Electrochemical Lithium Deposition-dissolution Reaction of a Ti Modified Multi-layered Solid Electrolyte Sheet

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概要

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• Multi-layered solid electrolyte sheets (OHARA sheet (Ohara Inc., Kanagawa, Japan)/lithium phosphorus oxynitride (LiPON)) with a copper current collector film on the LiPON side were prepared, and the effects of Ti modification at the OHARA sheet/LiPON interface on the electrochemical lithium deposition-dissolution reaction were investigated. Lithium plating-stripping current in cyclic voltammograms increased with an appropriate amount of Ti modification, indicating that Li+ transfer resistance at the OHARA sheet/LiPON interface decreased due to the modification. In addition, the Ti modification stabilized the electrochemical lithium deposition-dissolution reaction. This suggested that Ti modification increase the number of Li+ transfer sites at the interface, resulting in a good distribution of nucleation reaction sites on the copper film as well as the stabilization of the current collector film.

• 公益社団法人 電気化学会の論文

著者

• Iriyama Yasutoshi

  Department Of Energy And Hydrocarbon Chemistry Graduate School Of Engineering Kyoto University

• SHIMADA Yuya

  Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University

• OKUNO Yuki

  Department of Materials Science and Chemical Engineering, Faculty of Engineering, Shizuoka University

• OKITA Kengo

  Department of Materials Science and Chemical Engineering, Faculty of Engineering, Shizuoka University

• IRIYAMA Yasutoshi

  Department of Materials Science and Chemical Engineering, Faculty of Engineering, Shizuoka University

• IRIYAMA Yasutoshi

  Department of Energy & Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University

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