Electrode sheet for lithium ion battery
AssigneeTechtronic Cordless GP
InventorsKe LU, Dan GENG, Jin Wei LI
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Abstract
An electrode sheet for a lithium ion battery, comprising a coated part coated with an electrode material along a length direction of the sheet and an uncoated part uncoated with the electrode material, wherein the sheet comprises a sheet head and a sheet tail; the uncoated part of the sheet head is provided with a head notch; and the uncoated part of the sheet tail is provided with a tail notch. In the present invention, notches of specific shapes and sizes are provided in the uncoated parts of the head and tail ends of the electrode sheet, respectively, which can diminish the problem of a tab end face becoming larger in diameter, protruded outward or folded when flattened, and diminish the problem of a center hole being blocked.
Claims18
An electrode sheet for a lithium ion battery, wherein the electrode sheet comprises a coated part coated with an electrode material along a length direction of the sheet and an uncoated part uncoated with the electrode material;
- the sheet comprises a sheet head and a sheet tail;
- the uncoated part of the sheet head is provided with a head notch;
- and the uncoated part of the sheet tail is provided with a tail notch.
Dependencies are inferred from the claim text.