Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7731552 | Journal of Power Sources | 2015 | 9 Pages |
Abstract
Flexible ceramic separators based on Li+-conducting lithium lanthanum zirconium oxide are prepared as thin films and directly applied onto negative electrode to produce a separator-electrode assembly with good interfacial adhesion and low interfacial resistances. The ceramic separators show an excellent thermal stability and high ionic conductivity as compared to conventional polypropylene separator. The lithium-ion batteries assembled with graphite negative electrode, Li+-conducting ceramic separator and LiCoO2 positive electrode exhibit good cycling performance in terms of discharge capacity, capacity retention and rate capability. It is also demonstrated that the use of a ceramic separator can greatly improve safety over cells employing a polypropylene separator, which is highly desirable for lithium-ion batteries with enhanced safety.
Related Topics
Physical Sciences and Engineering
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Authors
Yun-Chae Jung, Seul-Ki Kim, Moon-Sung Kim, Jeong-Hye Lee, Man-Seok Han, Duck-Hyun Kim, Woo-Cheol Shin, Makoto Ue, Dong-Won Kim,