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Acta Physico-Chimica Sinica  2010, Vol. 26 Issue (09): 2387-2391    DOI: 10.3866/PKU.WHXB20100818
Nanosized Flame Retarded HydroxideMagnesium/Poly(ethylene-oxide) Composite Polymer Electrolyte
LI Ya-Juan1, ZHAN Hui2, LIU Su-Qin1, HUANG Ke-Long1, ZHOU Yun-Hong2
1. College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China;
2. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
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We prepared nanosized hydroxide magnesium (Mg(OH)2) as a plasticizer and a flame-retarding additive for a poly(ethylene-oxide) (PEO) based polymer electrolyte. We characterized the prepared compound using transition electron microscopy (TEM), X-ray diffraction (XRD), and thermogravimetry (TG). The prepared hydroxide magnesium particles are hexagonal crystals with sizes of 50-80 nm. The decomposition of the prepared nanosized hydroxide magnesium started at 340 ℃. Electrochemical measurements shows that the ionic conductivity of the Mg(OH)2/PEO composite polymer electrolytes (CPEs) increases initially and then decreases with an increase in hydroxide magnesium content. It reaches a maximum when the hydroxide magnesium mass fraction is between 5% and 10%. The anodic decomposition potential of the CPEs increases to a certain extent as the hydroxide magnesium content increases. Hydroxide magnesiumhas a positive influence on the electrochemical stability of PEO.

Key wordsLithiumion battery      Nanosized hydroxide magnesium      Flame-retarding      Poly(ethylene-oxide)      Polymer electrolyte     
Received: 15 January 2010      Published: 23 June 2010
MSC2000:  O646  

The project was supported by the National Science Foundation for Post-doctoral Scientists of China (20080440989) and Specialized Research Fund for the Doctoral Programof Higher Education of China (20090162120011).

Corresponding Authors: LI Ya-Juan     E-mail:
Cite this article:

LI Ya-Juan, ZHAN Hui, LIU Su-Qin, HUANG Ke-Long, ZHOU Yun-Hong. Nanosized Flame Retarded HydroxideMagnesium/Poly(ethylene-oxide) Composite Polymer Electrolyte. Acta Physico-Chimica Sinica, 2010, 26(09): 2387-2391.

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