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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 21, Number 2
BKCSDE 21(2)
February 20, 2000 

 
Title
Synthesis and Conductivity of PEGME Braneded Poly(ethylene-alt-maleimide) Based Solid Polymer Electrolyte
Author
Yongku Kang, Yeon-Ho Seo, Changjin Lee
Keywords
Abstract
A thermally stable comb-like polymer electrolyte, poly(ethylene glycol) monomethyl ether (PEGME) grafted poly(ethylene-alt-maleimide), has been synthesized and characterized. The copolymer was thermally stable up to 250℃ and had good film forming property. The copolymer was well mixed with poly(ethylene glycol) dimethyl ether(PEGDME, Mw = 400). The activation energy of ionic conduction decreased and conductivity increased with the increase of PEGDME content in the polymer electrolyte. The maximum conductivity of the resulting polymer electrolyte containing 66 wt% of PEGDME was found to be 3 ×10 -4 S/cm at 30℃. The polymer electrolyte showed electrochemical stability window of greater than 4.7 V.
Page
241 - 244
Full Text
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