Hydrofluoroether compound, nonaqueous electrolyte solution and lithium ion secondary battery
申请人:NEC Corporation
公开号:US10374259B2
公开(公告)日:2019-08-06
A nonaqueous electrolyte solution including a hydrofluoroether compound represented by the following formula (1):
[Formula 1]
CF3CF2CF2OCHFCF2OR1 (1)
wherein R1 represents a difluoromethyl group, a 2,2-difluoroethyl group, a 2,2,2-trifluoroethyl group, a 2,2,3,3,3-pentafluoropropyl group, a 2,2,3,3-tetrafluoropropyl group, a 1,1,1,3,3,3-hexafluoroisopropyl group, a 2,2,3,3,4,4,4-heptafluorobutyl group, a 2,2,3,3,4,4-hexafluorobutyl group, or a 2,2,3,3,4,4,5,5-octafluoropentyl group.
一种非水电解质溶液,包括下式 (1) 所代表的氢氟醚化合物:
[式 1]
cf3cf2cf2ochfcf2or1 (1)
其中 R1 代表二氟甲基、2,2-二氟乙基、2,2,2-三氟乙基、2,2,3,3,3-五氟丙基、2,2,3,3-四氟丙基、1,1,1,3,3,3-六氟异丙基、2,2,3,3,4,4,4-七氟丁基、2,2,3,3,4,4-六氟丁基或 2,2,3,3,4,4,5,5-八氟戊基。