US 12,227,603 B2
Compressed member for electrochemical device
Yusuke Kamiya, Osaka (JP); Takahiro Furutani, Osaka (JP); Kouhei Takemura, Osaka (JP); Riku Yamaguchi, Osaka (JP); Keisuke Shiomi, Osaka (JP); and Masaki Irie, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Appl. No. 17/596,480
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
PCT Filed Jun. 15, 2020, PCT No. PCT/JP2020/023415
§ 371(c)(1), (2) Date Dec. 10, 2021,
PCT Pub. No. WO2020/251055, PCT Pub. Date Dec. 17, 2020.
Claims priority of application No. 2019-111151 (JP), filed on Jun. 14, 2019.
Prior Publication US 2022/0306781 A1, Sep. 29, 2022
Int. Cl. H01M 50/193 (2021.01); C08F 214/22 (2006.01); C08F 214/26 (2006.01); C08K 5/14 (2006.01); C08L 27/16 (2006.01); C08L 27/18 (2006.01)
CPC C08F 214/222 (2013.01) [C08F 214/262 (2013.01); C08K 5/14 (2013.01); C08L 27/16 (2013.01); C08L 27/18 (2013.01); H01M 50/193 (2021.01); C08L 2312/02 (2013.01)] 7 Claims
 
1. A method for sealing a non-aqueous electrolyte secondary battery by using a sealing member, wherein the sealing member is obtained by crosslinking a crosslinkable composition containing a fluorine-containing elastomer containing a unit based on at least one crosslinkable group-containing monomer selected from the group consisting of a crosslinkable group-containing monomer (1) represented by the general formula (1):
CX12═CF—Rf1—X2
wherein each X1 independently represents H or F, Rf1 represents a fluorinated alkylene group or a fluorinated oxyalkylene group, and X2 represents I or Br; and each group has optionally an oxygen atom between two carbon atoms when each group has two or more carbon atoms, and each group has optionally an aromatic ring, and each group is linear or branched; and
a crosslinkable group-containing monomer (2) represented by the general formula (2):
CX32═CX3—Z1—CX3═CX32
wherein each X3 independently represents H, F, an alkyl group or a fluorinated alkyl group, and Z1 represents an alkylene group, a fluorinated alkylene group, a cycloalkylene group, a fluorinated cycloalkylene group, an oxyalkylene group or a fluorinated oxyalkylene group; and each group has optionally an oxygen atom between two carbon atoms when each group has two or more carbon atoms, and each group has optionally an aromatic ring, and each group is linear or branched.