m-Phenylenediamine as a Building Block for Polyimide Battery Cathode Materials

Roman R. Kapaev, Alexey G. Scherbakov, Alexander F. Shestakov, Keith J. Stevenson, Pavel A. Troshin

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

Organic compounds have recently gained significant attention as materials for the next generation of sustainable energy storage devices. Polyimides are one of the most attractive types of organic battery cathode materials, especially if they are produced from easily accessible, inexpensive reagents. However, these polymers are still at the early stage of development for rechargeable metal-ion batteries. Particularly, the scope of amine building blocks that were used for the polyimide synthesis remains scarce. In this study, we propose m-phenylenediamine as a building block for polyimide-based cathode materials. We report the electrochemical properties of polyimides obtained from 1,4,5,8-naphthalenetetracarboxylic dianhydride (NTCDA) and m- or p-phenylenediamines for lithium-, sodium-, and potassium-ion batteries; and show that the m-polyimide has several advantages over the p-isomer. It has larger capacities and superior high-rate capabilities, owing to a higher specific surface area and smaller particle size. In sodium- and potassium-based batteries, the redox potentials of the m-isomer are higher because of the spatial arrangement of adjacent imide units, which makes chelation of metal cations more energetically favorable. These results provide an impetus for designing new polyimide-based battery materials with higher energy density and fast charge-discharge kinetics.

Original languageEnglish
Pages (from-to)4465-4472
Number of pages8
JournalACS Applied Energy Materials
Volume4
Issue number5
DOIs
StatePublished - 24 May 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
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Funding

This study was financially supported by Russian Science Foundation (grant 16-13-00111P) at Skoltech and by Russian Ministry of Science and Education (project 0089-2019-0010/AAAA-A19-119071190044-3) at IPCP RAS. The authors thank Dr. Nadezhda Dremova (IPCP RAS, Chernogolovka) for scanning electron microscopy measurements and Dr. Sergey Vasiliev (IPCP RAS, Chernogolovka) for solid-state NMR spectra measurements.

FundersFunder number
Ministry of Education and Science of the Russian Federation0089-2019-0010/AAAA-A19-119071190044-3
Russian Science Foundation16-13-00111P

    Keywords

    • cathode materials
    • energy storage
    • lithium-ion batteries
    • organic materials
    • polyimides
    • potassium-ion batteries
    • sodium-ion batteries

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