Phenomenological investigation of operando lithium-ion battery for automotive application

Sohei Suga*, Satoshi Takaichi, Junko Kurihara, Takao Nakagaki, Shuichiro Hirai, Yuichiro Tabuchi

*この研究の対応する著者

研究成果: Paper査読

抄録

Lithium-ion batteries for automotive use require not only downsizing but also compatibility between energy density and power density. To satisfy these requirements, a phenomenological understanding of the conditions occurring in a battery during operation is essential. Understanding the behavior of ion transport during charging and discharging is an especially key factor for optimal battery design. This paper presents the results of X-ray in-situ visualization and in-situ electrochemical impedance spectroscopy (EIS). X-ray analysis showed the ion concentration change at the electrodes and EIS revealed the resistance change. The results agreed well quantitatively and were validated by a numerical method.

本文言語English
出版ステータスPublished - 2018
イベント31st International Electric Vehicle Symposium and Exhibition, EVS 2018 and International Electric Vehicle Technology Conference 2018, EVTeC 2018 - Kobe City, Japan
継続期間: 2018 9月 302018 10月 3

Conference

Conference31st International Electric Vehicle Symposium and Exhibition, EVS 2018 and International Electric Vehicle Technology Conference 2018, EVTeC 2018
国/地域Japan
CityKobe City
Period18/9/3018/10/3

ASJC Scopus subject areas

  • 燃料技術
  • 自動車工学
  • 電子工学および電気工学

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