3.8 Proceedings Paper

High-Voltage LiNi0.5Mn1.5O4 Thin Film Cathode Prepared by RF Sputtering

Journal

SELECTED PROCEEDINGS FROM THE 232ND ECS MEETING
Volume 80, Issue 10, Pages 331-334

Publisher

ELECTROCHEMICAL SOC INC
DOI: 10.1149/08010.0331ecst

Keywords

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Funding

  1. Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2017R1A2B4007875]
  2. National Research Foundation of Korea (NRF) - Korean government (MSIP) [NRF2013R1A4A1069528]
  3. National Research Foundation of Korea [2017R1A2B4007875] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Thin films of LiNi0.5Mn1.5O4 were prepared on stainless steel substrates using reactive radio-frequency sputtering method. The crystallinity of the post-annealed films at different temperatures after deposition at room temperature was studied, using XRD. Electrochemical properties of LiNi0.5Mn1.5O4 thin film cathodes were investigated using charge/discharge voltage curve against a lithium foil anode. The crystallinity and the electrochemical characteristics of post-annealed temperature are not consistent with each other. Among them, the best electrochemical characteristics were obtained at 600 degrees C. To further analyze the reason, additional SIMS measurement was performed.

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