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US 2026/0031330 A1Published application
Energy storage device
AssigneeGS Yuasa International Ltd.
InventorNaoki UEHARA
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Abstract
An energy storage device according to one aspect of the present invention includes: a negative electrode including a negative active material layer; and a positive electrode, in which the negative active material layer contains negative active material particles and a cellulose derivative, an average circularity of the negative active material particles is 0.60 or less, and a peak top molecular weight of the cellulose derivative is 2,800,000 or more.
Claims12
An energy storage device comprising:
- a negative electrode including a negative active material layer;
- and
- a positive electrode, wherein
- the negative active material layer contains negative active material particles and a cellulose derivative,
- an average circularity of the negative active material particles is 0.60 or less, and
- a peak top molecular weight of the cellulose derivative is 2,800,000 or more.
3 more elements
Dependencies are inferred from the claim text.