2004
DOI: 10.1016/j.jpowsour.2003.12.023
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Recent progress in passive direct methanol fuel cells at KIST

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Cited by 173 publications
(73 citation statements)
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“…Operating the cell without the SC (both GDEs were fixed on the same Nafion® 212 membrane) gave the best performance with 38(5) mW cm -2 maximum. This value is quite comparable to literature data for passive DMFCs, but for a semi-passive DMFC it seems to be worse [10,[14][15][16][17]. A reason for this might be that the GDE was not hot-pressed with the membrane and therefore the contact between them is not at its optimum.…”
Section: Results For the Current-voltage Characteristicssupporting
confidence: 85%
“…Operating the cell without the SC (both GDEs were fixed on the same Nafion® 212 membrane) gave the best performance with 38(5) mW cm -2 maximum. This value is quite comparable to literature data for passive DMFCs, but for a semi-passive DMFC it seems to be worse [10,[14][15][16][17]. A reason for this might be that the GDE was not hot-pressed with the membrane and therefore the contact between them is not at its optimum.…”
Section: Results For the Current-voltage Characteristicssupporting
confidence: 85%
“…Up till now direct methanol fuel cells (DMFCs) have been the subject of the most development. [1][2][3] DMFCs have been technologically exploited for powering small portable electronic devices,h owever the toxicity of methanol, together with its flammability and high vapor pressure at room temperature severelyh ampered full technological exploitation.M oreover,m ethanol oxidation occurs via pathways involvingt he formation of adsorbed CO, which causes electrocatalyst poisoning and ultimately results in significant performance degradation.C onsequently,h igh loadings of PtRu/Ca lloy electrocatalysts are required to achieves ufficient performance. Additionally,c oncerns aboutt he overall energy efficiency of DMFCs have also been recently raised.…”
mentioning
confidence: 99%
“…Direct methanol and other fuel cell technologies have been advanced to the point of use in many demonstration projects that have built thousands of fuel cells in configurations that allow direct use in portable devices. Recent progress in fuel cell portable power applications has shown higher energy density than state-of-the-art batteries see e.g., [14][15][16].…”
Section: Recent Technological Progress Of Fuel Cellsmentioning
confidence: 99%