A Self‐Healing Chemistry‐Enabled Organic Cathode for Sustainable and Stable Sodium‐Ion Batteries

Author:

Huang Jinghao1,Li Shi2,Kim Eric Youngsam1,Cheng Lei3,Xu Gui-Liang4,Amine Khalil4,Wang Chunsheng5,Luo Chao16ORCID

Affiliation:

1. Department of Chemistry and Biochemistry George Mason University Fairfax VA 22030 USA

2. Material Science Division Argonne National Laboratory Lemont IL 60439 USA

3. Chemical Sciences Division Oak Ridge National Laboratory Oak Ridge TN 37831 USA

4. Chemical Sciences and Engineering Division Argonne National Laboratory Lemont IL 60439 USA

5. Department of Chemical and Biomolecular Engineering University of Maryland College Park MD 20742 USA

6. Quantum Science & Engineering Center George Mason University Fairfax VA 22030 USA

Abstract

Sodium‐on batteries (SIBs) are promising alternatives to lithium‐ion batteries (LIBs) because of the low cost, abundance, and high sustainability of sodium resources. Analogous to LIBs, the high‐capacity electrodes in SIBs always suffer from rapid capacity decay upon long‐term cycling due to the particle pulverization induced by a large volume change. Circumventing particle pulverization plays a critical role in developing high‐energy and long‐life SIBs. Herein, tetrahydroxy‐1,4‐benzoquinone disodium salt (TBDS) that can self‐heal the cracks by hydrogen bonding between hydroxyl group and carbonyl group is employed as a cathode for sustainable and stable SIBs. The self‐healing TBDS exhibits long cycle life of 1000 cycles with a high rate capability up to 2 A g−1 due to the fast Na‐ion diffusion reaction in the TBDS cathode. The intermolecular hydrogen bonding has been comprehensively characterized to understand the self‐healing mechanism. The hydrogen bonding‐enabled self‐healing organic materials are promising for developing high‐energy and long‐cycle‐life SIBs.

Funder

National Science Foundation

Basic Energy Sciences

Publisher

Wiley

Subject

General Earth and Planetary Sciences,General Environmental Science

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