| PAMS基凝胶型聚合物锂电池的制备及电化学性能表征 |
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| 基金项目： | 国家自然科学基金;中国科学院"百人计划";Ph.D.Programs Foundation of Ministry of Education of China |
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| 摘 要： |
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| 关 键 词： | 锂离子电池 凝胶型聚合物电解质 PAMS γ射线原位辐照 |
Fabrication and Electrochemical Characterization of PAMS-based Gel-polymer Lithium Batteries |
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| Authors: | Zhou Yifeng Xie Song Chen Chunhua |
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| Abstract: | An admixture of acrylonitrile, methyl methacrylate, styrene and commercial liquid electrolyte (LB302, 1 mol/L solution of LiPF6 in 1∶1 EC/DEC) was enclosed in CR2032 cells. The assembled cells were then γ-ray irradiated using configurations of LiNi0.8Co0.2O2/Li half cells. Through this in-situ irradiation polymerization process, rechargeable lithium cells with poly(acrylonitrile-co-methyl methacrylate-co-styrene) (PAMS) were obtained based gel polymer electrolytes. The structure and thermal stability of PAMS were characterized by FT IR and DSC analyses. The electrochemical properties and charge discharge performance of PAMS-based gel-polymer lithium cells were evaluated by AC impedance spectroscopy, cyclic voltammetry and gavanostatic battery cycling. The results indicate that the in-situ gama-ray irradiation approach is convenient to prepare gel-polymer lithium cells with good charge-discharge performance. |
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| Keywords: | Lithium-ion batteries Gel-polymer electrolytes PAMS γ-ray Irradiation |
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