MUMBAI, India, July 30 -- Intellectual Property India has published a patent application (202617070073 A) filed by Contemporary Amperex Technology Co. , Limited on June 04, 2026, for Hard Carbon, Preparation Method, Secondary Battery, And Electric Device.
Inventors include Wu, Kai; Zhou, Yi; and Zhang, Ming.
The application for the patent was published on July 24, 2026, under issue no. 30/2026.
Abstract: The present application provides a hard carbon, a preparation method, a secondary battery, and an electric device. Relative to the total mass of the hard carbon, the total mass ratio of water-soluble cations in the hard carbon does not exceed 500 ppm. The hard carbon can improve the viscosity of a negative electrode slurry and can improve the cycle performance of a battery.
Disclaimer: Curated by HT Syndication.