Next Article in Journal
An Improved Droop Control Strategy Based on Changeable Reference in Low-Voltage Microgrids
Next Article in Special Issue
Performance of an Active Micro Direct Methanol Fuel Cell Using Reduced Catalyst Loading MEAs
Previous Article in Journal
Hygrothermal Dynamic and Mould Growth Risk Predictions for Concrete Tiles by Using Least Squares Support Vector Machines
Article Menu
Issue 8 (August) cover image

Export Article

Open AccessArticle
Energies 2017, 10(8), 1094; https://doi.org/10.3390/en10081094

Numerical Investigations of the Combined Effects of Flow Rate and Methanol Concentration on DMFC Performance

1
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China
2
College of Science, Shanghai Institute of Technology, Shanghai 201418, China
*
Author to whom correspondence should be addressed.
Academic Editor: Francesco Lufrano
Received: 6 June 2017 / Revised: 7 July 2017 / Accepted: 13 July 2017 / Published: 26 July 2017
(This article belongs to the Special Issue Direct Alcohol Fuel Cells 2018)
Full-Text   |   PDF [5656 KB, uploaded 4 August 2017]   |  

Abstract

A modified 3D numerical model on the energy conversion process in the anode side of a Direct Methanol Fuel Cell (DMFC) system was constructed and validated to published experimental results. Systematic simulations were performed to investigate the underlying mechanisms of the energy conversion process, and the combined effects of inlet flow rate and input methanol concentration were summarized systematically. The increase of flow rate was found to be an effective strategy to accelerate the internal flow fields, while the diffusion layer was proposed to be a critical component in the design of high-performance DMFC. The frontier for optimal conditions of DMFC’s output was also determined, which can be helpful to improve the energy conversion performance of DMFC in practical applications. View Full-Text
Keywords: direct methanol fuel cell; energy conversion; multi-phase flow; oxygen availability direct methanol fuel cell; energy conversion; multi-phase flow; oxygen availability
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Hu, X.; Wang, X.; Chen, J.; Yang, Q.; Jin, D.; Qiu, X. Numerical Investigations of the Combined Effects of Flow Rate and Methanol Concentration on DMFC Performance. Energies 2017, 10, 1094.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Energies EISSN 1996-1073 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top