Degradation mechanism of LiCoO2 under float charge conditions and high temperatures
Hirooka, Motoyuki, Sekiya, Tomohito, Omomo, Yoshitomo, Yamada, Masayuki, Katayama, Hideaki, Okumura, Takefumi, Yamada, Yusuke, Ariyoshi, Kingo
Published in Electrochimica acta (10.10.2019)
Published in Electrochimica acta (10.10.2019)
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Journal Article
Analysis of Solid-Electrolyte Interphase at the Interface between a Graphite Negative Electrode and a Diluted Solvate Ionic Liquid-Based Quasi-Solid-State Electrolyte
Kawaji, Jun, Unemoto, Atsushi, Hirano, Tatsumi, Takamatsu, Daiko, Seki, Eiji, Morishima, Makoto, Okumura, Takefumi
Published in Journal of the Electrochemical Society (05.11.2020)
Published in Journal of the Electrochemical Society (05.11.2020)
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Journal Article
High Rate Capability of All-Solid-State Lithium Batteries Using Quasi-Solid-State Electrolytes Containing Ionic Liquids
Nishio, Kazunori, Gambe, Yoshiyuki, Kawaji, Jun, Unemoto, Atsushi, Okumura, Takefumi, Honma, Itaru
Published in Journal of the Electrochemical Society (17.02.2020)
Published in Journal of the Electrochemical Society (17.02.2020)
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Journal Article
Analysis of Electrochemical Reaction in Positive and Negative Electrodes during Capacity Recovery of Lithium Ion Battery Employing Recovery Electrodes
ITO, Shota, HONKURA, Kohei, SEKI, Eiji, SUGIMASA, Masatoshi, KAWAJI, Jun, OKUMURA, Takefumi
Published in Denki kagaku oyobi kōgyō butsuri kagaku (05.03.2021)
Published in Denki kagaku oyobi kōgyō butsuri kagaku (05.03.2021)
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Journal Article
Electrochemical reaction mechanisms under various charge-discharge operating conditions for Li1.2Ni0.13Mn0.54Co0.13O2 in a lithium-ion battery
Konishi, Hiroaki, Hirano, Tatsumi, Takamatsu, Daiko, Gunji, Akira, Feng, Xiaoliang, Furutsuki, Sho, Okumura, Takefumi, Terada, Shohei, Tamura, Kazuhisa
Published in Journal of solid state chemistry (01.06.2018)
Published in Journal of solid state chemistry (01.06.2018)
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Journal Article
Lithium ion conductive polymer electrolyte by side group rotation
Sato, Akira, Okumura, Takefumi, Nishimura, Shin, Yamamoto, Hitoshi, Ueyama, Norikazu
Published in Journal of power sources (26.08.2005)
Published in Journal of power sources (26.08.2005)
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Conference Proceeding
Microstructure analysis of Si/graphite composite anode during charge-discharge cycle for lithium-ion battery with tetraglyme- and sulfolane-based less volatile electrolyte
Kawaji, Jun, Morishima, Makoto, Hirooka, Motoyuki, Okumura, Takefumi
Published in Electrochimica acta (10.04.2023)
Published in Electrochimica acta (10.04.2023)
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Journal Article
Improvement of float charge durability for LiCoO2 electrodes under high voltage and storage temperature by suppressing O1-Phase transition
Hirooka, Motoyuki, Sekiya, Tomohito, Omomo, Yoshitomo, Yamada, Masayuki, Katayama, Hideaki, Okumura, Takefumi, Yamada, Yusuke, Ariyoshi, Kingo
Published in Journal of power sources (01.07.2020)
Published in Journal of power sources (01.07.2020)
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Journal Article
Suppression of irreversible capacity for Li1.16Ni0.37Mn0.47O2 due to the chemical treatment with (NH4)2SO4 in lithium ion batteries
Konishi, Hiroaki, Terada, Shohei, Okumura, Takefumi
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (15.12.2019)
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (15.12.2019)
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Journal Article
X-ray absorption fine structure analysis for crystal structure change of vanadium-substituted lithium silicate, Li2.2Fe0.4Mn0.4Si0.8V0.2O4, during charge-discharge cycles
Toyama, Tatsuya, Hirano, Tatsumi, Okumura, Takefumi, Horiba, Tatsuo
Published in Journal of power sources (15.12.2019)
Published in Journal of power sources (15.12.2019)
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