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Fluoride scavengeable Sb 2 O 3 -functionalized poly(imide) separators for prolonged cycling of lithium-ion batteries.

Juhwi ParkJi Seong HeoSung Joon ParkKi Jae KimTaeeun Yim
Published in: Chemical communications (Cambridge, England) (2024)
Nanosize-controlled antimony oxides (Sb 2 O 3 ) that can effectively scavenge fluoride species in a cell are incorporated into a PI separator to regulate its porous structure. The incorporation of the Sb 2 O 3 layer onto the PI separator surface prevents the internal short circuit and efficiently removes fluoride species via chemical scavenging reactions, thereby resulting in stable cycling behaviors upon cycling.
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