MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517091576 A) filed by Kureha Corporation, Tokyo, on Sept. 24, for 'current collector, production method for same, electrode, and battery.'

Inventor(s) include Sato, Hiroshi; Yamakawa, Yuichiro; and Okada, Kayoko.

The application for the patent was published on Oct. 10, under issue no. 41/2025.

According to the abstract released by the Intellectual Property India: "The present invention addresses the problem of providing a current collector in which cracking etc. of a mixture layer is unlikely to occur during production of an electrode. This current collector solves the aforementioned problem and has a metal-containing base material and a coat layer disposed on at least one surface of the base materia. The coat layer contains an electroconductive auxiliary agent, a vinylidene fluoride copolymer, and a dispersant. The vinylidene fluoride copolymer contains: a structural unit derived from vinylidene fluoride and a structural unit derived from a compound having a carboxy group. The amount of the electroconductive auxiliary agent is 45 mass% to 80 mass% with respect to the total mass of the coat layer."

The patent application was internationally filed on Mar. 05, 2024, under International application No.PCT/JP2024/008291.

Disclaimer: Curated by HT Syndication.