Volume 137, Issue 8 e202500499
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Titelbild: Interdependence of Support Wettability - Electrodeposition Rate- Sodium Metal Anode and SEI Microstructure (Angew. Chem. 8/2025)

Chang-An Lo

Chang-An Lo

Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794 USA

These authors contributed equally to this work.

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Yixian Wang

Yixian Wang

Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712 USA

These authors contributed equally to this work.

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Varun R. Kankanallu

Varun R. Kankanallu

Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794 USA

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Aditya Singla

Aditya Singla

School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907 USA

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Dean Yen

Dean Yen

Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794 USA

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Xiaoyin Zheng

Xiaoyin Zheng

Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794 USA

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Kaustubh G. Naik

Kaustubh G. Naik

School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907 USA

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Bairav S. Vishnugopi

Bairav S. Vishnugopi

School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907 USA

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Callum Campbell

Callum Campbell

Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712 USA

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Vikalp Raj

Vikalp Raj

Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712 USA

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Chonghang Zhao

Chonghang Zhao

Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794 USA

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Lu Ma

Lu Ma

National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973 USA

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Jianming Bai

Jianming Bai

National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973 USA

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Feipeng Yang

Feipeng Yang

National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973 USA

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Ruipeng Li

Ruipeng Li

National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973 USA

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Mingyuan Ge

Mingyuan Ge

National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973 USA

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John Watt

John Watt

Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM, 87545 USA

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Partha P. Mukherjee

Partha P. Mukherjee

School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907 USA

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David Mitlin

Corresponding Author

David Mitlin

Materials Science and Engineering Program & Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712 USA

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Yu-chen Karen Chen-Wiegart

Corresponding Author

Yu-chen Karen Chen-Wiegart

Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY, 11794 USA

National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, 11973 USA

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First published: 16 January 2025

Graphical Abstract

Electrodeposition of sodium metal in an anode-free battery can be dendritic. The tree at the center of the cover image represents a single crystalline dendrite, branched and complex in its morphology, originating at the support and growing towards the cathode. Its multicolor leaves are the solid electrolyte interphase (SEI) that cover the metal surface. The SEI is a complex mosaic containing crystalline sodium fluoride, sodium hydride and sodium hydroxide, as well as organic constituents. Details of this study are reported by David Mitlin, Yu-chen Karen Chen-Wiegart et al. in their Research Article (e202412550).

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