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Sodium-metal batteries

Diluting with salts

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Non-flammable electrolytes are essential for ensuring the safe operation of sodium-metal batteries; however, challenges arise in applications due to limited stability between the electrolytes and electrodes. Now, an electrolyte engineering approach using salts as a diluent is proposed to achieve both high interfacial stability and improved safety.

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Fig. 1: The solvation structures of various kinds of sodium electrolytes.

References

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Authors and Affiliations

  1. Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, China

    Heng Zhang

  2. Centre for Cooperative Research on Alternative Energies (CIC energiGUNE), Basque Research and Technology Alliance (BRTA), Vitoria-Gasteiz, Spain

    Michel Armand

Authors
  1. Heng Zhang
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  2. Michel Armand
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Correspondence to Heng Zhang or Michel Armand.

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The authors declare no competing interests.

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Zhang, H., Armand, M. Diluting with salts. Nat Energy 9, 365–366 (2024). https://doi.org/10.1038/s41560-024-01467-0

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