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Cesium Ion Exchanged Zeolite Coating for High Performance Spinel Cathode Material in Lithium Ion Batteries
- Authors
- Kim, Dae-Soo; Lee, Ilbok; Kim, Jaekwang; Hwang, Kee Bum; Kim, Hyosung; Oh, Seung M.; Yoon, Song Hun
- Issue Date
- Oct-2017
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Spinel Manganese Oxide; Cathode; Zeolite Coating; High Temperature; Cycling
- Citation
- SCIENCE OF ADVANCED MATERIALS, v.9, no.10, pp 1843 - 1846
- Pages
- 4
- Journal Title
- SCIENCE OF ADVANCED MATERIALS
- Volume
- 9
- Number
- 10
- Start Page
- 1843
- End Page
- 1846
- ISSN
- 1947-2935
1947-2943
- Abstract
- Herein, cesium ion-exchanged Y-type zeolite (CsY) of needles-shape was attached on the surface of spinel lithium manganese oxide (LMO). The prepared material was applied to a lithium-ion battery cathode. While the reversible capacity remained similar, significant improvement of initial efficiency and rate capability were observed. Furthermore, cycling performance at high temperature was enhanced when compared with conventional LMO cathodes. This enhancement was possibly due to the acid scavenging effect of the alumina component in Y zeolite and the ion exchange of CsY zeolite with dissolved manganese ions.
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