| 发明名称 |
KATHODEN-AKTIVMATERIAL AUF DER BASIS VON LITHIUM- MANGAN-ZINNOXID UND LITHIUM-SEKUNDÄRZELLE, DIE DIESES VERWENDET |
| 摘要 |
PURPOSE: A lithium secondary battery containing a lithium-manganese-tin compound cathode active thin film, a method of fabricating lithium-manganese-tin and a method for forming cathode active thin film using the same are provided to prevent phase transition by preventing Jahn-Teller deformation through substituting manganese of lithium manganese oxide (LiMn2O4) with a small amount of tin(Sn). CONSTITUTION: A cathode active material comprising a lithium-manganese-tin oxide of formula (I): LiSnx/2Mn2-xO4 (wherein, 0<x<=0.05) is prepared by a method comprising the steps of: (a) mixing powders of Li, Mn and Sn compounds to obtain a mixed powder; (b) first-milling the mixed powder; (c) calcining the first-milled powder; (d) second-milling the calcined powder; (e) pressing the second-milled powder; (f) sintering the pressed mixture to prepare a target containing Li, Sn, Mn and O; and (g) depositing an cathode active thin film containing Li, Sn, Mn and O on a substrate by irradiating laser to the target. |
| 申请公布号 |
AT516602(T) |
申请公布日期 |
2011.07.15 |
| 申请号 |
AT20080022439T |
申请日期 |
2008.12.23 |
| 申请人 |
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY |
发明人 |
CHOI, JI-WON;YOON, SEOK-JIN;SHIN, DONG WOOK |
| 分类号 |
H01M4/131;H01M4/1391;H01M4/48;H01M4/50;H01M4/505;H01M10/05 |
主分类号 |
H01M4/131 |
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