Rapidly grown IBAD LiPON films with high Li-ion conductivity and electrochemical stability

被引:34
作者
Vereda, F [1 ]
Goldner, RB [1 ]
Haas, TE [1 ]
Zerigian, P [1 ]
机构
[1] Tufts Univ, Electroopt Technol Ctr, Medford, MA 02155 USA
关键词
D O I
10.1149/1.1508550
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
LiPON films have been produced by nitrogen ion beam assisted deposition (IBAD) of thermally evaporated Li3PO4. This process allowed us to rapidly deposit X-ray amorphous LiPON films with densities close to that of the handbook value for Li3PO4, high ionic conductivity (1.6 x 10(26) S/cm), electronic conductivity smaller than 8 x 10(-13) S/cm, and an electrochemical stability window of over 6.0 V. These properties, combined with the high deposition rates that can be achieved with this process (>1.0 nm/s), make it an attractive candidate for industrial production of LiPON thin films for Li-ion batteries. (C) 2002 The Electrochemical Society.
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收藏
页码:A239 / A241
页数:3
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