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Title: Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof

Abstract

Catalysts prepared from abundant, cost effective metals, such as cobalt, nickel, chromium, manganese, iron, and copper, and containing one or more neutrally charged ligands (e.g., monodentate, bidentate, and/or polydentate ligands) and methods of making and using thereof are described herein. Exemplary ligands include, but are not limited to, phosphine ligands, nitrogen-based ligands, sulfur-based ligands, and/or arsenic-based ligands. In some embodiments, the catalyst is a cobalt-based catalyst or a nickel-based catalyst. The catalysts described herein are stable and active at neutral pH and in a wide range of buffers that are both weak and strong proton acceptors. While its activity is slightly lower than state of the art cobalt-based water oxidation catalysts under some conditions, it is capable of sustaining electrolysis at high applied potentials without a significant degradation in catalytic current. This enhanced robustness gives it an advantage in industrial and large-scale water electrolysis schemes.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Yale Univ., New Haven, CT (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1484199
Patent Number(s):
10081650
Application Number:
14/322,773
Assignee:
Yale University (New Haven, CT)
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 C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
DOE Contract Number:  
FG02-84ER13297
Resource Type:
Patent
Resource Relation:
Patent File Date: 2014 Jul 02
Country of Publication:
United States
Language:
English

Citation Formats

Bloomfield, Aaron J., Sheehan, Stafford W., Collom, Samuel L., Crabtree, Robert H., and Anastas, Paul T. Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof. United States: N. p., 2018. Web.
Bloomfield, Aaron J., Sheehan, Stafford W., Collom, Samuel L., Crabtree, Robert H., & Anastas, Paul T. Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof. United States.
Bloomfield, Aaron J., Sheehan, Stafford W., Collom, Samuel L., Crabtree, Robert H., and Anastas, Paul T. Tue . "Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof". United States. https://www.osti.gov/servlets/purl/1484199.
@article{osti_1484199,
title = {Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof},
author = {Bloomfield, Aaron J. and Sheehan, Stafford W. and Collom, Samuel L. and Crabtree, Robert H. and Anastas, Paul T.},
abstractNote = {Catalysts prepared from abundant, cost effective metals, such as cobalt, nickel, chromium, manganese, iron, and copper, and containing one or more neutrally charged ligands (e.g., monodentate, bidentate, and/or polydentate ligands) and methods of making and using thereof are described herein. Exemplary ligands include, but are not limited to, phosphine ligands, nitrogen-based ligands, sulfur-based ligands, and/or arsenic-based ligands. In some embodiments, the catalyst is a cobalt-based catalyst or a nickel-based catalyst. The catalysts described herein are stable and active at neutral pH and in a wide range of buffers that are both weak and strong proton acceptors. While its activity is slightly lower than state of the art cobalt-based water oxidation catalysts under some conditions, it is capable of sustaining electrolysis at high applied potentials without a significant degradation in catalytic current. This enhanced robustness gives it an advantage in industrial and large-scale water electrolysis schemes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {9}
}

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