| CPC H01M 10/0565 (2013.01) [H01M 4/381 (2013.01); H01M 4/623 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0034 (2013.01)] | 3 Claims |
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1. An electrolytic solution for an alkali metal secondary battery comprising an acrylate represented by the following general formula (1):
![]() wherein X is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a CFX1X2 group (wherein X1 and X2 are the same as or different from each other and are each a hydrogen atom, a fluorine atom, or a chlorine atom), a cyano group, a linear or branched fluoroalkyl group having 1 to 21 carbon atoms, a substituted or unsubstituted benzyl group, a substituted or unsubstituted phenyl group, or a linear or branched alkyl group having 1 to 20 carbon atoms, Y is a direct bond, a hydrocarbon group having 1 to 10 carbon atoms and optionally having an oxygen atom or a sulfur atom, a —CH2CH2N(R1)SO2— group (wherein R1 is an alkyl group having 1 to 4 carbon atoms), a —CH2CH(OY1)CH2— group (wherein Y1 is a hydrogen atom or an acetyl group), or a —(CH2)nSO2— group (n is 1 to 10), and Rf is a linear or branched perfluoroalkyl group having 4 to 6 carbon atoms.
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