Synthesis and Exploration of Ladder-Structured Large Aromatic Dianhydrides as Organic Cathodes for Rechargeable Lithium-Ion Batteries

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

31 Scopus Citations
View graph of relations

Author(s)

  • Jian Xie
  • Wangqiao Chen
  • Zilong Wang
  • Kenneth Choo Wei Jie
  • Ming Liu

Detail(s)

Original languageEnglish
Pages (from-to)868-876
Journal / PublicationChemistry - An Asian Journal
Volume12
Issue number8
Online published21 Feb 2017
Publication statusPublished - 18 Apr 2017
Externally publishedYes

Abstract

Compared to anode materials in Li-ion batteries, the research on cathode materials is far behind, and their capacities are much smaller. Thus, in order to address these issues, we believe that organic conjugated materials could be a solution. In this study, we synthesized two non-polymeric dianhydrides with large aromatic structures: NDA-4N (naphthalenetetracarboxylic dianhydride with four nitrogen atoms) and PDA-4N (perylenetetracarboxylic dianhydride with four nitrogen atoms). Their electrochemical properties have been investigated between 2.0 and 3.9 V (vs. Li+/Li). Benefiting from multi-electron reactions, NDA-4N and PDA-4N could reversibly achieve 79.7 % and 92.3 %, respectively, of their theoretical capacity. Further cycling reveals that the organic compound with a relatively larger aromatic building block could achieve a better stability, as an obvious 36.5 % improvement of the capacity retention was obtained when the backbone was switched from naphthalene to perylene. This study proposes an opportunity to attain promising small-molecule-based cathode materials through tailoring organic structures.

Research Area(s)

  • cathode materials, lithium-ion batteries, naphthalenedianhydride, organic cathodes, perylenedianhydride

Citation Format(s)

Synthesis and Exploration of Ladder-Structured Large Aromatic Dianhydrides as Organic Cathodes for Rechargeable Lithium-Ion Batteries. / Xie, Jian; Chen, Wangqiao; Wang, Zilong; Jie, Kenneth Choo Wei; Liu, Ming; Zhang, Qichun.

In: Chemistry - An Asian Journal, Vol. 12, No. 8, 18.04.2017, p. 868-876.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review