MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202614015668 A) filed by Aesc Japan Ltd. on February 12, 2026, for Electrode Sheet, Secondary Battery And Electronic Device.

Inventors include Dai Liangzhen; Chen Shenghua; Zhang Shuhan; Kong Deyong; 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), a secondary battery (500), and an electronic device (1000) are provided. The electrode sheet (100) includes: an electrode sheet body (160), including a current collector (110) and an active material layer (130), the current collector (110) has two opposite surfaces, and the two surfaces are respectively coated with active material layers (130); and a tab (150), extending from the electrode sheet body (160), the tab (150) is provided with a second stiffener region (192) and a first stiffener region (191), the second stiffener region (192) is disposed between the first stiffener region (191) and the active material layer (130), a stiffener (190) is disposed in the first stiffener region (191) and the second stiffener region (192), a depth (H1) of the stiffener (190) in the first stiffener region (191) is greater than a depth (H2) of the stiffener (190) in the second stiffener region (192). FIG. 2

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