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Experimental study demonstrates high capacity retention in low-temperature sodium metal batteries, highlighting a pathway for designing cold-resilient electrolyte systems.
at -40 °C, which is 87.6% of that at room temperature, as well as stable cycling for 3400 cycles with capacity retention of 98.2% at -20 °C and 5 C and 600 cycles with capacity retention of 96.1% at -40 °C and 1 C. This study provides a new perspective on designing LT electrolytes by regulating temperature-robust solvation structures.
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Huang et al. (2025) studied this question.
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