Porous Sodium Alginate/Boehmite Coating Layer Constructed on PP Nonwoven Substrate as a Battery Separator through Polydopamine‐Induced Water‐Based Coating Method
Separator (oil production)
Boehmite
DOI:
10.1002/celc.202200818
Publication Date:
2022-10-18T01:10:58Z
AUTHORS (7)
ABSTRACT
Abstract Ceramic‐coating separator produced by aqueous slurry has drawn considerable attention because of its environmental friendliness in the development high‐power lithium ion battery (LIB). However, there are some drawbacks existed including formation compact coating layer and uneven distribution slurry. In this study, porous sodium alginate/boehmite was designed to cover on low‐cost PP nonwoven give a (abbreviated as PCS) through polydopamine‐ induced water‐based method, which nonsolvent N ‐methyl pyrrolidone (NMP) added render structures final evaporation pretreatment polydopamine substrate could help dispersed uniformly. Thoroughly investigations demonstrate can not only endow with superior cell performance but also display good thermal dimensional stability self‐extinguishing behavior. Therefore, PCS composite is low‐cost, environmentally friendly feasible meet requirements LIB.
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