MUMBAI, India, Nov. 7 -- Intellectual Property India has published a patent application (202517094538 A) filed by Dai Nippon Printing Co. Ltd., Tokyo, on Oct. 1, for 'power storage device exterior material, manufacturing method for same, and power storage device.'
Inventor(s) include Okano, Ai; and Sasaki, Miho.
The application for the patent was published on Nov. 7, under issue no. 45/2025.
According to the abstract released by the Intellectual Property India: "This power storage device exterior material is constituted from a laminate comprising at least a base material layer, a barrier layer, and a thermally fusible resin layer in this order from the outside. In the following tensile test in a 120 C environment, the strength of the power storage device exterior material when stretched by 20% in the MD direction is 35 N/15 mm or more. [Tensile Test] Measurement is performed using a tensile testing machine by a method compliant with the specification of JIS K 7127:1999. The measurement conditions used are: a rectangular shape having a sample width of 15 mm; an inter-mark distance of 30 mm; a tensile speed of 0.5 mm/min; a test environment of 120 C; and an average value obtained by performing measurement three times."
The patent application was internationally filed on Mar. 22, 2024, under International application No.PCT/JP2024/011519.
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