What question did this study set out to answer?

Evaluate the fundamental thermal transport mechanisms and conductivities of inorganic solid electrolytes to inform thermal management strategies for all-solid-state batteries.

September 1, 2026Applied Physics Reviews

Thermal transport mechanisms in electrolytes for all-solid-state batteries

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Authors

YWY. X. WangUniversity of California, Riverside HWHanding WangUniversity of California, Riverside XCXi ChenUniversity of California, Riverside

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Implication

Review reveals mechanisms driving low thermal conductivity across inorganic solid electrolytes, indicating critical considerations for solid-state battery thermal management.

Key Points

Evaluate the fundamental thermal transport mechanisms and conductivities of inorganic solid electrolytes to inform thermal management strategies for all-solid-state batteries.
Synthesized experimental measurements and theoretical modeling across primary inorganic solid electrolyte families, including oxides, sulfides, and halides.
Analyzed the contribution of intrinsic phonon dynamics, lattice properties, and extrinsic structural defects to heat dissipation.
Inorganic solid electrolytes display characteristically low, glass-like thermal conductivities across oxide, sulfide, and halide classes.
Intrinsically low thermal transport is primarily driven by liquid-like phonon dynamics, strong lattice anharmonicity, complex phonon dispersions, and diffuson-mediated transport.
Extrinsic features including site disorder, porosity, composite architectures, and aging-induced phase transitions significantly modulate thermal transport alongside ionic conduction.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a9bdbf4c4ca1e4d5c68eb6a https://doi.org/10.1063/5.0318328

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Implication

Review reveals mechanisms driving low thermal conductivity across inorganic solid electrolytes, indicating critical considerations for solid-state battery thermal management.

Thermal transport mechanisms in electrolytes for all-solid-state batteries

Discussion

Member takes

Implication

Key Points

Cite This Study

Thermal transport mechanisms in electrolytes for all-solid-state batteries

Discussion

Member takes

Implication

Key Points

Cite This Study

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