Ordered planar plating/stripping enables deep cycling zinc metal batteries

Author:

Chen Shuang12ORCID,Xia Yufan12ORCID,Zeng Ran23,Luo Zhen12ORCID,Wu Xingxing2,Hu Xuzhi4ORCID,Lu Jian4ORCID,Gazit Ehud256ORCID,Pan Hongge17ORCID,Hong Zijian1ORCID,Yan Mi18ORCID,Tao Kai23ORCID,Jiang Yinzhu128ORCID

Affiliation:

1. State Key Laboratory of Silicon and Advanced Semiconductor Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.

2. Future Science Research Institute, Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311215, China.

3. State Key Laboratory of Fluid Power and Mechatronic Systems, Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China.

4. Biological Physics Laboratory, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester M13 9PL, UK.

5. The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, 6997801, Tel Aviv, Israel.

6. Department of Materials Science and Engineering, Iby and Aladar Fleischman, Tel Aviv University, 6997801 Tel Aviv, Israel.

7. Institute of Science and Technology for New Energy, Xi'an Technological University, Xi'an 710021, China.

8. State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization, Baotou Research Institute of Rare Earths, Baotou 014030 China.

Abstract

Metal anodes are emerging as culminating solutions for the development of energy-dense batteries in either aprotic, aqueous, or solid battery configurations. However, unlike traditional intercalation electrodes, the low utilization of “hostless” metal anodes due to the intrinsically disordered plating/stripping impedes their practical applications. Herein, we report ordered planar plating/stripping in a bulk zinc (Zn) anode to achieve an extremely high depth of discharge exceeding 90% with negligible thickness fluctuation and long-term stable cycling. The Zn can be plated/stripped with (0001) Zn preferential orientation throughout the consecutive charge/discharge process, assisted by a self-assembled supramolecular bilayer at the Zn anode-electrolyte interface. Through real-time tracking of the Zn atoms migration, we reveal that the ordered planar plating/stripping is driven by the construction of in-plane Zn─N bindings and the gradient energy landscape at the reaction fronts. The breakthrough results provide alternative insights into the ordered plating/stripping of metal anodes toward rechargeable energy-dense batteries.

Publisher

American Association for the Advancement of Science (AAAS)

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