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US 2026/0229587 A1Published application
Secondary battery and electric apparatus
AssigneeNingde Amperex Technology Limited
InventorMeina YAO
Life of this patent
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AssigneeNingde Amperex Technology Limited
InventorMeina YAO
Estimating the term…
A secondary battery and an electric apparatus, the secondary battery including an electrode assembly, and the electrode assembly being a jelly-roll structure, where the electrode assembly includes a positive electrode plate, a negative electrode plate, a first separator, and a second separator; the first separator includes a first base film and a first ceramic coating, the first ceramic coating being disposed on at least one side of the first base film, the first ceramic coating including first ceramic particles, and the first ceramic particles including at least one of aluminum oxide, zirconium dioxide, titanium dioxide, or silicon dioxide; and the second separator includes a second base film and a second ceramic coating, the second ceramic coating being disposed on at least one side of the second base film, the second ceramic coating including second ceramic particles, and the second ceramic particles including boehmite.
A secondary battery, comprising an electrode assembly, wherein the electrode assembly is a jelly-roll structure, and the electrode assembly comprises a positive electrode plate, a negative electrode plate, a first separator, and a second separator;
Dependencies are inferred from the claim text.