Issue 27, 2023

Recent advances of structural/interfacial engineering for Na metal anode protection in liquid/solid-state electrolytes

Abstract

Na metal anode is one of most promising anode materials for next-generation secondary batteries. However, the practical application of Na anode is limited by dendritic growth, rapid volume change, and serious interface problems in the process of Na electroplating/stripping, resulting in low coulombic efficiency, short life, and safety issues of sodium metal batteries (SMBs). Herein, the cyclic instability mechanisms of the Na anode and the corresponding advanced protection strategies including in situ solid-electrolyte-interphase (SEI), artificial SEI, and three-dimensional conductive frame, are systematically reviewed. Notably, this review summarizes the latest research progress on interface modification and electrode modification of all-solid-state SMBs. Finally, the outlooks of anode interphase in SMBs are summarized and prospected, providing a promising way for high-energy and safe SMBs.

Graphical abstract: Recent advances of structural/interfacial engineering for Na metal anode protection in liquid/solid-state electrolytes

Article information

Article type
Review Article
Submitted
23 Mär 2023
Accepted
14 Jun 2023
First published
14 Jun 2023

Nanoscale, 2023,15, 11313-11345

Recent advances of structural/interfacial engineering for Na metal anode protection in liquid/solid-state electrolytes

Z. Yang, R. Shi, Z. Shen and Y. Zhao, Nanoscale, 2023, 15, 11313 DOI: 10.1039/D3NR01346D

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