MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202617071214 A) filed by Ningde Amperex Technology Limited on June 08, 2026, for Secondary Battery And Electrical Device.

Inventor includes Jin, Wenbo.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: A secondary battery and an electrical device, relating to the technical field of secondary batteries. The secondary battery comprises a negative electrode sheet and an electrolyte. Regarding a negative electrode active material in the negative electrode sheet, an interplanar distance thereof is d002nm, a facet layer stack thickness is Lc (nm), and 10×d002/Lc 0.109. The electrolyte comprises fluoroethylene carbonate and lithium difluorophosphate; on the basis of the mass of the electrolyte, the mass percentage content of the fluoroethylene carbonate is S1%, the mass percentage content of lithium difluorophosphate is S2%, S1 is greater than or equal to 1.5 and less than or equal to 5.0, and S1 is greater than or equal to 4×d002+0.8×S2. The secondary battery exhibits good discharge rate performance at low temperatures.

Disclaimer: Curated by HT Syndication.