Title: Photocatalytic polyoxometalate compositions of tungstovanadates and uses as water oxidation catalysts

Abstract

This disclosure relates to photocatalytic polyoxometalate compositions of tungstovanadates and uses as water oxidation catalysts. In certain embodiments, the disclosure relates to compositions comprising water, a complex of a tetra-metal oxide cluster and VW.sub.9O.sub.34 ligands, and a photosensitizer. Typically, the metal oxide cluster is Co. In certain embodiments, the disclosure relates to electrodes and other devices comprising water oxidation catalysts disclosed herein and uses in generating fuels and electrical power from solar energy.

Inventors:

Hill, Craig L.; Gueletii, Iourii V.; Song, Jie; Lv, Hongjin; Musaev, Djamaladdin; Luo, Zhen

Issue Date:

2017-08-22

Research Org.:

Emory Univ., Atlanta, GA (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1376223

Patent Number(s):

9737880

Application Number:

14/387,745

Assignee:

Emory University

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

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

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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

B01J23/75 - Cobalt
B01J23/888 - Tungsten
B01J2523/00 - Constitutive chemical elements of heterogeneous catalysts
B01J2523/12 - Sodium
B01J2523/13 - Potassium
B01J2523/55 - Vanadium
B01J2523/69 - Tungsten
B01J2523/845 - Cobalt
B01J2531/74 - Rhenium
B01J2531/821 - Ruthenium
B01J27/188 - with chromium, molybdenum, tungsten or polonium
B01J31/1815 - {with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine}
B01J35/0013 - {Colloids}
B01J35/0033 - {Electric or magnetic properties}
B01J35/004 - {Photocatalysts}
B01J37/04 - Mixing {

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

C01G51/006 - {Compounds containing, besides cobalt, two or more other elements, with the exception of oxygen or hydrogen

C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS

C25B1/04 - by electrolysis of water

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01G - CAPACITORS

H01G9/2027 - {comprising an oxide semiconductor electrode}
H01G9/2031 - {comprising titanium oxide, e.g. TiO2

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

Y02E10/542 - Dye sensitized solar cells
Y02E60/36 - Hydrogen production from non-carbon containing sources

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

Y02P20/133 - Renewable energy sources

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DOE Contract Number:  

FG02-03ER15461

Resource Type:

Patent

Resource Relation:

Patent File Date: 2013 Mar 28

Country of Publication:

United States

Language:

English

Subject:

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; 14 SOLAR ENERGY