[EN] PROCESS FOR THE MANUFACTURE OF 1, 1'-DIFLUOROSUBSTITUTED DIALKYL CARBONATES, ISOMERS THEREOF AND ELECTROLYTE COMPOSITIONS CONTAINING THEM<br/>[FR] PROCÉDÉ POUR LA FABRICATION DE CARBONATES DE DIALKYLE 1,1'-DIFLUORO-SUBSTITUÉS ET D'ISOMÈRES DE CEUX-CI ET COMPOSITIONS D'ÉLECTROLYTE LES CONTENANT
申请人:SOLVAY
公开号:WO2013083418A1
公开(公告)日:2013-06-13
Fluoroalkyl alkyl carbonates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformiates and an aldehyde, preferably formaldehyde and acetaldehyde. 1,1'-difluoromethyl carbonate and 1,1'-difluorodiethylcarbonate are the preferred compounds prepared by the process of the present invention.
本发明提供了适用于锂离子电池中的添加剂或溶剂的氟烷基烷基碳酸酯,该酯是由氟烷基氟甲酸酯和醛(最好是甲醛和乙醛)制备而成。本发明制备的首选化合物为1,1'-二氟甲基碳酸酯和1,1'-二氟二乙基碳酸酯。