Electric Storage Device
AssigneeGS Yuasa International Ltd.
InventorsTomonori KAKO, Hidefumi HASEGAWA, Katsushi NISHIE, Sumio MORI
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Abstract
Provided is an electric storage device including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, a nonaqueous electrolyte solution in which an electrolyte is dissolved in a nonaqueous solvent, wherein an inorganic filler layer is disposed between the positive electrode and the negative electrode and the nonaqueous electrolyte solution contains lithium difluorobis(oxalato)phosphate.
Claims14
A method for manufacturing an electric storage device comprising:
- placing a layered electrode structure in which negative and positive electrodes are stacked with a separator and an inorganic filler layer therebetween in a case, and
- injecting a nonaqueous electrolyte solution in the case,
- wherein the nonaqueous electrolyte solution contains electrolyte, nonaqueous solvent, and lithium difluorobis(oxalato)phosphate.
A method of using an electric storage device, comprising:
- conducting charging and discharging the electric storage device repeatedly,
- the electric storage device including
- a positive electrode;
- a negative electrode;
- a separator disposed between the positive electrode and the negative electrode;
- a nonaqueous electrolyte solution in which an electrolyte is dissolved in a nonaqueous solvent;
- and
- an inorganic filler layer disposed between the positive electrode and the negative electrode;
- wherein the nonaqueous electrolyte solution contains lithium difluorobis(oxalato)phosphate.
Dependencies are inferred from the claim text.