Mexican contributions for the improvement of electrocatalytic properties for the oxygen reduction reaction in PEM fuel cells

H Cruz-Martínez, MM Tellez-Cruz… - international journal of …, 2019 - Elsevier
Like the rest of the world, Mexico faces severe environmental challenges due to its energy
dependence on fossil fuels, for that reason Mexican researchers have conducted studies …

Synthesis of supported Pt nanoparticles by sonication for ORR: Effect of the graphene oxide-carbon composite

B Ruiz-Camacho, JA Palafox-Segoviano… - International Journal of …, 2021 - Elsevier
Pt supported on graphene oxide (GO), reduced graphene oxide (RGO), carbon Vulcan (C)
and GO-C composite were prepared by using sonication as a simple synthesis method in …

Direct imaging of the atomic mechanisms governing the growth and shape of bimetallic Pt–Pd nanocrystals by in situ liquid cell STEM

W Dachraoui, MI Bodnarchuk, R Erni - ACS nano, 2022 - ACS Publications
Understanding the atomic mechanisms governing the growth of bimetallic nanoalloys is of
great interest for scientists. As a promising material for photocatalysis applications, Pt–Pd …

Understanding composition-dependent synergy of PtPd alloy nanoparticles in electrocatalytic oxygen reduction reaction

J Wu, S Shan, H Cronk, F Chang… - The Journal of …, 2017 - ACS Publications
Gaining an insight into the relationship between the bimetallic composition and catalytic
activity is essential for the design of nanoalloy catalysts for oxygen reduction reaction. This …

Graphene-carbon nanofiber hybrid supported Pt nanoparticles with enhanced catalytic performance for methanol oxidation and oxygen reduction

X Mu, Z Xu, Y Ma, Y **e, H Mi, J Ma - Electrochimica Acta, 2017 - Elsevier
Graphene-embedded carbon fiber (RGO-CF) and graphene/carbon fiber hybrid (RGO/CF)
are prepared and used as supports of Pt nanoparticles for electrocatalysis applications. The …

Merging metallic catalysts and sonication: A periodic table overview

CE Domini, MB Álvarez, GF Silbestri, G Cravotto… - Catalysts, 2017 - mdpi.com
This account summarizes and discusses recent examples in which the combination of
ultrasonic waves and metal-based reagents, including metal nanoparticles, has proven to be …

Seed-mediated growth of Ag@ Au nanodisks with improved chemical stability and surface-enhanced Raman scattering

SK Krishnan, R Esparza, FJ Flores-Ruiz… - ACS …, 2018 - ACS Publications
Bimetallic Ag@ Au nanoparticles (NPs) have received significant research interest because
of their unique optical properties and molecular sensing ability through surface-enhanced …

Ternary g-C3N4/NiOOH/Ag nanocomposite photocatalyst with efficient charges separation and high activity for H2 production

K Jiménez-Rangel, JE Samaniego-Benítez… - Fuel, 2020 - Elsevier
Abstract A ternary gC 3 N 4/NiOOH/Ag nanocomposite photocatalyst was synthesized using
a combination of chemical and photoreduction methods. Physical, chemical and optical …

Effect of X zeolite-carbon composite ratio as support of Pt nanoparticles for MOR and ORR

PJ Pérez-Díaz, A Medina-Ramírez, IRG Esquivel… - Ionics, 2021 - Springer
X zeolite-carbon composites as Pt supports with different mass ratios of 3: 1 (S1), 1: 1 (S2),
and 1: 3 (S3) were synthesized by sol-gel method. The catalytic performance of …

Effect of template, reaction time and platinum concentration in the synthesis of PtCu/CNT catalyst for PEMFC applications

YY Rivera-Lugo, MI Salazar-Gastélum… - Energy, 2018 - Elsevier
Ultra-low PtCu loading on carbon nanotubes (CNT) catalysts were synthesized by a novel
galvanic displacement (GD) method under sonication conditions. The influence of the type of …