New Naphthalene-Based Polyimide as an Environment-Friendly Organic Cathode Material for Lithium Batteries

Alexander V. Mumyatov, Alexander F. Shestakov, Nadezhda N. Dremova, Keith J. Stevenson, Pavel A. Troshin

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Organic carbonyl electrode materials have attracted considerable attention as high-energy density electrode materials for environment-friendly metal-ion batteries comprising no heavy metals. The synthesis and investigation of a new electroactive carbonyl-based polymer compound poly(naphthalene diimide-alt-benzoquinone) (NDI-BQ) derived from 1,4,5,8-naphthalenetetracarboxylic dianhydride and 2,5-diaminobenzoquinone are reported. The best NDI-BQ//Li cells deliver practical capacity of 168 mAh g −1 , which is higher than the generally achieved capacity for the most common inorganic materials such as LiFePO 4 or LiCoO 2 . Considering the fact that practical capacity represents just ≈50% of the theoretical value for NDI-BQ, there is a considerable potential for further improvements via multiparametric optimization of the cathode composition, morphology, and deposition technology.

Original languageEnglish
Article number1801016
JournalEnergy Technology
Volume7
Issue number5
DOIs
Publication statusPublished - Apr 2019

Keywords

  • Li-ion batteries
  • organic cathode materials
  • polyimides

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