MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202617041278 A) filed by Ningde Amperex Technology Limited on March 31, 2026, for Secondary Battery And Electronic Apparatus.
Inventor includes Liu, Guangcan.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: A secondary battery and an electronic apparatus. The secondary battery comprises an electrode assembly and a tab, the electrode assembly comprising an anode sheet, and the anode sheet comprising an anode current collector and an anode active layer arranged on at least one surface of the anode current collector. The anode current collector has a first edge and a second edge opposite one another in a first direction, the tab extends from the electrode assembly in the first direction by means of the first edge, the anode active layer comprises a first edge area provided with a plurality of first strip-shaped grooves, and the first edge area covers the first edge and extends towards the second edge. In the first direction, the first edge area comprises a first end portion located at the first edge and a second end portion opposite the first end portion, wherein at least one of the first strip-shaped grooves extends from the first end portion to the second end portion, and the width of the first edge area is greater than or equal to 1 mm.
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