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以机械合金法制备了SnSb-Mo合金,并用XRD、SEM和EDS对合金的成分、组成及形貌等进行了分析;对合金材料的嵌脱锂性能研究发现,合金材料在最初的几次循环较好,但在随后的循环过程中容量迅速下降,通过SEM和EIS的分析发现影响合金材料循环性能的主要原因是合金材料与Cu基体之间的电接触.经过热处理后具有良好的嵌脱锂性能,首次嵌锂容量高达589mAh/g,经过20次循环之后仍具有451mAh/g的容量.

参考文献

[1] Winter M;Bensenhard J O .[J].Electrochimica Acta,1999,45:31-50.
[2] Kepler K D;Vaughey J T;Thackeray M M .[J].Journal of Power Sources,1999,81-82:383-387.
[3] Vaughey J T;Kepler K D;Benedek R et al.[J].Electrochemistry Communications,1999,1(11):517-521.
[4] Wolfenstine J;Campos S;Foster D et al.[J].Journal of Power Sources,2002,109:230-233.
[5] Kim YL.;Lee HY.;Jang SW.;Lee SJ.;Baik HK.;Yoon YS.;Park YS.;Lee SM. .Nanostructured Ni3Sn2 thin film as anodes for thin film rechargeable lithium batteries[J].Solid state ionics,2003(3/4):235-240.
[6] H. Li;L. Shi;W. Lu .Studies on Capacity Loss and Capacity Fading of Nanosized SnSb Alloy Anode for Li-Ion Batteries[J].Journal of the Electrochemical Society,2001(8):A915-A922.
[7] Yang J.;Imanishi N.;Xie JY.;Yamamoto O.;Takeda Y. .Intermetallic SnSbx compounds for lithium insertion hosts[J].Solid state ionics,2000(3/4):189-194.
[8] Mao O;Dunlap R A;Dahn J R .[J].Solid State Ionics,1999,118:99-109.
[9] G. M. Ehrlich;C. Durand;X. Chen;T. A. Hugener;F. Spiess;S. L. Suib .Metallic negative electrode materials for rechargeable nonaqueous batteries[J].Journal of the Electrochemical Society,2000(3):886-891.
[10] Kim D G;Kim H;Sohn H J et al.[J].Journal of Power Sources,2002,104:221-225.
[11] Huggins RA. .Lithium alloy negative electrodes formed from convertible oxides[J].Solid state ionics,1998(Special Issue SI):57-67.
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