US 12,278,336 B2
Alkali metal electrode treatment agent, electrolytic solution for alkali metal secondary battery, alkali metal electrode, alkali metal secondary battery, and module
Shigeaki Yamazaki, Osaka (JP); and Yoshiko Kuwajima, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Appl. No. 17/631,084
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
PCT Filed Jun. 30, 2020, PCT No. PCT/JP2020/025642
§ 371(c)(1), (2) Date Jan. 28, 2022,
PCT Pub. No. WO2021/020005, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-141701 (JP), filed on Jul. 31, 2019.
Prior Publication US 2022/0311050 A1, Sep. 29, 2022
Int. Cl. H01M 10/0565 (2010.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01)
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
 
1. An electrolytic solution for an alkali metal secondary battery comprising an acrylate represented by the following general formula (1):

OG Complex Work Unit Chemistry
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.