MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617115245 A) filed by Contemporary Amperex Technology Co. , Limited on September 25, 2026, for Electrolyte, Battery Cell, Battery And Electrical Apparatus.
Inventors include Guo, Jie; Wu, Zeli; Han, Changlong; Wang, Guan; Huang, Lei; and Cai, Linhua.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: An electrolyte, a battery cell, a battery and an electrical apparatus, belonging to the technical field of batteries. Fluorophosphate and/or borate is added into an electrolyte containing a low-viscosity solvent, and due to low LUMO energy levels, the fluorophosphate and the borate readily accept electrons and undergo reduction after being added into the electrolyte, so as to form a stable SEI film on the surface of a negative electrode active material, thus blocking contact between the low- viscosity solvent and the surface of the negative electrode active material, reducing the reduction of the low-viscosity solvent, and inhibiting further side reactions on the negative electrode sheet side. Meanwhile, the fluorophosphate and the borate can be combined with metal ions on the surface of a positive electrode active material to form ionic bonds, such that the phenomenon of surface overdelithiation of the positive electrode active material is reduced, thus effectively reducing structural damage to the positive electrode active material, and reducing side reactions between the electrolyte and the positive electrode sheet side. Reducing side reactions between electrolytes and both the negative electrode sheet side and the positive electrode sheet side is conductive to the service life of batteries.
Disclaimer: Curated by HT Syndication.
