Method for Producing a Material for a Membrane, Material, Membrane and Use of a Membrane

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This invention describes a method for producing advanced polymeric materials for use in ion exchange membranes, especially suited for electrochemical applications like fuel cells, batteries, and water electrolyzers. The process is based on polyhydroxyalkylation (PHA) to synthesize customizable polymers, followed by functional modifications (e.g., sulfonation, phosphonation, alkylation, or blending with other polymers) to tune properties such as chemical and mechanical stability, ion conductivity, and water uptake. The resulting membranes offer high durability and performance, making them ideal for demanding environments.

Use CasesContent extracted from patent full text and abstract with AI.

• Proton exchange membranes (PEM) in fuel cells, both high- and low-temperature types
• Membranes for direct alcohol fuel cells
• Ion exchange membranes in various types of batteries, such as Redox-Flow batteries
• Membranes used in electrochemical water electrolysis for hydrogen generation
• Ionically conductive membranes for electrosynthesis or other electrochemical processes
• Composite membranes for enhanced mechanical reinforcement and ion conductivity
• Advanced membranes for chemical-resistant filtration processes

BenefitsContent extracted from patent full text and abstract with AI.

• Enhanced chemical stability against harsh environments and high-temperature operation
• Improved mechanical strength and dimensional stability of membranes
• Customizable ion conductivity (both cation and anion exchange) suitable for a wide range of electrochemical systems
• Low swelling and controlled water uptake, leading to reliable long-term operation
• Compatibility with advanced membrane manufacturing techniques (organic solvents, electrospinning, blending)
• Potential for high ion-exchange capacity due to tunable functional group incorporation
• Scalability of production due to synthetic versatility and choice of starting materials
• Suitability for next-generation energy devices enabling increased efficiency and durability

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Patent Abstract

The present invention relates to a method for producing a material for a membrane, the method comprising the following steps: - providing at least one starting material, at least one starting material containing at least one monomer or consisting thereof; - synthesizing a polymer from the starting material(s) by way of polyhdroxyalkylation (PHA); and - modifying the synthesized polymer in a subsequent reaction. The invention further relates to a material, a membrane and the use of a membrane.