Accession Number : ADD018004

Title :   Low Temperature Catalytic Desulfurization of Carbon-Based Material, and the Use of Low Sulfur-Content Carbon in Power Source Applications.

Descriptive Note : Patent Application, Filed 25 Mar 96,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Rolison, Debra R ; Swider, Karen E

PDF Url : ADD018004

Report Date : 25 Mar 1996

Pagination or Media Count : 33

Abstract : The present invention is, in one aspect, a process for removing low-valent sulfur from carbon containing such low-valent sulfur (sulfur-containing carbon), having the step of contacting the sulfur-containing carbon with a platinum oxide in an aqueous environment, for a time sufficient to remove a desired amount of low-valent sulfur from the sulfur-containing carbon, especially from the surface of the carbon. Another aspect of the invention is an electrode, comprising an electrocatalyst or active material for a fuel cell or battery, disposed in a carbon matrix, where the carbon matrix is essentially free of low-valent sulfur adjacent to the active material of the battery electrode or electrocatalyst of the fuel cell electrode. Such an electrode will be suitable for use in a fuel cell or in a battery. Another aspect cf the invention is a fuel cell or a battery using this electrode.

Descriptors :   *LOW TEMPERATURE, *CARBON, *POWER SUPPLIES, *CATALYSIS, *SULFUR, *DESULFURIZATION, REMOVAL, ENVIRONMENTS, PATENT APPLICATIONS, WATER, MATRIX MATERIALS, SURFACES, OXIDES, ELECTRODES, PLATINUM, FUEL CELLS, BATTERY COMPONENTS, ELECTROCATALYSTS

Subject Categories : Inorganic Chemistry
      Physical Chemistry
      Electrochemical Energy Storage
      Thermodynamics

Distribution Statement : APPROVED FOR PUBLIC RELEASE