電解液への添加剤の有無によるリチウムイオン二次電池のサイクルライフと保管性能への影響評価

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概要

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• Two 7.5 Ah lithium-ion secondary cells were fabricated with the same design of electrodes and separator. One cell had the mixture of ethylene carbonate (EC) and diethyl carbonate (DEC) as an electrolyte solution containing vinylene carbonate as an additive to control the solid electrolyte interphace, while the other cell used a conventional electrolyte solution. These cells were used in cycle-life and storage tests and the increases in their impedances were monitored. The activation energy calculated from the temperature dependence of the impedance remained constant after 1,000 h. It was found that the additive like vinylene carbonate do not influence to the activation energy as a function of time for the electrochemical reaction inside the cell.

著者

• Sone Yoshitsugu

  Japan Aerospace Exploration Agency

• HATAKEYAMA Kohichi

  Advanced Engineering Services Co. Ltd.

• YAMADA Shigeaki

  Advanced Engineering Services Co. Ltd.

• UMEDA Minoru

  Nagaoka University of Technology

関連論文

• AN OVERVIEW AND LESSONS-LEARNED OF SMALL SCIENTIFIC SATELLITE "INDEX"(REIMEI)(WSANE2007)
• Chronopotentiometric Investigation of Anode Deterioration in Lithium Ion Secondary Cell Incorporating Reference Electrode
• 電解液への添加剤の有無によるリチウムイオン二次電池のサイクルライフと保管性能への影響評価
• AC Impedance Spectroscopy of Lithium-Ion Secondary Cell Exposed to Elevated Temperature
• Performance of the Lithium-Ion Secondary Cells Targeting Space Exploration Missions
• Charge and Discharge Performance of the Lithium-ion Secondary Battery in Space

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