A thermoresponsive electrolyte additive for high-energy, long-cycling, and safe lithium batteries

Yong Zeng

doi:10.1016/j.joule.2025.102100

A thermoresponsive electrolyte additive for high-energy, long-cycling, and safe lithium batteries

2025-08-25

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DOI：10.1016/j.joule.2025.102100

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• A thermoresponsive additive (mCF3-BA) is developed for high-energy lithium batteries • mCF3-BA improves cycling stability at normal operation by forming robust SEI/CEI layers • When hot-abused, mCF3-BA polymerizes into an insulating thermoset resin rapidly • The threshold temperature of thermal runaway is raised to over 180°C

Keywords:

thermoresponsive additive

lithium batteries

SEI/CEI layers

thermal runaway

polymerization

A thermoresponsive electrolyte additive for high-energy, long-cycling, and safe lithium batteries

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