Synthesis and Electrochemical Properties of ZnO-Coated LiNi[sub 0.5]Mn[sub 1.5]O[sub 4] Spinel as 5 V Cathode Material for Lithium Secondary Batteries
- 1 January 2002
- journal article
- Published by The Electrochemical Society in Electrochemical and Solid-State Letters
- Vol. 5 (5), A99-A102
- https://doi.org/10.1149/1.1465375
Abstract
ZnO-coated powders with excellent electrochemical cyclability and structural stability at elevated temperature have been synthesized by a sol-gel method. The structural degradation of the as-prepared and ZnO-coated electrodes before and after cycling in the 5 V region has been studied. The ZnO-coated electrode showed almost no capacity loss and retained its original cubic spinel structure after 50 cycles. We found that ZnO played an important role in reducing the HF content in the electrolyte solution. © 2002 The Electrochemical Society. All rights reserved.Keywords
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