MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202614015121 A) filed by Aesc Japan Ltd. on February 11, 2026, for Electrode Sheet And Secondary Battery.

Inventors include Dai Liangzhen; Chen Shenghua; Kong Deyong; Zhang Shuhan; Chen Lipeng; and Yin Zhe.

The application for the patent was published on October 02, 2026, under issue no. 40/2026.

Abstract: An electrode sheet (100) includes a current collector (10) including a current collector body (12) and a tab (14) extending from the current collector body (12) along a first direction (d); an active material layer (20) disposed on at least one side of the current collector (10) in a thickness direction; and a reinforcement rib (30). The tab (14) has a tab bare foil region (40) where the active material layer (20) is not disposed. In the first direction (d), the reinforcement rib (30) continuously extends from the tab bare foil region (40) to a surface of the active material layer (20). The disclosure provides an electrode sheet (100) and a secondary battery (1300) to at least achieve avoiding tab folding. FIG. 5

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