Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202202380
Keywords
dendrites; electrolytes; sodium metal anodes; sodium metal batteries; solid electrolyte interphases
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Funding
- National Key Research and Development Program of China [2017YFA0206700, 2017YFA0402802]
- National Natural Science Foundation of China [51902304, 52072358]
- Anhui Provincial Natural Science Foundation [1908085ME122]
- Fundamental Research Funds for the Central Universities [Wk2060140026]
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In this review, we summarize the recent progress in sodium metal batteries (SMBs) in terms of sodium anode modification, electrolyte exploration, and cathode design, and provide an outlook for the future of practical SMBs.
Sodium metal batteries (SMBs) have been widely studied owing to their relatively high energy density and abundant resources. However, they still need systematic improvement to fulfill the harsh operating conditions for their commercialization. In this review, we summarize the recent progress in SMBs in terms of sodium anode modification, electrolyte exploration, and cathode design. Firstly, we give an overview of the current challenges facing Na metal anodes and the corresponding solutions. Then, the traditional liquid electrolytes and the prospective solid electrolytes for SMBs are summarized. In addition, insertion- and conversion-type cathode materials are introduced. Finally, an outlook for the future of practical SMBs is provided.
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