This document is a publication of a United States patent application, specifically US20260088291A1, filed on December 4, 2025. The application describes a coated active material for battery positive electrodes, detailing a coating layer containing a compound with Li, M (a metalloid or metal element other than Li), and F. The specified amount of F in the compound ranges from 10 mg/m2 to 280 mg/m2 per unit surface area of the positive electrode active material. The inventors listed are Yusuke NISHIO and Kazufumi MIYATAKE.

This patent application represents a new disclosure in the field of battery materials, particularly for energy storage devices. While it does not impose immediate regulatory obligations, it signals technological advancements that manufacturers in the battery and materials science sectors may wish to monitor for competitive or licensing purposes. Companies involved in battery research, development, and manufacturing should be aware of such disclosures as they can influence future product development and intellectual property landscapes.