New Interpenetrating Network-Type Siloxane Polymer Electrolyte

An interpenetrating network (IPN), comb-type, siloxane-based solid polymer electrolyte solid polymer electrolyte was prepared and its electrochemical properties were evaluated. The cross-linking reaction conditions were established from accelerated rate calorimetry studies. An IPN solid ploymer elec...

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Bibliographic Details
Published in:Electrochemical and solid-state letters 2002-11, Vol.5 (11), p.E59
Main Authors: Oh, Bookeun, Hyung, Yoo-Eup, Vissers, Donald R., Amine, Khalil
Format: Article
Language:English
Subjects:
CALORIMETRY
CROSS-LINKING
ELECTROLYTES
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
IONIC CONDUCTIVITY
LITHIUM
POLYMERS
SILOXANES
STABILITY
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Summary:An interpenetrating network (IPN), comb-type, siloxane-based solid polymer electrolyte solid polymer electrolyte was prepared and its electrochemical properties were evaluated. The cross-linking reaction conditions were established from accelerated rate calorimetry studies. An IPN solid ploymer electrolyte with 60 wt % of the comb-shaped siloxane showed an ionic conductivity of greater than 5x10{sup -4} S/cm at 37 C, with a wide electrochemical stability window of up to 4.5 V vs. lithium. A Li metal/solid polymer electrolyte/LiNi{sub 0.8}Co{sub 0.2}O{sub 2} cell showed promising discharge capacities above 130 mAh/g and good cycling performance.
ISSN:1099-0062
1944-8775
DOI:10.1149/1.1511342