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US 12,744,163 B2Granted
Capacitor and method for manufacturing same
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsChiho Nobumori, Kenichi Ezaki, Yoshiaki Obana, Hitoshi Ishimoto
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Abstract
A capacitor including a first electrode including a first active material, a second electrode including a second active material, a separator interposed between the first electrode and the second electrode, and an electrolyte solution. The electrolyte solution contains an ionic liquid. In a pore diameter distribution of the separator, a total volume Va in a pore diameter range of 0.1 μm to 2 μm is 0.4 cm3/g or more.
Claims16
A capacitor, comprising:
- a first electrode including a first active material;
- a second electrode including a second active material;
- a separator interposed between the first electrode and the second electrode;
- and
- an electrolyte solution, wherein
- the electrolyte solution contains an ionic liquid, and
- the separator includes a porous substrate, and a reduction reaction product of the ionic liquid fixed to the porous substrate.
4 more elements
A method for manufacturing a capacitor including
- a first electrode including a first active material,
- a second electrode including a second active material,
- a separator interposed between the first electrode and the second electrode, and
- an electrolyte solution,
- the method comprising steps of:
- preparing a porous substrate, and an ionic liquid;
- and
- obtaining a separator by fixing a reduction reaction product of the ionic liquid to the porous substrate.
5 more elements
Dependencies are inferred from the claim text.