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

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

Research output: Journal article publicationJournal articleAcademic researchpeer-review

21 Citations (Scopus)

Abstract

KGaA. 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 by1H 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 - 1 Mar 2016
Externally publishedYes

Keywords

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

ASJC Scopus subject areas

  • Inorganic Chemistry

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