| LiBOB-PC/DEC电解液性质研究 |
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| 引用本文： | 宁英坤,余碧涛,李福燊,仇卫华. LiBOB-PC/DEC电解液性质研究[J]. 电化学, 2006, 12(3): 257-261 |
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| 作者姓名： | 宁英坤 余碧涛 李福燊 仇卫华 |
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| 作者单位： | 北京科技大学材料科学与工程学院,无机非金属材料系,北京,100083;北京科技大学材料科学与工程学院,无机非金属材料系,北京,100083;北京科技大学材料科学与工程学院,无机非金属材料系,北京,100083;北京科技大学材料科学与工程学院,无机非金属材料系,北京,100083 |
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| 摘 要： | 合成锂离子电池新型电解质锂盐L iBOB,并与PC/DEC溶剂配成电解液.室温下研究了L iBOB-PC/DEC电解液电导率随锂盐浓度的变化规律及其用于L i/ARG电池充放电循环性能的最佳组成配比,为0.5mol.L-1L iBOB-PC/DEC(3∶7).应用交流阻抗和循环伏安法研究了该最佳电解液的电化学性质及其电极/界面状态,结果显示,石墨电极在这种电解液中可形成良好的SEI膜.
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| 关 键 词： | 锂离子电池 电解液 LiBOB PC DEC |
| 文章编号： | 1006-3471（2006）03-0257-005 |
| 收稿时间： | 2005-12-24 |
| 修稿时间： | 2006-02-27 |
The Property Study of LiBOB-PC/DEC Electrolyte |
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| NING Ying-kun,YU Bi-tao,LI Fu-shen,QIU Wei-hua. The Property Study of LiBOB-PC/DEC Electrolyte[J]. Electrochemistry, 2006, 12(3): 257-261 |
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| Authors: | NING Ying-kun YU Bi-tao LI Fu-shen QIU Wei-hua |
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| Abstract: | The new electrolyte salt LiBOB for Li-ion battery was synthesized in laboratory,and series of electrolytes of LiBOB and PC/DEC was compounded.The conductivity of the electrolytes was compared by changing the temperature and concentration.The cycling performance of charging-discharging was also compared by the charging-discharging test,the results showed that the varying regularity of conductivities and cycling stability and capacity were not always identical,but there were a suitable electrolyte for Li/ARG cell.The A.C.impedance and CV were used to test the compatibility of the most suitable electrolyte and ARG anode.Conclusion can be drawn that the ARG anode can be protected very well by SEI film in 0.5 mol·L~(-1)LiBOB-PC/DEC(3∶7). |
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| Keywords: | Li-ion battery Electrolyte LiBOB PC DEC |
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