Search Results - "Álvarez Contreras, Lorena"
-
1
Antibacterial and electrochemical evaluation of electrospun polyethersulfone/silver composites as highly persistent nanomaterials
Published in Polymer composites (01-03-2023)“…Silver‐based antibacterial nanoparticles have demonstrated indices of possible bacterial resistance after consecutive periods of time, limiting their…”
Get full text
Journal Article -
2
A Flow-Through Membraneless Microfluidic Zinc–Air Cell
Published in ACS applied materials & interfaces (16-09-2020)“…In this work, the proof of concept of a functional membraneless microfluidic Zn–air cell (μZAC) that operates with a flow-through arrangement is presented for…”
Get full text
Journal Article -
3
Manganese Oxides (Mn3O4 & α‐MnO2) as Co‐catalysts in Pd‐Based Nanomaterials for the Ethylene Glycol Electro‐Oxidation
Published in ChemElectroChem (29-03-2022)“…Incorporation of α‐MnO2 and Mn3O4 during the synthesis of Pd nanoparticles promoted better particle anchoring. Especially the Mn single spinel (Mn3O4)…”
Get full text
Journal Article -
4
Electrocatalytic Evaluation of Highly Stable Pt/ZrO2 Electrocatalysts for the Methanol Oxidation Reaction Synthesized Without the Assistance of Any Carbon Support
Published in ChemElectroChem (01-04-2019)“…Zirconium oxide has been proposed as an alternative to carbon supports due to its high electrochemical stability at high electrode potential values. However,…”
Get full text
Journal Article -
5
Zinc‐Air Battery Operated with Modified‐Zinc Electrodes/Gel Polymer Electrolytes
Published in ChemElectroChem (27-06-2022)“…Zinc‐air batteries (ZABs) have anodic challenges to overcome such as passivation, shape changes, and hydrogen evolution. In this work, zinc anodes were…”
Get full text
Journal Article -
6
Ethanol Electro‐oxidation in Aqueous and Poly(acrylic acid)‐Based Gel Alkaline Electrolytes, Varying the PdxAgy Composition by using Differential Pulse Amperometry
Published in ChemElectroChem (01-04-2018)“…In this work, we prepared a polymer gel based on poly (acrylic acid) partial potassium salt (PAA‐K) for its use as an electrolyte in the ethanol…”
Get full text
Journal Article -
7
Synthesis of a Small Amorphous PdMo/C Nanocatalyst and Pd Nanocubes Enclosed within (100) Planes and Their Use for Ethylene Glycol Electro–oxidation
Published in ChemElectroChem (01-03-2017)“…In this work, PdMo/C and Pd/C nanocubes were synthesized and used for the electro‐oxidation of ethylene glycol. The XRD patterns revealed that the Pd/C…”
Get full text
Journal Article -
8
Gel polymer electrolytes containing SiO2 spheres with tuned sizes to increase rechargeability of quasi-solid-state Zn-air batteries
Published in Electrochimica acta (20-12-2024)“…•Quasi-solid-state Zn-air batteries with high performance require interface modifications.•Gel polymer electrolytes (PVA/PAA) were obtained by incorporating…”
Get full text
Journal Article -
9
Rational design of nitrogen‒doped carbon nanotubes by defect engineering for Zn‒air batteries with high performance
Published in Carbon (New York) (01-02-2023)“…The rational design of N‒doped multi‒walled carbon nanotubes (MWCNT) by surface engineering was performed by changing the synthetic method, the nitrogen…”
Get full text
Journal Article -
10
Zn‒air battery operated with a 3DOM trimetallic spinel (Mn0.5Ni0.5Co2O4) as the oxygen electrode
Published in Electrochimica acta (20-09-2021)“…•A Trimetallic spinel with a 3DOM morphology was tested in a Zn-Air battery•Mn0.5Ni0.5Co2O4 3DOM spinel exhibits a similar half-wave potential than Pt…”
Get full text
Journal Article -
11
Gold structures on 3D carbon electrodes as highly active nanomaterials for the clean energy conversion of crude glycerol
