Intellectual Property India Publishes Patent Application for Negative Electrode Sheet, Secondary Battery, Electric Device, Hard Carbon Material, And Preparation Method Therefor

MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202617098992 A) filed by Contemporary Amperex Technology Co. , Limited on August 16, 2026, for Negative Electrode Sheet, Secondary Battery, Electric Device, Hard Carbon Material, And Preparation Method Therefor.

Inventors include Chen, Xiaoxia; Zhang, Xinxin; Liu, Shikun; and Zheng, Xiaoji.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: A negative electrode sheet, a secondary battery, an electric device, a hard carbon material, and a preparation method therefor. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one...