Title: Composite catalysts supported on modified carbon substrates and methods of making the same

Abstract

A method of producing a composite carbon catalyst is generally disclosed. The method includes oxidizing a carbon precursor (e.g., carbon black). Optionally, nitrogen functional groups can be added to the oxidized carbon precursor. Then, the oxidized carbon precursor is refluxed with a non-platinum transitional metal precursor in a solution. Finally, the solution is pyrolyzed at a temperature of at least about 500.degree. C.

Inventors:

Popov, Branko N ^[1]; Subramanian, Nalini ^[2]; Colon-Mercado, Hector R ^[1]

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+ Show Inventor Affiliations

1. Columbia, SC
2. Kennesaw, GA

Issue Date:

2009-11-17

Research Org.:

Univ. of South Carolina, Columbia, SC (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1015153

Patent Number(s):

7618915

Application Number:

11/800,978

Assignee:

University of South Carolina

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

B01J21/18 - Carbon
B01J23/42 - Platinum
B01J23/75 - Cobalt
B01J37/0203 - {the impregnation liquid containing organic compounds}
B01J37/0207 - {Pretreatment of the support}
B01J37/082 - {Decomposition and pyrolysis}

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

H01M2004/8689 - {Positive electrodes}
H01M2008/1095 - {Fuel cells with polymeric electrolytes}
H01M4/90 - Selection of catalytic material
H01M4/9083 - {on carbon or graphite}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

Y02E60/50 - Fuel cells

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DOE Contract Number:  

FC36-03GO13108

Resource Type:

Patent

Country of Publication:

United States

Language:

English

Subject:

36 MATERIALS SCIENCE