Metallopolyyne polymers with ferrocenyl pendant ligands as cathode-active materials for organic battery application

Zhengong Meng, Kan Sato, Takashi Sukegawa, Kenichi Oyaizu*, Cheuk Lam HO, Jing Xiang, Ying Hsuan Feng, Yih Hsing Lo, Hiroyuki Nishide, Wai Yeung WONG

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Two bis(acetylide)-functionalized platinum(II) polymers containing ferrocenyl pendant ligands, trans-[{-Pt(PBun3)2-C≡CRC≡C-}n P1 (R = 9-ferrocenylmethylene-2,7-diethynylfluorene) and P2 (R = ferrocenylmethylene-2,5-diethynylbenzene), were prepared in good yields and were characterized by NMR spectroscopy and GPC. Electrochemical characteristics with copolymers P1 and P2 as the cathode active materials for rechargeable lithium batteries showed chemical and electrochemical reversibility. The thin layer polymer electrodes of P1 and P2 exhibited reversible redox peaks at the potentials of 0.54 and 0.64 V (vs. Ag/AgCl), respectively. The P1 or P2/carbon composites are also used as cathode-active materials to enhance the conductivity and durability. The electrodes exhibited good cycle life of over 50 charging/discharging cycles and no reversible n-type redox abilities seemed to be available.

Original languageEnglish
Pages (from-to)51-55
Number of pages5
JournalJournal of Organometallic Chemistry
Volume812
DOIs
Publication statusPublished - 15 Jun 2016

Scopus Subject Areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

User-Defined Keywords

  • Acetylenic polymers
  • Charging/discharging
  • Ferrocenyl
  • Platinum
  • Reversible redox

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