US 12,249,689 B2
Electrolyte solution, electrochemical device, lithium ion secondary battery, and module
Tomoya Hidaka, Osaka (JP); Shigeaki Yamazaki, Osaka (JP); Akinori Tani, Osaka (JP); and Yoshiko Kuwajima, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed on Aug. 24, 2021, as Appl. No. 17/410,675.
Application 17/410,675 is a continuation of application No. PCT/JP2020/007599, filed on Feb. 26, 2020.
Claims priority of application No. 2019-034386 (JP), filed on Feb. 27, 2019.
Prior Publication US 2021/0391597 A1, Dec. 16, 2021
Int. Cl. H01M 10/0567 (2010.01); H01G 11/60 (2013.01); H01G 11/62 (2013.01); H01G 11/64 (2013.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0567 (2013.01) [H01G 11/60 (2013.01); H01G 11/62 (2013.01); H01G 11/64 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0028 (2013.01)] 12 Claims
 
1. An electrolyte solution comprising:
a compound (1) represented by the following formula (1); and
a compound (11) represented by the following formula (11),
the formula (1) being:

OG Complex Work Unit Chemistry
wherein R1 and R2 are each independently a C1-C4 alkyl group optionally containing an ether bond,
the formula (11) being:

OG Complex Work Unit Chemistry
wherein R101 and R102 are each independently a substituent that is
—H,
—F,
a group represented by the formula:—Op101—(SiR1032O)n101—SiR1043, wherein R103 and R104 are each independently an alkyl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms, an alkenyl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms, an alkynyl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms, or an aryl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms; n101 is an integer of 0 or greater; and p101 is 0 or 1,
a C1-C7 alkyl group,
a C2-C7 alkenyl group,
a C2-C7 alkynyl group,
a C6-C15 aryl group,
—SO2X101, wherein X101 is —H, —F, or an alkyl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms,
—SO3X102, wherein X102 is —H, —F, or an alkyl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms, or
a C2-C7 hydrocarbon group which forms a cyclic structure by bonding of R101 and R102, the cyclic structure optionally containing a multiple bond,
the substituent optionally containing one or more divalent to hexavalent hetero atoms in its structure, with one or more hydrogen atoms each optionally replaced by a fluorine atom, a phenyl group, an anisyl group, a benzyl group, a cyano group, a trialkyl silyl group, —SO2X103 (wherein X103 is —H, —F, or an alkyl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms), a C1-C7 alkyl group in which one or more hydrogen atoms are optionally replaced by fluorine atoms, a C1-C7 saturated heterocyclic group, or a C1-C7 alkoxy group.