Intellectual Property India Publishes Patent Application for 'Secondary Battery, Pack And Electronic Apparatus' Filed by Aesc Japan Ltd.

MUMBAI, India, April 20 -- Intellectual Property India has published a patent application (202514087380 A) filed by Aesc Japan Ltd., Kanagawa, Japan, on Sept. 15, 2025, for 'secondary battery, pack and electronic apparatus.'

Inventor(s) include Guo, Xueqin.

The application for the patent was published on April 17, under issue no. 16/2026.

According to the abstract released by the Intellectual Property India: "A secondary battery (100), a pack, and an electronic apparatus are provided. The secondary battery (100) includes an electrode assembly (120) formed by a first electrode sheet (121), a first separator (141), a second electrode sheet (122), and a second separator (142) and an insulating film (300). A protruding end of a tail end (141e) of the first separator (141) and a tail end (142e) of the second separator (142) constitutes the tail end (120e) of the electrode assembly (120). A tail end (122e) of the second electrode sheet (122) extends beyond a tail end (121e) of the first electrode sheet (121). The tail end (120e) of the electrode assembly (120) extends beyond the tail end (122e) of the second electrode sheet (122). A starting end (300s) of the insulating film (300) extends beyond the tail end (120e) of the electrode assembly (120)."

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