Conduction Properties of PTMSPMA-PEO and its Application as Polymer Electrolyte in LiFePO4 Batteries

Sahrul Hidayat; Orina Amelia; Iman Rahayu; Fitrilawati Fitrilawati

doi:10.4028/www.scientific.net/MSF.827.125

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HomeMaterials Science ForumMaterials Science Forum Vol. 827Conduction Properties of PTMSPMA-PEO and its...

Conduction Properties of PTMSPMA-PEO and its Application as Polymer Electrolyte in LiFePO₄ Batteries

Abstract:

The conduction properties of polymer composite PTMSPMA-PEO as electrolyte in lithium-ion batteries has been investigated. The gel polymer of PTMSPMA was synthesized by sol-gel method using 3-(Trimethoxysilyl)-propyl-methacrylate as monomer. The Composite of PTMSPMA-PEO with various composition (50:50, 60:40, 80:20; wt%) was made by solution method. The polymer electrolyte was composed of LiClO₄ salt dissolved in propylene carbonate and mixed with PTMSPMA-PEO. The ionic conduction of polymer electrolyte was characterized by electrochemical impedance spectroscopy. The battery performance of polymer electrolyte was estimated with coin cell, where LiFePO₄ was used as cathode and graphite was use as anode. The high ionic conductivity of 6.67 x10^-3 S/cm has been observed for the composition of PTMSPMA : PEO 60:40 (wt%) in room temperature. The performance of cell battery was investigated by charge-discharge using constant current 0,1 mA/cm². The operational voltage of cell battery is around 1 V until 2.2 Volt with Columbic efficiency around 60%.

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Periodical:

Materials Science Forum (Volume 827)

Pages:

125-130

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.827.125

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Online since:

August 2015

Authors:

Sahrul Hidayat*, Orina Amelia, Iman Rahayu, Fitrilawati Fitrilawati

Keywords:

Conduction Properties, Impedance Spectroscopy, Polymer Electrolyte

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