (PC) have been studied. The hybrid polymer electrolyte has been made by mixing LiClO(sub4) in required proportions with a blend of thermoplastic polyurethane...

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Veröffentlicht in:Polymer (Guilford) 2001, Vol.42 (1), p.71-81
Hauptverfasser: DIGAR, M, WEN, Ten-Chin
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Sprache:eng
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Applied sciences
Electrical, magnetic and optical properties
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
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WEN, Ten-Chin
description Ionic conductivity and morphology of a 2-component hybrid polymer electrolyte comprising a polymer blend, LiClO(sub4) and propylene carbonate (PC) have been studied. The hybrid polymer electrolyte has been made by mixing LiClO(sub4) in required proportions with a blend of thermoplastic polyurethane (TPU) and polyvinylmethylether (PVME) and then adding PC to it. TPU used in this study was a segmented urethane having a 1:1 mixture of polypropylene glycol (PPG) and polytetramethylene glycol (PTMG) as the soft segment and 4,4-diphenyl methane diisocyanate (MDI) extended with ethylene diamine (EDA) as the hard segment. The morphology and ionic conductivity of these hybrid polymer electrolytes were studied by using differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR) and AC impedance measurements. Electrochemical stability of the electrolyte was studied by cyclic voltammetry (CV). (Original abstract - amended)
doi_str_mv 10.1016/S0032-3861(00)00322-0
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The hybrid polymer electrolyte has been made by mixing LiClO(sub4) in required proportions with a blend of thermoplastic polyurethane (TPU) and polyvinylmethylether (PVME) and then adding PC to it. TPU used in this study was a segmented urethane having a 1:1 mixture of polypropylene glycol (PPG) and polytetramethylene glycol (PTMG) as the soft segment and 4,4-diphenyl methane diisocyanate (MDI) extended with ethylene diamine (EDA) as the hard segment. The morphology and ionic conductivity of these hybrid polymer electrolytes were studied by using differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR) and AC impedance measurements. Electrochemical stability of the electrolyte was studied by cyclic voltammetry (CV). 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subjects Applied sciences
Electrical, magnetic and optical properties
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
title Role of PVME on the ionic conductivity and morphology of a TPU based electrolyte
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