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This research aims to develop a functional separator for lithium-metal batteries with improved electrochemical and thermal properties.

Enhanced electrochemical properties and thermal stability of poled-BaTiO3/lithiated sulfonated poly(ether ether ketone) coated separator for stable lithium-metal batteries

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Functional separator improved electrochemical properties of lithium-metal batteries, indicating enhanced thermal stability and performance.

This research aims to develop a functional separator for lithium-metal batteries with improved electrochemical and thermal properties.
Coated polyethylene substrate with lithiated sulfonated poly(ether ether ketone) and polarized BaTiO3 nanoparticles
Measured lithium-ion transference number and analyzed electrolyte wettability and thermal stability
Evaluated cycling performance in NCM811/Li cells and symmetric Li/Li cells
Achieved a lithium-ion transference number of 0.66
Demonstrated 56.4% capacity retention after 200 cycles at 1C
Maintained stable operation after thermal shock at 120 °C

Park et al. (2026) studied this question.

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Functional separator improved electrochemical properties of lithium-metal batteries, indicating enhanced thermal stability and performance.