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US 12,603,289 B2Granted
Polyvinylidene fluoride, binder, electrode mixture, electrode, and secondary battery
AssigneeDaikin Industries, Ltd.
InventorsTakashi Iguchi, Takahiro Kitahara, Ryouichi Yano, Kazuya Asano, Kanako Arai
Life of this patent
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Abstract
Provided is a polyvinylidene fluoride comprising: vinylidene fluoride unit; and a pentenoic acid unit represented by formula (1): CH2═CH—(CH2)2—COOY wherein Y represents at least one selected from the group consisting of an inorganic cation and an organic cation, a content of vinylidene fluoride unit is 95.0 to 99.99 mol % based on all monomer units of the polyvinylidene fluoride, and a content of the pentenoic acid unit is 0.01 to 5.0 mol % based on all monomer units of the polyvinylidene fluoride.
Claims6
A polyvinylidene fluoride comprising:
- vinylidene fluoride unit;
- and
- a pentenoic acid unit represented by formula (1):
- CH2═CH—(CH2)2—COOY
- wherein Y represents at least one selected from the group consisting of an inorganic cation and an organic cation,
- a content of vinylidene fluoride unit is 97.0 to 99.99 mol % based on all monomer units of the polyvinylidene fluoride, and
- a content of the pentenoic acid unit is 0.01 to 3.0 mol % based on all monomer units of the polyvinylidene fluoride.
4 more elements
Dependencies are inferred from the claim text.