Secondary battery with electrolytic solution including a methylene cyclic carbonate, battery pack, electric vehicle, energy storage system, electric power tool, and electronic unit including the same
AssigneeSony Corporation
InventorsMasayuki Ihara, Tadahiko Kubota
Life of this patent
Estimating the term…
Abstract
A secondary battery includes: a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface, in which the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1): where R1 and R2 each are a hydrogen group, a halogen group, a monovalent hydrocarbon group, a monovalent halogenated hydrocarbon group, an oxygen-containing monovalent hydrocarbon group, or an oxygen-containing monovalent halogenated hydrocarbon group, and R1 and R2 may be bonded to each other.
Claims16
A secondary battery comprising:
- a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface,
- wherein the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1):
- where each of R1 and R2 corresponds to an oxygen-containing monovalent halogented hydrocarbon group, and R1 and R2 are bonded to each other.
A battery pack comprising:
- a secondary battery;
- a control section configured to control a usage state of the secondary battery;
- and
- a switch section configured to switch the usage state of the secondary battery according to an instruction from the control section,
- wherein the secondary battery includes a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface, and the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1):
- where each of R1 and R2corresponds to an oxygen-containing monovalent halogenated hydrocarbon group, and R1 and R2 are bonded to each other.
An electric vehicle comprising:
- a secondary battery;
- a conversion section configured to convert power supplied from the secondary battery into driving force;
- a drive section configured to drive by the driving force;
- and
- a control section configured to control a usage state of the secondary battery,
- wherein the secondary battery includes a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface, and the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1):
- where each of R1 and R2corresponds to an oxygen-containing monovalent halogenated hydrocarbon group, and R1 and R2 are bonded to each other.
An energy storage system comprising:
- a secondary battery;
- one or two or more electrical units configured to receive power from the secondary battery;
- and
- a control section configured to control power supply from the secondary battery to the electrical unit,
- wherein the secondary battery includes a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface, and the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1):
- where each of R1 and R2corresponds to an oxygen-containing monovalent halogenated hydrocarbon group, and R1 and R2 are bonded to each other.
An electric power tool comprising:
- a secondary battery;
- and
- a movable section configured to receive power from the secondary battery,
- wherein the secondary battery includes a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface, and the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1):
- where each of R1 and R2corresponds to an oxygen-containing monovalent halogenated hydrocarbon group, and R1 and R2 are bonded to each other.
An electronic unit comprising a secondary battery as a power supply, the secondary battery including a cathode, an anode, and a nonaqueous electrolytic solution in a package member having a flat surface,
- wherein the nonaqueous electrolytic solution includes a methylene cyclic carbonate represented by an expression (1):
- where each of R1 and R2corresponds to an oxygen-containing monovalent halogenated hydrocarbon group, and R1 and R2 are bonded to each other.
Dependencies are inferred from the claim text.