高比能锂离子电池合金负极材料研究-赵海雷.ppt

高比能锂离子电池合金负极材料研究-赵海雷
Thermodynamic calculation for carbothermal reduction of metal oxides
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Flow chart
Oxides
C高比能锂离子电池合金负极材料研究-赵海雷
Thermodynamic calculation for carbothermal reduction of metal oxides
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Flow chart
Oxides
Carbon
Mixing
Firing
Sieving
Tape casting
Assembling cell
XRD
SEM, TEM
BET
Charge/discharge cycling
Cyclic voltammograms
AC impedance
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Sn-Sb system
850 ℃, 2 h
850 ℃, 6 h
TEM for single particle
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SEM morphologies of SnSb alloy powders
2 h
4 h
6 h
8 h
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Sn-Sb system
Mario Wachtler , J. Power Sources 105 (2002):151-160
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Sn-Sb system
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Sn-Sb system
体积比容量是碳负极的2倍。
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Sn-Ni system
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Sn-Ni system
. Guo , . Zhao, . Liu, . Dou,
Carbon 43 (2005) 1392
Cycling performance of NiSn2 alloy
composite electrode at constant current
density of 100mAg-1
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Sn-Sb-Ni system
900 ℃, 2 h
Cycling performance
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Sn-Co system
C. Mi, et al, J. Inorganic Chemistry, 3 (2003) 283.
800℃, 2 h
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Sn-Cu-Co system
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Sn-Cu-Co system
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Sn-Co-C
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Si-基负极材料的研究
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Si-基负极材料的研究
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致谢
感谢国家“863”高技术发展计划对本项目的支持 (No. 2006AA03Z231).
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合作愉快