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HYBRID NANOMATERIALS

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Development of Hybrid Nanostructures for Photocatalysis and Fuel Cell Applicatio...

Development of Hybrid Nanostructures for Photocatalysis and Fuel Cell Applications The goal of this study is two-folds: first to develop a new class of catalytic nanostructures based on semiconductor-metal hybrid composites and then to optimize their performance as fuel cell electrocatalysts. Presently, the comm... ver más

31/03/2014

BGU

100K€

Presupuesto del proyecto: 100K€

Líder del proyecto

BENGURION UNIVERSITY OF THE NEGEV No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2014-03-31 No tenemos la información de la convocatoria

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1 Participantes

BGU

0.00€ | Lider

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Líder del proyecto

BENGURION UNIVERSITY OF THE NEGEV No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 100K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The goal of this study is two-folds: first to develop a new class of catalytic nanostructures based on semiconductor-metal hybrid composites and then to optimize their performance as fuel cell electrocatalysts. Presently, the commercial use of fuel cells is not yet viable due to the inefficiency of the required four electron reduction of adsorbed oxygen species at the cell cathode. This deficiency poses a fundamental challenge to the commercialization of fuel cell technologies. Several electrocatalytic metals have been employed to facilitate this oxygen reduction reaction (ORR), with platinum and platinum based alloys exhibiting the highest catalytic activity. Despite the use of platinum catalysts, the electron-transfer kinetics at the fuel cell cathode is still languid. In addition, platinum is an expensive precious metal, therefore, to achieve large-scale development and commercialization of fuel cells, it is essential that an alternative catalytic material is manufactured. To address this issue, we propose to design a novel catalytic structure which is comprised of a metal anchored onto a semiconductor body. This semiconductor-metal composite structure will take advantage of the intrinsic electron-transfer mechanisms within semiconductors and couple that with the catalytic activity of metals, yielding an electrocatalyst which provides excellent catalytic performance and cost-effectiveness. Fundamentally, this work will broaden our understanding of various essential parameters, such as material composition (the semiconductor and the metal), electron-transfer dynamics (i.e., electrochemical, photochemical), morphology of the nanostrucutres, as well as crystallinity, which impact the performance of an electrocatalyst. Such a fundamental framework is critical in the optimization of catalytic activity and thus will provide invaluable insights which will benefit the development of fuel cell technology.

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