XPS/EXAFS study of cycleability improved LiMn2O4 thin film cathodes prepared by solution deposition

Dong Wook Shin, Ji Won Choi, Won Kook Choi, Yong Soo Cho, Seok Jin Yoon

Research output: Contribution to journalArticle

19 Citations (Scopus)


The influence of Sn substitution in LiMn2O4 thin films as a cathode has been studied via solution deposition to improve the electrochemical performance of thin film lithium batteries. LiSn0.025Mn1.95O4 thin films showed the most promising performance, i.e. a high capacity retention of 77% at 10 C after the 500th cycle, due to the increased average Mn valence state. The thin films of LiSnx/2Mn2-xO4 (x ≥ 0.10) showed significant precipitation of SnO2 and SnO after the cycling evaluation.

Original languageEnglish
Pages (from-to)695-698
Number of pages4
JournalElectrochemistry Communications
Issue number3
Publication statusPublished - 2009 Mar 1

All Science Journal Classification (ASJC) codes

  • Electrochemistry

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