Surface Modification of LiSr[sub 0.002]Ni[sub 0.9]Co[sub 0.1]O[sub 2] by Overcoating with a Magnesium Oxide
- 1 January 1999
- journal article
- Published by The Electrochemical Society in Electrochemical and Solid-State Letters
- Vol. 3 (3) , 128-130
- https://doi.org/10.1149/1.1390978
Abstract
Commercially obtained was modified by overcoating its surface with . As the surface was modified, onset temperature of thermal dissociation was increased about , and heat dissipation during thermal decomposition was diminished to a substantial extent. Lithium‐ion batteries whose cathodes were made from the surface‐modified exihibited improved performance, especially at the demanding rate of . Tendency toward explosion in the cylindrical battery was largerly alleviated by the surface treatment, even though the safety rating has not yet reached the industrial criterion. ©2000 The Electrochemical SocietyKeywords
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