@inproceedings{e214fad62c184136be10bf703a5cd0f9,
title = "Polyvinyl alcohol/carbon nano-tube/potassium hydroxide electrolytes for direct methanol alkaline fuel cells",
abstract = "This study reports the cell performance of direct methanol alkaline fuel cells (DMAFCs) employing hydroxide conducting membranes. The membrane electrode assemblies (MEA) consisted of carbon-supported platinum/ruthenium for anode, platinum for cathode, and poly(vinyl alcohol) (PVA)/carbon nano-tube (CNT)/KOH membranes as polymer electrolytes. The CNT was grafted with PVA chains and PVA/CNT composite membranes were prepared using a direct mixing process and solution casting method. The aggregated hydrophilic regimes of CNT served as hydroxide-conducting micro-channels and increased the ionic conductivity of the KOH-doped PVA/CNT films. The electrolyte with CNT exhibited higher maximum power density and could be operated at a higher current density due to the reduction in methanol crossover. The maximum power density and open-circuit voltage was monitored for DMAFCs at various operating conditions. The effects of methanol concentration, methanol/KOH ratio and operating temperature on the cell performance were determined and discussed with the electrolyte characteristics.",
keywords = "Cell performance, Conductivity, Direct methanol alkaline fuel cells, Methanol cross-over, Nano-composites",
author = "Lue, {Shingjiang Jessie} and Liu, {Ying Ling} and Pan, {Wen Han}",
year = "2010",
language = "英语",
isbn = "9781632660756",
series = "7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010",
publisher = "ACCM-7 Organizing Committee",
pages = "301--303",
booktitle = "7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010",
note = "7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010 ; Conference date: 15-11-2010 Through 18-11-2010",
}