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US 2025/0167401 A1Published application
Wound electrode body and non-aqueous secondary battery
AssigneeZeon Corporation
InventorMasanobu SATO
Life of this patent
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Abstract
Provided are a wound electrode body that can inhibit current collector damage accompanying charge/discharge cycles and a secondary battery that includes this wound electrode body. The wound electrode body is obtained through winding of a laminate including a positive electrode, a negative electrode, and a separator and has a spacer arranged at one or more locations at an interface between the positive electrode and the separator and/or an interface between the negative electrode and the separator.
Claims12
A wound electrode body obtained through winding of a laminate comprising a positive electrode, a negative electrode, and a separator,
- wherein a spacer is arranged at one or more locations at either or both of an interface between the positive electrode and the separator and an interface between the negative electrode and the separator.
Dependencies are inferred from the claim text.