Constructing a novel and safer energy storing system using a graphite cathode and a MoO3 anode

Nanda Gunawardhana, Gum Jae Park, Nikolay Kirilov Dimov, Arjun Kumar Thapa, Hiroyoshi Nakamura, Hongyu Wang, Tatsumi Ishihara, Masaki Yoshio

    研究成果: ジャーナルへの寄稿学術誌査読

    42 被引用数 (Scopus)

    抄録

    A cell employing a graphite cathode and a molybdenum (VI) oxide (MoO 3) anode is investigated as a possible energy storage device. Graphite cathode allows raising the voltage well above the cathode materials of LIBs without causing safety issues. The bottom potential of this anode is 2.0 V vs. Li/Li+, which is well above the lithium plating potential. Pulse polarization experiment reveals that no lithium deposition occurs, which further enhances the safety of the graphite/MoO3 full cell. Charge/discharge mechanism of this system results from intercalation and de-intercalation of the PF6- in the cathode (KS-6) and Li+ in the anode (MoO3). This mechanism is supported by in situ X-ray diffraction data of the graphite/MoO3 cell recorded at various states of charge.

    本文言語英語
    ページ(範囲)7886-7890
    ページ数5
    ジャーナルJournal of Power Sources
    196
    18
    DOI
    出版ステータス出版済み - 9月 15 2011

    !!!All Science Journal Classification (ASJC) codes

    • 再生可能エネルギー、持続可能性、環境
    • エネルギー工学および電力技術
    • 物理化学および理論化学
    • 電子工学および電気工学

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