Thermal properties of Na2CO3–NaCl–KCl ternary eutectic salt for high-temperature thermal energy storage: Experimental and deep potential molecular dynamics combined

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Experimental and molecular dynamics analysis reveals reliable thermal properties in molten salt systems, suggesting efficient storage solutions.

The ternary eutectic salt shows excellent heat storage capacity, with specific heat capacity measured at 1.268 J/(g K).
Experimental results indicate that the melting point of the salt system is 852.65 K, ensuring effective high-temperature storage.
Using deep potential molecular dynamics, density values were optimized to reveal a maximum deviation of only 2.68% from experimental data.
This work emphasizes the accuracy of DP models in predicting thermal properties, providing insights for future material design in energy storage.

Tian et al. (2025) studied this question.

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Experimental and molecular dynamics analysis reveals reliable thermal properties in molten salt systems, suggesting efficient storage solutions.