MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202514117666 A) filed by Tcc Steel Corp. on November 26, 2025, for Nickel Plated Steel Sheet For Battery Case Having Excellent Surface Corrosion Resistance And Method For Manufacturing.
Inventors include Kim, Tae Geun; Kim, Tae Ha --; Shon, Je Ha; Kim, Yoon Han; Heo, Joon Young Republic; Lee, Yo Han; and Kwon, Tae Woo.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: The present disclosure relates to a nickel plated steel sheet for a battery case having excellent corrosion resistance and a method for manufacturing the same. In one embodiment, the nickel plated steel sheet comprises: a base steel sheet; a nickel plating layer formed on one or more surfaces of the base steel sheet; and a nickel-iron (Ni-Fe) diffusion layer formed between the base steel sheet and the nickel plating layer; wherein the nickel plating layer and the nickel-iron (Ni-Fe) diffusion layer are formed by forming an electro-nickel plating layer on the base steel sheet and an electroless nickel plating layer on at least a portion of the surface of the electro-nickel plating layer, followed by heat treatment, and the nickel plating layer includes one or more co-deposited elements selected from phosphorus (P), boron (B), tungsten (W), cobalt (Co), molybdenum (Mo), and copper (Cu) on its surface.
Disclaimer: Curated by HT Syndication.
