MUMBAI, India, Aug. 31 -- Intellectual Property India has published a patent application (202617081338 A) filed by Terawatt Technology K. K. on July 01, 2026, for Lithium Secondary Battery And Method For Manufacturing Lithium Secondary Battery.
Inventors include Fujiki, Satoshi; Miyake, Minoru; Oyama, Gosuke; and Ogata, Ken Application Number.
The application for the patent was published on August 28, 2026, under issue no. 35/2026.
Abstract: Provided is a technology that suppresses a decrease in cell capacity while suppressing a short circuit between a positive electrode and a negative electrode. The present invention relates to a lithium secondary battery comprising a positive electrode and a negative electrode that are facing with a separator interposed therebetween, wherein the positive electrode comprises a positive electrode current collector that is configured by sandwiching a resin layer between a first metal layer and a second metal layer, and a positive electrode active material layer that is provided on the positive electrode current collector, the first metal layer comprises a first section where the positive electrode active material layer is not provided, the second metal layer comprises a second section where the positive electrode active material layer is not provided, and the first section and the second section have different dimensions in both the width direction and the length direction.
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