Lithium Battery Cathode Material Patent Application

ChangeBridge: Patent Apps - Batteries (H01M)

Published December 5th, 2025

Detected March 27th, 2026

Summary

The USPTO has published a patent application (US20260088286A1) for a lithium secondary battery cathode active material. The application describes a material designed to suppress side reactions with electrolytes and improve battery performance. The filing date was December 5, 2025.

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What changed

This document is a publication of a patent application filed with the USPTO, specifically application number US20260088286A1. The application details a novel cathode active material for lithium secondary batteries, comprising a lithium metal oxide particle core and an organic compound coating layer containing a sulfur atom functional group. The described material aims to enhance battery stability, reduce manufacturing issues like slurry gelation, and maintain high energy, output, and lifespan characteristics.

This patent application does not impose any immediate regulatory obligations or compliance deadlines on regulated entities. It represents a new technological disclosure in the field of battery materials. Companies involved in battery manufacturing or materials science may find this application of interest for research and development purposes, potentially influencing future product designs and innovations.

Source document (simplified)

← USPTO Patent Applications

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Application US20260088286A1 Kind: A1 Mar 26, 2026

Inventors

Jae Ho CHOI, Jik Soo KIM, Ji Hoon CHOI, Kook Hyun HAN

Abstract

A cathode active material for a lithium secondary battery according to exemplary embodiments of the present invention includes a lithium metal oxide particle core part and an organic compound coating layer which includes a functional group containing a sulfur atom. The cathode active material may suppress side reactions with an electrolyte while maintaining the stability of the layered structure of the lithium metal oxide particles, suppress a gelation phenomenon of the slurry during manufacturing a cathode, and maintain the high energy, high output and long life-span characteristics of the lithium secondary battery.