Multi-tab cylindrical battery roll core and lithium ion battery
AssigneeLinkdata New Energy Co., Ltd.
InventorsSitao YANG, Xiaoyun ZHANG
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Abstract
The present application discloses a multi-tab cylindrical battery roll core, including an electrode sheet and a separating film stacked and wound with each other; a tabs and a lead are arranged at the electrode sheet, the tabs is integrally connected with the electrode sheet, and the lead is fixedly connected to the electrode sheet; the tabs and the lead of the same electrode sheet are stacked with each other and are located at a side of a central hole of the roll core; on the same electrode sheet, the lead is located at a side of the tabs stacked with one another, or on the same electrode sheet, the tabs stacked with one another are located between two leads, and the leads can protect the tabs.
Claims7
A multi-tab cylindrical battery roll core, comprising an electrode sheet and a separating film stacked and wound with each other, wherein tabs are arranged at and integrally connected with the electrode sheet, and a lead is fixedly connected to at least one electrode sheet;
- the tabs and the lead of the same electrode sheet are stacked with each other and are located at a side of a central hole of the roll core;
- wherein on the same electrode sheet, the lead is located at a side of the tabs stacked with one another, or the tabs stacked with one another on the same electrode sheet are clamped and arranged between two leads.
Dependencies are inferred from the claim text.