journal article·2023-07

Rationalized Electroepitaxy toward Scalable Single‐Crystal Zn Anodes

Yiwen Su, Buhang Chen, Yingjie Sun, Zaikun Xue, Yuhan Zou, Dongzi Yang, Luzhao Sun, Xianzhong Yang, Chao Li, Yujia Yang, Xiuju Song, Wenyi Guo, Shixue Dou, Dongliang Chao, Zhongfan Liu, Jingyu Sun

Advanced Materials· Volume 35· Issue 28
Publisher page

Abstract

Abstract Electroepitaxy is recognized as an effective approach to prepare metal electrodes with nearly complete reversibility. Nevertheless, large‐scale manipulation is still not attainable owing to complicated interfacial chemistry. Here, the feasibility of extending Zn electroepitaxy toward the bulk phase over a mass‐produced mono‐oriented Cu(111) foil is demonstrated. Interfacial Cu–Zn alloy and turbulent electroosmosis are circumvented by adopting a potentiostatic electrodeposition protocol. The as‐prepared Zn single‐crystalline anode enables stable cycling of symmetric cells at a stringent current density of 50.0 mA cm−2. The assembled full cell further sustaines a capacity retention of 95.7% at 5.0 A g−1 for 1500 cycles, accompanied by a controllably low N/P ratio of 7.5. In addition to Zn, Ni electroepitaxy can be realized by using the same approach. This study may inspire rational exploration of the design of high‐end metal electrodes.
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Research context

OpenAlex topics: Advanced battery technologies research · Supercapacitor Materials and Fabrication · Conducting polymers and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Energy Soochow Institute for Energy and Materials Innovations Light Industry Institute of Electrochemical Power Sources Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow University Suzhou 215006 P. R. China

Beijing Graphene Institute Beijing 100095 P. R. China

Key Laboratory of Photoelectric Control on Surface and Interface of Hebei Province College of Science Hebei University of Science and Technology Shijiazhuang 050018 P. R. China

School of Materials Science and Engineering Shandong University of Technology Zibo 255049 P. R. China

Department of Chemistry University of Manchester Manchester M13 9PL UK

Institute of Energy Materials Science University of Shanghai for Science and Technology Shanghai 200093 P. R. China

Laboratory of Advanced Materials Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials and School of Chemistry and Materials Fudan University Shanghai 200433 P. R. China

Funding

National Natural Science Foundation of China

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