集束イオンビーム飛行時間型二次イオン質量分析計(FIB-TOF-SIMS)によるコバルト酸リチウムと酸化コバルトのスペクトル比較
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概要
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Lithium ion batteries will be important to the future generations for use as clean energy-storage devices. However, the surface chemical reaction mechanism of the electrode has not been revealed to date. In case of Li-ion batteries, CoO and/or Co3O4 are considered as the degradation materials in LiCoO2 cathode. In order to estimate the chemical state of cathode material, the comparison of secondary ion spectrum of LiCoO2, CoO and Co3O4 were made. In this study, secondary ion analyses of cobalt compounds were performed using a laboratory-made TOF-SIMS apparatus.
著者
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坂本 哲夫
Kogakuin University
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野木 栄信
Mitsui Chemicals, Inc.
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松岡 修
Mitsui Chemicals, Inc.
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大西 美和
Kogakuin University