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https://drivepatents.com/patents/1380525 · 2 Apr 2026
A method of preparing an array of vertically aligned carbon nanotubes for use in catalytic electrodes for fuel cell or electrolytic cell, comprising: providing an array of vertically aligned carbon nanotubes obtained by a gas phase growth process in which ...
https://drivepatents.com/patents/1377637 · 25 Dec 2025
Ruthenium-based catalysts useful for hydrogen oxidation reaction catalysts, the ruthenium-based catalyst including ruthenium and boron disposed on a surface of a boron-doped carbon support, wherein the catalyst does not comprise B; or a ruthenium-based cat...
https://drivepatents.com/patents/1377332 · 11 Dec 2025
A method of forming ruthenium nanoparticles over cobalt oxide encapsulated nitrogen rich carbon nanotubes (Ru@CoOx/N-CNTs) from ZIF-12. The method includes mixing a first solution of cobalt nitrate hexahydrate, a benzimidazole solution, and N, N-dimethyl f...
https://drivepatents.com/patents/1377331 · 11 Dec 2025
Disclosed are catalysts having high activity, stability, and durability, methods for making, and fuel cells comprising the catalysts. The catalysts include nitrided ternary platinum (Pt) containing nanoparticles comprising platinum (Pt), nickel (Ni), and c...
https://drivepatents.com/patents/1372571 · 9 Jan 2025
The present invention discloses a platinum-carbon catalyst and preparation process and use thereof and a hydrogen fuel cell with the platinum-carbon catalyst. A platinum-carbon catalyst contains a carbonaceous support and metallic platinum particles suppor...
https://drivepatents.com/patents/1008894 · 5 Oct 2011
The invention provides an electrode catalyst material (10) in which a resistance loss is reduced by enhancing an electric conductivity as a whole of an electrode catalyst as well as suppressing a corrosion and a disappearance by a catalyst metal in a condu...
https://drivepatents.com/patents/1070976 · 11 Jan 2006
The present invention provides a polymer electrolyte membrane and a membrane-electrode assembly for polymer electrolyte fuel cells excellent in dimensional stability against change of the water content and mechanical strength. The present invention provide...
https://drivepatents.com/patents/1071977 · 7 Dec 2005
A membrane electrode assembly for a polymer electrolyte fuel cell has superior power generation characteristics under low humidity conditions and superior starting characteristics under low temperature conditions. In the membrane electrode assembly for a p...
https://drivepatents.com/patents/1084597 · 25 Aug 2004
The invention aims at providing a fuel cell capable of highly efficient and stable operation, by eliminating the flooding caused by condensed water and generated water during low-load operation, and by inhibiting the increase in the pressure drop at high l...
https://drivepatents.com/patents/1086634 · 9 Jun 2004
A solid polymer electrolyte membrane fuel cell electrode catalyst layer comprises Ptparticles carriedon a carbon carrier and a solid polymer electrolyte, wherein a center-to-center distance dimension (Lpt-pt) between the Pt particles carried on the carbon ...