USPTO Patent Application: Conductive Material Dispersion Liquid

ChangeBridge: Patent Apps - Batteries (H01M)

Published September 15th, 2025

Detected March 26th, 2026

Summary

The USPTO has published a patent application (US20260084967A1) for a conductive material dispersion liquid and electrode slurry for lithium secondary batteries. The application details a composition including carbon nanotubes, a cellulose polymer dispersant, and a polyethylene oxide polymer dispersant, aiming to improve dispersibility and battery resistance.

View original document View source feed page

What changed

This document is a USPTO patent application (US20260084967A1) filed on September 15, 2025, concerning a novel conductive material dispersion liquid and electrode slurry for lithium secondary batteries. The invention utilizes a combination of carbon nanotubes, a cellulose polymer as a first dispersant, and a polyethylene oxide polymer as a second dispersant. The stated benefits include improved dispersibility of the conductive material and enhanced resistance characteristics of the resulting secondary battery.

This patent application does not impose any new regulatory obligations or compliance deadlines on regulated entities. It is a notification of a new patent filing related to materials science and energy storage technology. Companies involved in battery manufacturing or materials research may find this information relevant for competitive intelligence or potential licensing opportunities.

Source document (simplified)

← USPTO Patent Applications

CONDUCTIVE MATERIAL DISPERSION LIQUID, ELECTRODE SLURRY INCLUDING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Application US20260084967A1 Kind: A1 Mar 26, 2026

Inventors

Hyun Ji JEON, Hyun Suk CHUNG, Soo Bean KIM, Sang Hye SHIN, Yong Hoon LEE, Yong Bin HAN

Abstract

A conductive material dispersion liquid according to embodiments of the present disclosure includes a conductive material including carbon nanotubes; a first dispersant including a cellulose polymer, and a second dispersant including a polyethylene oxide polymer. The dispersibility of a conductive material dispersion liquid including both the first dispersant and the second dispersant may be improved, and resistance characteristics of a secondary battery may be improved.