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MESOPOROUS METAL OXIDES, PREPARATION AND APPLICATIONS THEREOF

United States Patent Application

20170349447
A1
View the Complete Application at the US Patent & Trademark Office
This disclosure provides a unique approach for the synthesis of non-stoichiometric, mesoporous metal oxides with nano-sized crystalline wall. The as-synthesized mesoporous metal oxide is very active and stable (durability>11 h) electocatalyst in both acidic and alkaline conditions. The intrinsic mesoporous metal oxide serves as an electrocatalyst without the assistant of carbon materials, noble metals, or other materials, which are widely used in previously developed systems. The as-synthesized mesoporous metal oxide has large accessible pores (2-50 nm), which are able to facilitate mass transport and charge transfer. The as-synthesized mesoporous metal oxide requires a low overpotential and is oxygen deficient. Oxygen vacancies and mesoporosity served as key factors for excellent performance.
Suib, Steven L. (Storrs, CT)
15/ 600,432
May 19, 2017
STATEMENT OF FEDERAL FUNDING [0002] This invention was made with government support under Grant DE-FG02-86ER13622.A000 awarded by U.S. Department of Energy. The government has certain rights in the invention.