FLUORINATED CARBONYL COMPOUNDS COMPRISING A TRIPLE BOND, METHODS FOR THEIR MANUFACTURE AND USES THEREOF

摘要

Fluorinated carbonyl compounds comprising a triple bond were prepared and their use as solvent additives or solvents in lithium ion batteries, lithium air batteries, lithium sulphur batteries and supercapacitors is described. Preferred compounds contain at least one nitrile or at least one alkynyl group.

主权项

1. A compound of general formula (I),
R1—Y—C(O)—Z—R2 wherein Y and Z independently are O, S or NR3; and wherein R3 is H or R4; and wherein R1, R2 and R4 independently are a branched or unbranched alkyl group, a branched or unbranched alkenyl group, an aryl group, or an alkylene-aryl group, or wherein R1 and R2 together represent an alkylene group, and wherein at least one of the groups R1 and R2 is substituted by at least one fluorine atom and at least one of the groups R1 and R2 comprises at least one triple bond-containing group.