Realpe Jimenez Alvaro
8 Papers
7 Citations
Realpe Jimenez Alvaro is an academic researcher. The author has contributed to research in topics: Membrane & Proton exchange membrane fuel cell. The author has an hindex of 3, co-authored 8 publications.
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Papers
Effect of Cu on optical properties of TiO2 nanoparticles
TL;DR: In this article, the effect of Cu on optical properties of TiO2 nanoparticles to shift its absorption edge toward visible light region was studied, and the synthesized material was characterized by Fourier transform infrared spectroscopy (FT-IR), Scanning electron microscopy (SEM), Energy Dispersive Spectrograph (EDS), and UV-VIS diffuse reflectance spectrographic (UV-Vis/RDS).
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Impedance analysis of TiO2 nanoparticles prepared by green chemical mechanism
TL;DR: In this article, the electrical properties of TiO2 thin films deposited by doctor blade method has been investigated by impedance spectroscopy study and analyzed as a function of bias, temperature and frequency.
Pem fuel cell performance assessment using exergoeconomics analysis
Baldiris-Navarro Ildefonso,Acosta-Jimenez Juan,Mendoza Beltran Dina,Fajardo-Cuadro Juan,Realpe Jimenez Alvaro,E Tibaquira Juan +5 more
TL;DR: In this paper, an exergoeconomic analysis of a PEM fuel cell using a styrene ethylene propylene styrene (seps) copolymer synthetized membrane was performed.
Synthesis of a proton exchange membrane from polyvinyl alcohol (PVA) modified with Va2O5 for fuel cells
Realpe Jimenez Alvaro,Gomez Castro Alfonso,Paredes Gedeon Carlos,Acevedo Morantes Maria,Reyes Maria,Cortes Sierra Maria,Puello Alvaro,De Pombo Maria,Correa Juan,Ballestero Karina +9 more
TL;DR: In this paper, the authors synthesized polyvinyl alcohol copolymer (PVA) crosslinked with potassium hydroxide (KOH) and formaldehyde (CH2O), and loaded with vanadium pentoxide in amounts of 0.5%, 1.0% and 1.5% to evaluate their application in fuel cells.
Level control in a system of tanks in interacting mode using Xcos software
TL;DR: Simulation of level control of tank 1 using integral proportional controller (PID) reached steady state faster than proportional (P) and proportional integral (PI) controllers, and it is observed that error and steady state time decrease with increasing the value of proportional gain for simulation using proportional controller.