Fuel Cell or Electrolyser

Simple SummaryContent extracted from patent full text and abstract with AI.

This invention provides a novel catalyst system for use in fuel cells or electrolysers. The catalyst involves a substrate metal oxide and an electrically conductive metal phosphate (in metaphosphate form) as the active material. This system reduces or eliminates the need for expensive noble metals (like platinum) commonly used in conventional catalysts, while maintaining high conductivity, catalytic activity, and long-term stability.

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

• Proton-exchange membrane (PEM) fuel cells for automotive drive systems or stationary power generation.
• Electrolysers for hydrogen production from water splitting.
• Portable and backup power supplies using fuel cells.
• Renewable energy storage systems involving hydrogen production and conversion.
• Industrial processes requiring efficient and cost-effective electrochemical conversion catalysis.

BenefitsContent extracted from patent full text and abstract with AI.

• Significantly reduces dependence on costly noble metals, lowering production costs.
• Offers high electrical conductivity, ensuring efficient operation of fuel cells or electrolysers.
• Demonstrates improved hydrolysis resistance and long-term stability, reducing maintenance and increasing device lifespan.
• The catalyst can be finely tuned via doping and particle size manipulation for optimized performance.
• Enables large-scale and more affordable deployment of hydrogen or fuel cell technology.

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a fuel cell (10) or an electrolyser, comprising at least one electrode (1) and at least one polymer electrolyte membrane (7), the electrode (1) comprising a catalyst system (9) comprising a substrate metal oxide and a catalyst material, the catalyst material being formed by an electrically conductive metal phosphate in the form of a metaphosphate of the general chemical formula Mez n+2(PnO3n+1)z, where Me = metal, z = valency of the metal Me, and n is within the range of 1 to 10.