ArticleNature communications2026
Intermolecular interactions optimization in weakly solvating ether solvents for wide-temperature Na metal batteries.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The development of wide-temperature-range batteries is essential for applications under extreme weather conditions and scientific endeavors such as deep-sea and space exploration. Sodium (Na) metal batteries offer the advantage of weak ion-solvent interactions, which promote easier desolvation at low temperatures compared with lithium batteries. Weakly solvating electrolytes can further decrease desolvation energy barriers, thereby enhancing electrochemical reversibility at low temperature. However, conventional weakly solvating solvents are highly volatile, posing safety concerns for high-temperature applications. Herein, we redesign the molecular structure of typical weakly solvating ethers to reinforce intermolecular interactions, thereby increasing their boiling points while preserving their low solvation characteristics. As a result, the Na metal batteries exhibit stable performance at current densities of at least 0.5 mA cm⁻
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