Synthesis and Charge-Discharge Properties of Organometallic Copolymers of Ferrocene and Triphenylamine as Cathode Active Materials for Organic-Battery Applications

Jing Xiang, Kan Hatakeyama, Hiroshi Tokue, Kenichi Oyaizu, Cheuk Lam Ho, Hiroyuki Nishide, Wai Yeung Wong, Mingdeng Wei

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    Two new organometallic copolymers (PVFVM1 and PVFVM1-1) bearing different molar ratios of ferrocene and triphenylamine pendants were successfully designed and synthesized as cathode active materials for organic-battery applications. Their structural and thermal characteristics were determined by 1H NMR spectroscopy, Fourier transform infrared (FTIR) spectroscopy, size exclusion chromatography (SEC), and thermogravimetric analysis (TGA). Cyclic voltammograms of the as-prepared polymers show that the electrochemical reactions of the ferrocene and triphenylamine moieties are reversible after the first cycle. A composite electrode based on copolymer PVFVM1 exhibits an initial specific discharge capacity of 102 mA h g-1, which corresponds to 98 % of its theoretical capacity (104 mA h g-1). The cycle endurances for both polymers have been evaluated for over 50 cycles. Our results show that both copolymers are good candidates as a new class of cathode active materials and charge-storage materials for rechargeable batteries.

    Original languageEnglish
    Pages (from-to)1030-1035
    Number of pages6
    JournalEuropean Journal of Inorganic Chemistry
    Volume2016
    Issue number7
    DOIs
    Publication statusPublished - 2016 Mar 1

    Fingerprint

    Organometallics
    Cathodes
    Copolymers
    Polymers
    Bearings (structural)
    Secondary batteries
    Size exclusion chromatography
    Nuclear magnetic resonance spectroscopy
    Thermogravimetric analysis
    Durability
    Electrodes
    Composite materials
    ferrocene

    Keywords

    • Amines
    • Batteries
    • Cathode materials
    • Copolymerization
    • Redox chemistry
    • Sandwich complexes

    ASJC Scopus subject areas

    • Inorganic Chemistry

    Cite this

    Synthesis and Charge-Discharge Properties of Organometallic Copolymers of Ferrocene and Triphenylamine as Cathode Active Materials for Organic-Battery Applications. / Xiang, Jing; Hatakeyama, Kan; Tokue, Hiroshi; Oyaizu, Kenichi; Ho, Cheuk Lam; Nishide, Hiroyuki; Wong, Wai Yeung; Wei, Mingdeng.

    In: European Journal of Inorganic Chemistry, Vol. 2016, No. 7, 01.03.2016, p. 1030-1035.

    Research output: Contribution to journalArticle

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    abstract = "Two new organometallic copolymers (PVFVM1 and PVFVM1-1) bearing different molar ratios of ferrocene and triphenylamine pendants were successfully designed and synthesized as cathode active materials for organic-battery applications. Their structural and thermal characteristics were determined by 1H NMR spectroscopy, Fourier transform infrared (FTIR) spectroscopy, size exclusion chromatography (SEC), and thermogravimetric analysis (TGA). Cyclic voltammograms of the as-prepared polymers show that the electrochemical reactions of the ferrocene and triphenylamine moieties are reversible after the first cycle. A composite electrode based on copolymer PVFVM1 exhibits an initial specific discharge capacity of 102 mA h g-1, which corresponds to 98 {\%} of its theoretical capacity (104 mA h g-1). The cycle endurances for both polymers have been evaluated for over 50 cycles. Our results show that both copolymers are good candidates as a new class of cathode active materials and charge-storage materials for rechargeable batteries.",
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    AU - Oyaizu, Kenichi

    AU - Ho, Cheuk Lam

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