MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202617063298 A) filed by Xiamen Ampace Technology Limited on May 19, 2026, for Battery Cell And Battery.
Inventors include Zhang, Shangen; and Chen, Minjing.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The present application discloses a battery cell and a battery. The battery cell comprises a positive electrode tab, a negative electrode tab, and a packaging pouch, the packaging pouch is provided with a sealing region, and the sealing region comprises a first sealing section, a second sealing section, and a third sealing section. The third sealing section comprises a first cut corner section located on a side of the positive electrode tab away from the negative electrode tab in the width direction of the battery cell, and a second cut corner section located on a side of the negative electrode tab away from the positive electrode tab in the width direction of the battery cell. S comprises the orthographic projection area S1 of the first cut corner section in the thickness direction of the battery cell and the orthographic projection area S2 of the second cut corner section in the thickness direction of the battery cell, S1 and S2 satisfying 0.75 = S1/S2 = 0.99. According to the embodiments of the present application, corner portions of the packaging pouch on a positive electrode side and negative electrode side undergo cut corner design to different extents, thereby providing a targeted solution for different levels of adhesive overflow occurring on the positive and negative electrode sides, and improving the stability of performance of the battery cell.
Disclaimer: Curated by HT Syndication.
