Alloying of electrodeposited silicon with lithium-a principal study of applicability as anode material for lithium ion batteries

被引:27
|
作者
Schmuck, Martin [1 ]
Balducci, Andrea [3 ]
Rupp, Barbara [1 ]
Kern, Wolfgang [2 ]
Passerini, Stefano [3 ]
Winter, Martin [3 ]
机构
[1] Graz Univ Technol, Inst Chem Technol Mat, A-8010 Graz, Austria
[2] Univ Leoben, Inst Chem Polymer Mat, A-8700 Leoben, Austria
[3] Univ Munster, Inst Phys Chem, D-48149 Munster, Germany
关键词
Electrodeposition; Silicon; Ionic liquid; Lithiumbattery; HIGH-CAPACITY ANODES; AMORPHOUS-SILICON; ELECTROLYTES; LIQUIDS; SOLVENTS; GREEN;
D O I
10.1007/s10008-008-0763-4
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The possibility to electrodeposit silicon directly on a copper current collector out of organic electrolyte and ionic liquid was investigated with the aim to alloy the deposited silicon with lithium to prove the possible use as negative electrode in lithium ion batteries. Cyclovoltammetric analyses have shown in comparison to electrodes containing high crystalline silicon similar behaviour during the electrochemical alloying and dealloying process. SEM analyses have shown a particle size of the deposited silicon in submicron range.
引用
收藏
页码:2203 / 2207
页数:5
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