Lithium Metal Negative Electrode for Batteries with High Energy Density: Lithium Utilization and Additives

Kazuki YOSHII; Hikari SAKAEBE

doi:10.5796/electrochemistry.20-00085

抄録

Metallic lithium is considered to be the ultimate negative electrode for a battery with high energy density due to its high theoretical capacity. In the present study, to construct a battery with high energy density using metallic lithium as a negative electrode, charge/discharge tests were performed using cells composed of LiFePO₄ and metallic lithium at various lithium utilization values. A relationship was observed between utilization and cycle performance, and the degradation behavior of metallic lithium was evaluated by cross-sectional FE-SEM observations. We also investigated the effects of additives in the electrolyte and found that FEC and VC effectively improved cycle performance.

著者関連情報

This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium provided the original work is properly cited. [DOI: 10.5796/electrochemistry.20-00085].
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http://creativecommons.org/licenses/by/4.0/

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電氣化學

電気化学および工業物理化学

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