Measurement of Li-ion Battery Degradation Behavior
Measurement of Li-ion Battery Degradation Behavior
カテゴリ: 部門大会
論文No: SS5-3
グループ名: 【C】平成27年電気学会電子・情報・システム部門大会講演論文集
発行日: 2015/08/27
タイトル(英語): Measurement of Li-ion Battery Degradation Behavior
著者名: Ryouhei Fujimoto(Seikei University),Seiichi Suzuki(Seikei University)
著者名(英語): Fujimoto Ryouhei(Seikei University),Suzuki Seiichi(Seikei University)
キーワード: リチウムイオン電池|劣化|Li-ion battery|degradation
要約(日本語): Li-ion battery is expected to support the effective utility of electric energy in coming soft energy pass society. However degradation of the battery may lead to self ignition. To avoid such risks, understanding of degradation mechanism is of large importace. In this study, degradation behaviour of Li-ion battery was measured by V-C characteristics for different voltage scan ranges. With investigation of chemical composition and X ray diffraction analysis, degradation is associated with production of diethylfluorophosphate in electrolyte and lattice constant increase of LiCoO2 electrode.
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