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US 10,566,657 B2Granted
Electrolyte, battery, battery pack, electronic apparatus, electric vehicle, power storage apparatus, and power system
AssigneeMurata Manufacturing Co., Ltd.
InventorsHiroki Mita, Kazumasa Takeshi, Tadahiko Kubota
Life of this patent
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Abstract
[Solving Means] A battery includes: a positive electrode; a negative electrode; and an electrolyte. The electrolyte contains an electrolyte solution, and a polymer compound holding the electrolyte solution. The polymer compound includes a copolymer having at least predetermined two kinds of repeating units.
Claims4
An electrolyte, comprising:
- an electrolyte solution that comprises an electrolyte salt and a non-aqueous solvent to dissolve the electrolyte salt, wherein:
- the non-aqueous solvent is ethylene carbonate, and
- the electrolyte salt is a lithium salt;
- and
- a polymer compound holding the electrolyte solution,
- wherein the polymer compound includes a copolymer having at least two kinds of repeating units represented by a general formula (1)
- (In the formula, X represents an oxymethylene group, Y represents a pentafluoroethyl group, R1 represents a methyl group, n and m each represent a molar ratio (n:m) of the two kinds of repeating units, and the n and m satisfy the relationship of 45≤n≤95 and 5≤m≤55).
4 more elements
Dependencies are inferred from the claim text.