Edgar Eduardo Valenzuela Mondaca

Universidad Autónoma de Baja California
Investigador
Baja California
Académico - Investigador

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Título:

Sustainable application of pecan nutshell waste: Greener synthesis of Pd-based nanocatalysts for electro-oxidation of methanol

Autor:

Edgar Eduardo Mondaca

Resumen:

Palladium-based electrocatalysts are widely used in alkaline direct alcohol fuel cells. The synthesis and characterization of carbon-supported bimetallic nanoparticles (NP) of AuPd and AgPd is described using pecan nutshell extract (Carya illinoinensis) which serves as both, reducing and the stabilizing agent...

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Charge Transport Improvement in Nafion Membrane by Simoultaneous Microwave Synthesis and Deposition of YSZ

Autor:

Edgar Eduardo Mondaca

Resumen:

The improvement of water retention properties of Nafion membranes is a key feature that could simplify its operation and increase the reliability of Proton Exchange Membrane Fuel Cells (PEMFC). In this work, nanostructured YSZ was synthesized in a microwave reactor and their properties were evaluated by TEM a...

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Título:

Influence of TiO 2 as Filler on the Discharge Characteristics of a Proton Battery

Autor:

Edgar Eduardo Mondaca

Resumen:

Different concentrations of TiO2 dispersed nano-composite proton conducting polymer electrolyte membranes were prepared using solution casting technique. Fourier Transform Infrared Spectroscopic analysis was carried out to determine the vibrational investigations about the prepared membranes. Variation of con...

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Photohole Trapping Induced Platinum Cluster Nucleation on the Surface of TiO 2 Nanoparticles

Autor:

Edgar Eduardo Mondaca

Resumen:

The photocurrent response of TiO2 nanoparticles synthesized via the sol–gel process was studied in the presence of methanol, ethanol, and isopropanol. The nanocrystalline nature of photoelectrodes showed an important photocurrent in the presence of alcohol following the order methanol ≈ ethanol > isopr...

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