| 增塑聚合物电解质电化学性能 |
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| 引用本文： | 刘玉文,张勇,李小龙,顾琪萍,张翠芬,黄玉东.增塑聚合物电解质电化学性能[J].电化学,2005,11(1):96-100. |
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| 作者姓名： | 刘玉文 张勇 李小龙 顾琪萍 张翠芬 黄玉东 |
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| 作者单位： | 哈尔滨工业大学理学院应用化学系,哈尔滨工业大学理学院应用化学系,广东省江门三捷电池实业有限公司研究中心,广东省江门三捷电池实业有限公司研究中心,哈尔滨工业大学理学院应用化学系,哈尔滨工业大学理学院应用化学系 黑龙江哈尔滨150001广东省江门三捷电池实业有限公司研究中心广东江门529000
,黑龙江哈尔滨150001
,广东江门529000
,广东江门529000
,黑龙江哈尔滨150001
,黑龙江哈尔滨150001 |
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| 摘 要： | 以GBL/EC复配体系为增塑剂, PVDF HFP和PMMA为聚合物基体制备胶态聚合物电解质. 研究聚合物电解质的离子传输特性和电化学稳定性. 实验表明,室温离子电导率达到 1. 2mS·cm-1, 电化学稳定窗口在 4. 5V以上. 以GBL/EC增塑聚合物电解质与表面经修饰的锂金属电极组成锂金属聚合物电池,其电极稳定性较好,充放电循环寿命得到很大的提高.
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| 关 键 词： | GBL聚合物电解质 锂电极 界面稳定性 |
| 文章编号： | 1006-3471(2005)01-0096-05 |
| 收稿时间： | 2005-02-28 |
Electrochemical Properties of Polymeric Gel Electrolyte with GBL/EC as Plasticizers |
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| LIU Yu-wen,ZHANG Yong,LI Xiao-long,GU Qi-ping,ZHANG Cui-fen,HUANG Yu-dong.Electrochemical Properties of Polymeric Gel Electrolyte with GBL/EC as Plasticizers[J].Electrochemistry,2005,11(1):96-100. |
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| Authors: | LIU Yu-wen ZHANG Yong LI Xiao-long GU Qi-ping ZHANG Cui-fen HUANG Yu-dong |
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| Abstract: | Polymeric gel electrolytes (GPE) based on PMMA and PVDF-HFP were prepared using the binary mixtures of γ-butyrolactone (GBL) and ethylene carbonate (EC) as plasticizers. The ionic transport properties and electrochemical stability were studied. The room temperature conductivity reached 1.2 mS·cm~(-1), electrochemical stability window exceeded 4.5V. The interfacial stability between GPE and lithium electrode was also investigated. The lithium metal polymer battery (LMPB) prepared with the GPE showed better charge and discharge life cycle when the the lithium metal electrode was treated with 1,4-dioxane. |
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| Keywords: | γ-butyrolactone Lithium electrode Polymer electrolyte Interfacial stability |
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