Patent Application for Halogen-Free Cathode Binder

ChangeBridge: Patent Apps - Batteries (H01M)

Published August 14th, 2025

Detected March 27th, 2026

Summary

The USPTO has published a patent application (US20260088293A1) for a halogen-free polymeric binder for cathodes, assigned to Belenos Clean Power Holding AG. The application details the binder's formula, its inclusion in a cathode, and a method for its production.

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What changed

This document is a patent application, not a regulatory rule or guidance. It describes a novel halogen-free polymeric binder for cathodes, detailing its chemical formula (formula I) with specific parameters for R1, R2, and n. The application also covers a cathode incorporating this binder and a method for producing the binder. The assignee is Belenos Clean Power Holding AG.

While not a regulatory mandate, this patent application signifies potential technological advancements in battery materials. Companies involved in battery manufacturing or research may find this information relevant for competitive analysis or future product development. Compliance officers in the energy storage sector should be aware of such innovations as they may influence future industry standards or material sourcing requirements.

Source document (simplified)

← USPTO Patent Applications

HALOGEN-FREE POLYMERIC BINDER FOR CATHODE

Application US20260088293A1 Kind: A1 Mar 26, 2026

Assignee

Belenos Clean Power Holding AG

Inventors

Maria MARTINEZ-IBANEZ, Michel ARMAND, Alexander SANTIAGO SANCHEZ, David FRAILE INSAGURBE, Eduardo SANCHEZ DIEZ, Itziar ALDALUR CEBERIO, Oihane ZUGAZUA GANADO, Luca PORCARELLI, Daniele PEREGO

Abstract

A halogen-free polymeric binder for a cathode according to formula (I) wherein R1 is (CH2)x—R3, wherein x is between 1 and 20 and R3 is H or CN; R2 is C1-C10 alkyl or C2-C10 alkenyl, and n is between 50 and 5000. Also, a cathode including the halogen-free polymeric binder, and a method of producing the halogen-free polymeric binder.