Penyediaan himpunan membran elektrod untuk sel fuel asid formik berprestasi tinggi

Translated title of the contribution: Preparation of membrane electrode assembly for high performance of formic acid fuel cell

Research output: Contribution to journalArticle

Abstract

This study is focused on development of membrane electrode assembly (MEA) for direct formic acid fuel cell (DFAFC). The effects of the backing layer, the loading of the gas diffusion layer (GDL), the carbon structures and the electrolyte membrane types, and fuel concentrations on the DFAFC’s performance are investigated. Two types of backing layer are used in either a carbon paper (CP) or carbon cloth (CC) form, and three different types of carbon structures, carbon black (CB), carbon nanofiber (CNF) and carbon nanotube (CNT), are studied. A single cell DFAFC is tested to obtain the performance of the MEA, including the open circuit potential (OCP), current density, and power density. From the results, carbon paper indicates a much better performance than carbon cloth and gas diffusion layer (GDL) with 1 mg cm -2 loading shows a uniform surface morphology under scanning electron microscopy (SEM) and records a higher power density than 2.5 mg cm-2. Moreover, it is found that the power density increases with increase of the formic acid concentration up to an optimum concentration. However, the optimum fuel concentrations are different for each type of carbon structure. The highest power density is obtained using a combination of CNT and electrolyte membrane of Nafion 117 at 18.36 mW cm-2 using 10 M fuel concentration.

Original languageMalay
Pages (from-to)678-686
Number of pages9
JournalMalaysian Journal of Analytical Sciences
Volume20
Issue number3
DOIs
Publication statusPublished - 2016

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Formic acid fuel cells (FAFC)
Carbon
Membranes
Electrodes
Carbon Nanotubes
formic acid
Diffusion in gases
Electrolytes
Soot
Carbon nanofibers
Surface morphology
Current density
Scanning electron microscopy
Networks (circuits)

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Penyediaan himpunan membran elektrod untuk sel fuel asid formik berprestasi tinggi. / Aslam, Norraihanah Mohamed; Mastar @ Masdar, Mohd Shahbudin; Kamarudin, Siti Kartom.

In: Malaysian Journal of Analytical Sciences, Vol. 20, No. 3, 2016, p. 678-686.

Research output: Contribution to journalArticle

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