A lithium secondary battery using a thin film of polymer electrolyte as a separator

Tomoyuki Ohta, Shinji Takeoka, Eishun Tsuchida, Han Yu Feng, Zheng Sheng Fu, Yun Pu Wang

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    Ion‐conductive polymer which shows an ionic conductivity (σi) of 1.4 × 10−4S/cm at 25°C when mixed with LiClO4 (molar ratio in Li/OE = 0.05) was used as a separator of electrodes in a lithium secondary battery. The effect of high ionic conductivity on the performance of the battery was studied. The polymer structure was $$ \left[ {\rm H}\rlap{-} ({\rm CH}_2 {\rm CHR}\rlap{-} )_{\rm n} {\rm H},{\rm R} = - {\rm CH}_2 ({\rm OCH}_{\rm 2} {\rm CH}_{\rm 2} )_6 {\rm OCH}_3 \right],$$ and the cathode was comprised of poly(1,3,4‐thiadiazole disulfide), graphite powder and the polymer electrolyte. The cell [(−)Li/polymer electrolyte/graphite–poly(disulfide) (+)] had an open circuit voltage (Voc) of 3.25 V, a plateau voltage of 2.75 V, a discharge density (id) of 0.05 mA/cm2 with the cathode utilization of 63%, and achieved over several tens of cycles at 25°C.

    Original languageEnglish
    Pages (from-to)433-436
    Number of pages4
    JournalPolymers for Advanced Technologies
    Volume3
    Issue number8
    DOIs
    Publication statusPublished - 1992

    Fingerprint

    Secondary batteries
    Separators
    Lithium
    Electrolytes
    Polymers
    Thin films
    Ionic conductivity
    Disulfides
    Cathodes
    Graphite
    Open circuit voltage
    Powders
    Electrodes
    Electric potential

    Keywords

    • Graphite–poly(disulfide)
    • Ionic conductivity
    • Ion‐conductive polymer
    • Lithium secondary battery
    • Poly(oxyethylene)

    ASJC Scopus subject areas

    • Polymers and Plastics

    Cite this

    A lithium secondary battery using a thin film of polymer electrolyte as a separator. / Ohta, Tomoyuki; Takeoka, Shinji; Tsuchida, Eishun; Feng, Han Yu; Fu, Zheng Sheng; Wang, Yun Pu.

    In: Polymers for Advanced Technologies, Vol. 3, No. 8, 1992, p. 433-436.

    Research output: Contribution to journalArticle

    Ohta, Tomoyuki ; Takeoka, Shinji ; Tsuchida, Eishun ; Feng, Han Yu ; Fu, Zheng Sheng ; Wang, Yun Pu. / A lithium secondary battery using a thin film of polymer electrolyte as a separator. In: Polymers for Advanced Technologies. 1992 ; Vol. 3, No. 8. pp. 433-436.
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    AU - Wang, Yun Pu

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