Influence of the temperature and the concentration of methanol on a direct methanol fuel cell

Journals

Title：
Influence of the temperature and the concentration of methanol on a direct methanol fuel cell
Author：
Mihoub Medkour, Toufik bensana
Author Affiliation：
Laboratoire des Aéronefs, Université SAAD DAHLAB de Blida 1, Blida, Algeria.
Received：Mar.3, 2023
Accepted：May.15, 2023
Published：May.23, 2023

Abstract

A one-dimensional mathematical model, which permits semi-empirical prediction of the overall performance of a direct methanol gas telephone (DMFC) has exceptional temperatures for a proton change membrane by using the usage of parameters acquired from the classical characterization techniques is presented. The strategies conventionally used are characterised as follows: the impedance spectroscopy (proton conductivity), water absorption (water absorption), the perevaporation (methanol permeability and water) and gasoline permeation experiments (permeability to oxygen, nitrogen and carbon dioxide). This mannequin was once validated experimentally the use of the outcomes got with membranes Poly (vinylidene fl uoride-hexa fluorine opropylene) (PVdF-HFP) / Nafion ionomer / aluminum oxy hydroxide organized through segment inversion method [1]. The mannequin precisely anticipated the polarization curves and DMFC overall performance in phrases of open circuit voltage and the cutting-edge density, the attention of methanol and water in accordance to the residences of the membrane effectively. This information affirm that the simulator can effectively predict the DMFC performance, the usage of the basic characterization statistics as mannequin enters parameters.

Keywords

Passive direct methanol fuel cell, modeling, methanol crossover, water crossover.

Doi

https://doi.org/10.58396/aee020105

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