MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202617041394 A) filed by Ningde Amperex Technology Limited on March 31, 2026, for Secondary Battery And Electric Apparatus.
Inventor includes Yao, Meina.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: The present application provides a secondary battery and an electric apparatus. The secondary battery comprises an electrode assembly, the electrode assembly being of a wound structure and comprising a positive electrode sheet, a negative electrode sheet, a first separator and a second separator; the first separator comprising a first base film and a first ceramic coating, the first ceramic coating being arranged on at least one side of the first base film, the first ceramic coating comprising first ceramic particles, and the first ceramic particles comprising at least one of aluminum oxide, zirconium dioxide, titanium dioxide, or silicon dioxide; the second separator comprising a second base film and a second ceramic coating, the second ceramic coating being arranged on at least one side of the second base film, the second ceramic coating comprising second ceramic particles, and the second ceramic particles comprising boehmite. The above arrangement enables a secondary battery to achieve a balance between energy density, cycle performance, and safety performance.
Disclaimer: Curated by HT Syndication.