MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517056052 A) filed by Panasonic Energy Co. Ltd., Osaka, Japan, on June 10, for 'cylindrical battery.'
Inventor(s) include Sasa Tatsuro; Ishiguro Tasuku; Matsumoto Katsumasa; Tsuda Takao; and Shima Kaho.
The application for the patent was published on July 4, under issue no. 27/2025.
According to the abstract released by the Intellectual Property India: "In a cylindrical battery that is an example of an embodiment of the present invention, a negative electrode (12) has a non-facing portion (43) that is wound at a length of 0.6-0.9 laps at a winding-start side of an electrode body (14), and an exposed core portion (42). A negative electrode lead (21...