Lithium-ion rechargeable cells with polyacenic semiconductor (PAS) and LiCoO2 electrodes

被引:5
作者
Huang, BY [1 ]
Xue, RJ [1 ]
Li, GB [1 ]
Huang, YZ [1 ]
Yan, HW [1 ]
Chen, LQ [1 ]
Wang, FS [1 ]
机构
[1] CHINESE ACAD SCI,BEIJING 1000864,PEOPLES R CHINA
关键词
lithium-ion batteries; rechargeable lithium cells; polyacenic semiconductor; lithium; electrodes;
D O I
10.1016/0378-7753(96)89189-0
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Polyacenic semiconductor (PAS), heat-treated at 700 degrees C, has a lithium intercalation capacity as high as 438 mAh g(-1) which is higher than the theoretical capacity of 372 mAh g(-1) for graphite. The electrochemical behaviour of PAS is examined by studying Li/PAS and Li/graphite cells. In a PAS or graphite anode, three reactions are distinguished: (i) reaction of lithium with the Teflon binder; () decomposition of electrolyte, and (iii) intercalation of Li+ ions. Two laboratory cells with liquid organic electrolyte or polymer electrolyte and PAS as the anode demonstrate that PAS is a promising anode material for lithium-ion batteries.
引用
收藏
页码:177 / 181
页数:5
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