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US 12,218,342 B2Granted
Energy storage device
AssigneeGS Yuasa International Ltd.
InventorTomoya Tsuchikawa
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Abstract
One aspect of the present invention is an energy storage device including: an electrode having a mixture layer containing active material particles; and a separator having an inorganic layer facing the mixture layer, the inorganic layer containing inorganic particles, in which the active material particles have two or more peaks in volume-based particle size distribution, and an average particle diameter of the inorganic particles is 1.2 μm or less.
Claims12
An energy storage device comprising:
- an electrode having a mixture layer containing active material particles;
- and
- a separator having an inorganic layer facing the mixture layer, the inorganic layer containing inorganic particles,
- wherein the active material particles have two or more peaks in a volume-based particle size distribution, and
- an average particle diameter of the inorganic particles is 1.2 μm or less.
2 more elements
Dependencies are inferred from the claim text.