Journal
JOURNAL OF POWER SOURCES
Volume 196, Issue 23, Pages 10280-10288Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2011.07.015
Keywords
Composite polymer electrolyte; Methacrylate; Photo polymerisation; Cellulose; Lithium battery; Mechanical property
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Methacrylic-based thermo-set gel-polymer electrolyte membranes obtained by a very easy, fast and reliable free radical photo-polymerisation process and reinforced with microfibrillated cellulose particles are here presented. The morphology of the composite electrolytes is investigated by scanning electron microscopy and their thermal behaviour (characteristic temperatures, degradation temperature) are investigated by thermo-gravimetric analysis and differential scanning calorimetry. The composite membranes prepared exhibit excellent mechanical properties, with a Young's modulus as high as about 80 MPa at ambient temperature. High ionic conductivity (approaching 10(-3) S cm(-1) at 25 degrees C) and good overall electrochemical performances are maintained, enlightening that such specific approach would make these hybrid organic, cellulose-based composite polymer electrolyte systems a strong contender in the field of thin and flexible lithium based power sources. (C) 2011 Elsevier B.V. All rights reserved.
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