Published in Electrochimica acta (20-10-2022)“…•The synthesis method (CV and DPA) promoted changed in electrodeposited Au.•Au DPA 2 presented 3D shapes rich in surface/crystalline defects.•Au DPA 2 had a jp…”
Get full text
Journal Article -
12
Direct Ethanol Membraneless Nanofluidic Fuel Cell With High Performance
Published in ChemistrySelect (Weinheim) (01-08-2016)“…An air‐breathing nanofluidic fuel cell (AB‐NFC) was evaluated using ethanol as the fuel. Two Pd electrocatalysts, one commercial (ETEK) and one synthesized (Pd…”
Get full text
Journal Article -
13
Defect Engineering of Oxygen Vacancies in Ultrathin NiFe-Layered Double Hydroxides: Insights from Density Functional Theory
Published in Journal of physical chemistry. C (14-03-2024)“…Defects and interface engineering in layered double hydroxides (LDH) are crucial for the rational search for functional electrocatalysts. Despite the known…”
Get full text
Journal Article -
14
Electrocatalytic evaluation of Co3O4 and NiCo2O4 rosettes-like hierarchical spinel as bifunctional materials for oxygen evolution (OER) and reduction (ORR) reactions in alkaline media
Published in Journal of electroanalytical chemistry (Lausanne, Switzerland) (15-08-2019)“…In this work, we have successfully synthetized Co3O4 spheres and NiCo2O4 rosettes by a simple chemical bath. The Ni incorporation to Co to form the NiCo2O4…”
Get full text
Journal Article -
15
High performance of Pd and PdAg with well‒defined facets in direct ethylene glycol microfluidic fuel cells
Published in Electrochimica acta (10-10-2019)“…The development of bimetallic nanomaterials with well‒defined facets is highly desired in electrocatalysis to improve the alcohols oxidation. In this work,…”
Get full text
Journal Article -
16
Synthesis and application of biogenic gold nanomaterials with {1 0 0} facets for crude glycerol electro-oxidation
Published in Fuel (Guildford) (01-11-2020)“…Gold nanomaterials obtained from black carrot extracts exhibit superior activity for crude glycerol electro-oxidation than gold nanoparticles obtained using…”
Get full text
Journal Article -
17
Three-Dimensional-Order Macroporous AB2O4 Spinels (A, B =Co and Mn) as Electrodes in Zn–Air Batteries
Published in ACS applied materials & interfaces (02-12-2020)“…In this work, atomically substituted three-dimensionally ordered macroporous (3DOM) spinels based on Co and Mn (MnCo2O4 and CoMn2O4) were synthetized and used…”
Get full text
Journal Article -
18
Effect of the SiO2 support morphology on the hydrodesulfurization performance of NiMo catalysts
Published in Journal of materials research (14-11-2018)“…To study the effects of the support morphology on the hydrodesulfurization (HDS) activity of NiMoS catalysts, ordered mesoporous SiO2 (KIT-6) and nonporous…”
Get full text
Journal Article -
19
Poly(Vinyl Alcohol)/Poly(Acrylic Acid) Gel Polymer Electrolyte Modified with Multi-Walled Carbon Nanotubes and SiO2 Nanospheres to Increase Rechargeability of Zn–Air Batteries
Published in Gels (12-09-2024)“…Zn–air batteries (ZABs) are a promising technology; however, their commercialization is limited by challenges, including those occurring in the electrolyte,…”
Get full text
Journal Article -
20
Electrocatalytic Promotion of Pt Nanoparticles by Incorporation of Ni(OH)2 for Glycerol Electro‐Oxidation: Analysis of Activity and Reaction Pathway
Published in ChemNanoMat : chemistry of nanomaterials for energy, biology and more (01-01-2019)“…In this work, the effect of Pt−Ni(OH)2 nanoparticles on the activity and reaction pathway of glycerol oxidation was studied. For this purpose, small Pt (4±0.2…”
Get full text
Journal Article