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US 9,806,374 B2Granted
Battery
AssigneeSony Corporation
InventorMasaki Machida
Life of this patent
Estimating the term…
Abstract
A battery is provided. The battery includes a positive electrode; a negative electrode; and an electrolyte that includes an electrolyte salt, a solvent, a matrix polymer, and a ceramic powder; wherein the matrix polymer is at least one selected from the group consisting of polyvinyl formal, polyacrylic acid ester, polyvinylidene fluoride, a copolymer of polyvinyl formal, a copolymer of polyacrylic acid ester and a copolymer of polyvinylidene fluoride; and wherein a mass ratio of the ceramic powder to the matrix polymer ranges from 2/1 to 5/1.
Claims20
A battery comprising:
- a positive electrode;
- a negative electrode;
- and
- an electrolyte that includes an electrolyte salt, a solvent, a matrix polymer, and a ceramic powder;
- wherein the matrix polymer is at least one selected from the group consisting of polyvinyl formal, polyacrylic acid ester, polyvinylidene fluoride, a copolymer of polyvinyl formal, a copolymer of polyacrylic acid ester and a copolymer of polyvinylidene fluoride;
- and
- wherein a mass ratio of the ceramic powder to the matrix polymer ranges from 2/1 to 5/1, the ceramic powder is one or both of aluminum nitride (AlN) and boron nitride (BN), and the ceramic powder is mixed in an amount of 0.5 mg/cm2 or more and 3.6 mg/cm2 or less per unit area of the positive electrode or the negative electrode.
4 more elements
A battery comprising:
- a positive electrode;
- a negative electrode;
- and
- a gel electrolyte layer that includes an electrolyte salt, a solvent, a matrix polymer, and a ceramic powder;
- wherein the matrix polymer is at least one selected from the group consisting of polyvinyl formal, polyacrylic acid ester, polyvinylidene fluoride, a copolymer of polyvinyl formal, a copolymer of polyacrylic acid ester and a copolymer of polyvinylidene fluoride;
- and
- wherein a mass ratio of the ceramic powder to the matrix polymer ranges from 2/1 to 5/1, the ceramic powder is one or both of aluminum nitride (AlN) and boron nitride (BN), and the ceramic powder is mixed in an amount of 0.5 mg/cm2 or more and 3.6 mg/cm2 or less per unit area of the positive electrode or the negative electrode.
4 more elements
Dependencies are inferred from the claim text.