Delocalized Electron Engineering of MXene-Immobilized Atomic Catalysts toward Fast Desolvation and Dendritic Inhibition for Low-Temperature Zn Metal Batteries
Rechargeable low-temperature aqueous zinc metal batteries (LT-AZMBs) are considered as a competitive candidate for next-generation energy storage systems owing to increased safety and low cost. Unfortunately, sluggish desolvation kinetics of hydrated [Zn(H<sub>2</sub>O)<sub><i>x</i></sub>]<sup>2+</sup> and inhomogeneous ion flux cause detrimental hydrogen evolution reactions (HER) and Zn dendrite growth. Herein, the atomic iron well-implanted onto MXene via defect capture (SAFe@MXene) has been initially proposed to modulate Zn plating. The SAFe@MXene serves as kinetic promoters to enhance interfacial desolvation of [Zn(H<sub>2</sub>O)<sub><i>x</i></sub>]<sup>2+</sup> to prevent HER and uniformizes Zn<sup>2+</sup> flux for smooth deposition, as confirmed by theoretical simulation, Raman and electrochemical tests. Consequently, under 0 °C, the SAFe@MXene-modulated Zn electrodes deliver long-term stability of 800 h with lower overpotentials even at 5 mA cm<sup>-2</sup> or higher plating/stripping capacity. The full cell with a MnO<sub>2</sub> cathode stabilizes a high capacity-retention of nearly 100% after 1000 cycles at 1 A g<sup>-1</sup>, suggesting great promise for high-performance LT-AZMBs.
Authors
- Xiaomin Cheng (ORCID: https://orcid.org/0000-0002-5057-9001)
- Bo Deng (ORCID: https://orcid.org/0000-0002-7717-8865)
- Meinan Liu (ORCID: https://orcid.org/0000-0003-2552-1091)
- Hongzhen Lin (ORCID: https://orcid.org/0000-0001-8764-1246)
- Chenxiao Han
- Qinghua Guan
- Yongzheng Zhang (ORCID: https://orcid.org/0000-0003-3889-1710)
- Lujie Jia (ORCID: https://orcid.org/0000-0003-0647-7099)
- Lu Pan
- Jing Zhang (ORCID: https://orcid.org/0000-0002-8200-5117)
- Na Tian (ORCID: https://orcid.org/0000-0001-6403-8946)
- Caiyin You (ORCID: https://orcid.org/0000-0001-5540-7105)
- Lei Li (ORCID: https://orcid.org/0000-0003-3142-4095)
- Jian Wang (ORCID: https://orcid.org/0000-0002-7945-0826)
- Bingbing Tang
- Jing Dong
Institutions
- Karlsruhe Institute of Technology (DE)
- East China University of Science and Technology (CN)
- Chinese Academy of Sciences (CN)
- Suzhou Institute of Nano-tech and Nano-bionics (CN)
- Xi’an University (CN)
- Helmholtz-Institute Ulm (DE)
- Xi'an University of Technology (CN)
- State Key Laboratory of Chemical Engineering (CN)
- Nanophoton (Brazil) (BR)
Publication Details
- Journal
- Nano Letters
- Published
- 2025-02-26
- DOI
- https://doi.org/10.1021/acs.nanolett.4c05503
- Citations
- 15
- Primary Topic
- Advanced battery technologies research
- Type
- article
- Field-Weighted Citation Impact
- 10.96
Funders
- Alexander von Humboldt-Stiftung
- National Natural Science Foundation of China
- China Postdoctoral Science Foundation
- Science and Technology Commission of Shanghai Municipality
- Natural Science Foundation of Jiangsu Province
- Education Department of Shaanxi Province
- National Key Research and Development Program of China
- Key Laboratory of Engineering Dielectrics and Its Application (Harbin University of Science and Technology), Ministry of Education
- Science and Technology Program of Suzhou