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Issue 6, 2018

Hexaazatriphenylene derivatives/GO composites as organic cathodes for lithium ion batteries

Author affiliations

Abstract

Redox active organic molecules as cathode materials for lithium ion batteries are promising. However, these compounds are plagued by their high solubilities in electrolyte solution, leading to capacity decay and a short cycling life. Herein, we report nano-composites of hexaazatriphenylene (HAT) derivatives and graphene oxide (GO) (hexaazatrinaphthalene (HATN)/GO and hexaazatrinaphthalene tricarboxylic acid (HATNTA)/GO) as cathode materials for lithium ion batteries. HAT derivatives demonstrate strong π–π and H-bond interactions with GO, which remarkably suppress their dissolution in electrolyte, leading to significant improvement of their electrochemical performance.

Graphical abstract: Hexaazatriphenylene derivatives/GO composites as organic cathodes for lithium ion batteries

Supplementary files

Article information


Submitted
21 Nov 2017
Accepted
11 Jan 2018
First published
11 Jan 2018

J. Mater. Chem. A, 2018,6, 2752-2757
Article type
Paper

Hexaazatriphenylene derivatives/GO composites as organic cathodes for lithium ion batteries

J. Wang, K. Tee, Y. Lee, S. N. Riduan and Y. Zhang, J. Mater. Chem. A, 2018, 6, 2752 DOI: 10.1039/C7TA10232A

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