期刊
CURRENT APPLIED PHYSICS
卷 7, 期 2, 页码 172-175出版社
ELSEVIER
DOI: 10.1016/j.cap.2006.02.014
关键词
AlPO4-nanoparticle; coating; LiNi0.9Co0.1O2
资金
- National Research Foundation of Korea [R11-2002-102-02001-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This study examined the electrochemical and structural stability of similar to 1.5 wt.% AlPO4-coated LiNi0.9Co0.1O2. The AlPO4-coated LiNi0.9Co0.1O2 retained similar to 60% of the original capacity after 50 cycles, compared with the similar to 30% capacity retention of the bare LiNi0.9Co0.1O2. The discharge profiles and cyclic voltammograms from 4.5 V at 90 degrees C for 4 h showed enhanced structural stability. Scanning electron microscopy and X-ray diffraction revealed that the AlPO4-coated LiNi0.9Co0.1O2 had less degradation than the bare LiNi0.9Co0.1O2. (c) 2006 Elsevier B.V. All rights reserved.
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