US12573605USUSPTO Grant XML

Dry electrode manufacture with composite binder

A free-standing electrode film may comprise an electrode active material and a composite binder comprising polytetrafluoroethylene (PTFE) and polyvinylpyrrolidone (PVP). An electrode for an energy storage device may comprise a current collector and a film on the current collector, the film including an electrode active material and a composite binder comprising PTFE and PVP. A method of manufacturing a free-standing electrode film may comprise preparing a mixture including an electrode active material and a composite binder, the composite binder comprising PTFE and one or more additional binders selected from the group consisting of PVP, polyvinylidene fluoride (PVDF), polyethylene oxide (PEO), and carboxymethylcellulose (CMC). The method may further comprise adding a solvent to the mixture, subjecting the mixture to a shear force, and, after the solvent has been added and the mixture has been subjected to the shear force, pressing the mixture into a free-standing film.

Patent

Brief

Patent brief

Problem

How can microplastics and similar contaminants be removed from wastewater?

Novelty

electrode for an energy storage device may comprise a current collector and a film on the current collector, the film in...

Uses

Contaminant removal, Wastewater polishing, Electrochemical cleanup

Assignee

LICAP TECHNOLOGIES, INC.

Published

Mar 10, 2026

Inventors

Bibek Tiwari, Linda Zhong, Bae Hyun Kim, Hyeunhwan An

Domain

Environmental systems

Plain-English summary

Problem

How can microplastics and similar contaminants be removed from wastewater?

Solution

free-standing electrode film may comprise an electrode active material and a composite binder comprising polytetrafluoroethylene (PTFE) and polyvinylpyrrolidone (PVP).

Key novelty

electrode for an energy storage device may comprise a current collector and a film on the current collector, the film including an electrode active material and a composite binder comprising PTFE and PVP.

Applications

Contaminant removalWastewater polishingElectrochemical cleanup

Relevant search intents

electrode

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