N-Phenyl naphthalene diimide pendant polymer as a charge storage material with high rate capability and cyclability

Subashani Maniam, Kouki Oka, Hiroyuki Nishide

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Pendent-Type polymers are attractive materials which allow the flexibility to introduce various redox active moieties that facilitate rapid ion/electron transport and enable charge storage. Here, we demonstrate naphthalene diimide polymers with polynorbornene backbone having N-phenyl, PNAn 5 and N-(4-nitrophenyl), PNNO 6. Small changes in the molecular design have led to a significant difference in bulk material and device properties. PNNO 6 maintained 80% of its capacity at 1C after 10 cycles in a Li-ion coin cell. PNAn 5 displayed exceptionally high charge capacity and rate capability with excellent cyclability, maintaining almost its theoretical capacity at various C-rates throughout 500 cycles.

Original languageEnglish
Pages (from-to)967-973
Number of pages7
JournalMRS Communications
Volume7
Issue number4
DOIs
Publication statusPublished - 2017 Dec 1

ASJC Scopus subject areas

  • Materials Science(all)

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