Nonaqueous electrolyte secondary battery
View Patent ↗A nonaqueous electrolyte secondary battery is provided. The nonaqueous electrolyte secondary battery includes a cathode; an anode containing at least an anode active material and a conductive agent; and a nonaqueous electrolyte, wherein the anode has an anode mixture, the anode mixture containing 1.5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 μm or more to 5.0 μm or less.
1. A nonaqueous electrolyte secondary battery comprising:
a cathode;
an anode containing at least an anode active material and a conductive agent; and
a nonaqueous electrolyte,
wherein the anode has an anode mixture, the anode mixture containing 1.5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 μm or more to 5.0 μm or less, and
wherein the nonaqueous electrolyte includes an electrolytic solution and a polymer formed by polymerization of a polyvinylidene fluoride compound or derivative thereof.
2. A nonaqueous electrolyte secondary battery comprising:
a cathode;
an anode containing at least an anode active material and a conductive agent; and
a nonaqueous electrolyte,
wherein the anode has an anode mixture, the anode mixture containing 1.5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 μm or more to 5.0 μm or less, and
wherein the nonaqueous electrolyte includes an electrolytic solution and a polymer formed by polymerization of a polyvinyl acetal compound or derivative thereof.
3. A nonaqueous electrolyte secondary battery comprising:
a cathode;
an anode containing at least an anode active material and a conductive agent; and
a nonaqueous electrolyte,
wherein the anode has an anode mixture, the anode mixture containing 1.5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 μm or more to 5.0 μm or less, and
wherein an open circuit voltage of a single cell is 4.25 V or higher to 6.00 V or lower, and wherein the nonaqueous electrolyte includes an electrolytic solution and a polymer formed by polymerization of a polyvinylidene fluoride compound, a polyvinyl acetal compound, or derivatives thereof.
4. The nonaqueous electrolyte secondary battery according to claim 3 , wherein the volume ratio of the aluminum oxide to the conductive agent is 0.8 or more to 5.0 or less.
5. A nonaqueous electrolyte secondary battery comprising:
a cathode;
an anode containing at least an anode active material and a conductive agent; and
a nonaqueous electrolyte,
wherein the anode has an anode mixture, the anode mixture containing 1.5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 μm or more to 5.0 μm or less, and
wherein an open circuit voltage of a single cell is 4.30 V or higher to 4.55 V or lower, and wherein the nonaqueous electrolyte includes an electrolytic solution and a polymer formed by polymerization of a polyvinylidene fluoride compound, a polyvinyl acetal compound, or derivatives thereof.
6. A nonaqueous electrolyte secondary battery comprising:
a cathode;
an anode containing at least an anode active material and a conductive agent; and
a nonaqueous electrolyte,
wherein the anode has an anode mixture, the anode mixture containing 1 .5 wt % or more to 10 wt % or less aluminum oxide which has an average particle diameter of 0.1 μm or more to 5.0 μm or less, and
wherein an electric conductivity of the conductive agent is 5.0×10 5 S/m or more, and wherein the nonaqueous electrolyte includes an electrolytic solution and a polymer formed by polymerization of a polyvinylidene fluoride compound, a polyvinyl acetal compound, or derivatives thereof.