ALL-TAB NEGATIVE ELECTRODE SHEET AND CYLINDRICAL BATTERY

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ALL-TAB NEGATIVE ELECTRODE SHEET AND CYLINDRICAL BATTERY

This abstract first appeared for US patent application 18958770 titled 'ALL-TAB NEGATIVE ELECTRODE SHEET AND CYLINDRICAL BATTERY

Original Abstract Submitted

Disclosed are an all-tab negative electrode sheet and a cylindrical battery. The all-tab negative electrode sheet includes an electrode sheet body. The electrode sheet body includes: a coating area, the electrode sheet body in the coating area being coated with a negative electrode material; a flattening area adjacent to the coating area in a width direction of the electrode sheet body, the width direction being perpendicular to the length direction, wherein (N+) tab groups are arranged in the flattening area in sequence along the length direction, each of the tab groups comprises one or more tabs, a (N+)tab group is adjacent to a Ntab group, a width of the tabs of the (N+)tab group is greater than that of the tabs of the Ntab group, and N is a positive integer.