Optimization of hot pressing parameters in membrane electrode assembly fabrication by response surface method

Umi Azmah Hasran, Siti Kartom Kamarudin, Wan Ramli Wan Daud, Burhanuddin Yeop Majlis, Abu Bakar Mohamad, Abdul Amir H. Kadhum, M. M. Ahmad

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The aim of this research was to study the effect of the membrane electrode assembly fabrication factors on the performance of a passive micro direct methanol fuel cell by studying the hot pressing parameters. The MEA was prepared with a Nafion 117 membrane and porous electrodes having an active area of 1 cm2 with Pt and Pt/Ru catalysts of 8 mg cm-2 loading at the cathode side and anode side, respectively. The Design of Experiment work was performed with the Response Surface Method using the Central Composite Design. The One-factor-at-a-time method was used to select the significant level of factors for the DOE method, which are temperature in the range of 100-135 C and pressure in the range of 6.0-16.0 kgf cm-2. The results show that the proposed mathematical model in the Response Surface Method can be used adequately for prediction and optimization within the factor levels investigated. The combined optimum hot pressing parameters that gave the highest performance of 7.23 mW cm-2 predicted in this study are temperature 130 C and pressure 6 kgf cm-2.

Original languageEnglish
Pages (from-to)9484-9493
Number of pages10
JournalInternational Journal of Hydrogen Energy
Volume38
Issue number22
DOIs
Publication statusPublished - 26 Jul 2013

Fingerprint

hot pressing
Hot pressing
assembly
membranes
Membranes
Fabrication
Electrodes
fabrication
optimization
Direct methanol fuel cells (DMFC)
electrodes
Design of experiments
Anodes
Cathodes
Mathematical models
Temperature
Catalysts
experiment design
Composite materials
fuel cells

Keywords

  • Design of Experiment
  • DMFC
  • MEA
  • Nafion
  • Response surface method

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Optimization of hot pressing parameters in membrane electrode assembly fabrication by response surface method. / Hasran, Umi Azmah; Kamarudin, Siti Kartom; Wan Daud, Wan Ramli; Yeop Majlis, Burhanuddin; Mohamad, Abu Bakar; Kadhum, Abdul Amir H.; Ahmad, M. M.

In: International Journal of Hydrogen Energy, Vol. 38, No. 22, 26.07.2013, p. 9484-9493.

Research output: Contribution to journalArticle

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