Comparison of different types of membrane in alkaline direct ethanol fuel cells

An, Liang; Zhao, Tianshou; Wu, Qingyin; Zeng, Lin

doi:10.1016/j.ijhydene.2012.06.105

Cited by 75 publications

(38 citation statements)

References 39 publications

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“…All the relevant transport properties and source terms involved in the governing equations are listed in Tables 1-4 [15,[23][24][25][26][27][28][29].…”

Section: Governing Equationsmentioning

confidence: 99%

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Transient investigation of passive alkaline membrane direct methanol fuel cell

Wang

Zhou

et al. 2016

Applied Thermal Engineering

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“…All the relevant transport properties and source terms involved in the governing equations are listed in Tables 1-4 [15,[23][24][25][26][27][28][29].…”

Section: Governing Equationsmentioning

confidence: 99%

“…Electronic conductivity in porous layers κ s = 750 S m −1 Membrane conductivity at 313 K [24] κ m = 4 15 . S m −1 Relative permeability in liquid and gas phase [25] k s…”

Section: Parametermentioning

confidence: 99%

Transient investigation of passive alkaline membrane direct methanol fuel cell

Wang

Zhou

et al. 2016

Applied Thermal Engineering

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“…6.10. Hou et al [222][223][224] have prepared AEM by doping of PBI with KOH and tested the membranes in a direct methanol single cell, while the permeability of ethanol through PBI has been studied [225], as well as the performance of DEFC using PBI [226,227]. Nafion membranes, modified by dipping in concentrated NaOH or KOH solution, were used in alkaline DEFC [228,229].…”

Section: Anion Exchange Membranes For Alkaline Dafcmentioning

confidence: 99%

“…The methanol permeability of all these PVA organic and inorganic are in the range of 10 À6 -10 À7 cm 2 .s À1 , that is, lower than Nafion membranes. Alkali doped PBI membranes have been studied with ionic conductivities between 16 and 23 mS.cm À1 at room temperature [222][223][224][225], which increases up to 34 mS. cm À1 at 60 C [225]. PBI has very low conductivity in deionizated water because of the lack of ionic groups, but conductivity increases almost linearly with the alkaline concentration till reach a maximum about 7 M NaOH [225], and decrease slightly at [207] and [209] with permission) higher concentration.…”

Section: Quaternized Impregnated and Alkali-doped Anion Exchange Memmentioning

confidence: 99%

“…Curiously, most of the alkali doped PBI membranes were studied in relation to its performance in DEFC, being the methanol and ethanol permeabilities, in the range 0.86-6.5 10 À7 cm 2 .s À1 , lower than for Nafion [222,223,225,493]. Recently, Yan et al [221] introduced imidazole group in a polysulfone polymer reaching IEC in the range 0.78-2.19 mmol.g À1 , and ionic conductivities up to 53 mS.cm À1 at 20 C for the membrane with the highest IEC, while the methanol permeability increases with the charge content and range between 0.8 and 4.7 10 -7 cm 2 .s À1 .…”

Section: Quaternized Impregnated and Alkali-doped Anion Exchange Memmentioning

confidence: 99%

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Membranes for Direct Alcohol Fuel Cells

Corti

2013

Direct Alcohol Fuel Cells

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This chapter is devoted to summarize and discuss the main properties of ionomeric membranes used in direct alcohol PEM fuel cells. Although Nafion is the proton exchange membrane commonly used in methanol and other direct alcohol fuel cells, other proton and alkaline membranes are being investigated in order to improve the efficiency of DAFC. The goals in the development of this critical component of DAFC are: low cost, long durability, low alcohol permeability and high electrical conductivity. The last two properties can be combined in a single parameter, the membrane selectivity that accounts for the ratio between the proton and alcohol transport through the membrane. This parameter can be compared to that measured for Nafion to define a relative selectivity, which is a primary parameter to evaluate the potentiality of a ionomer material to be used in alcohol feed fuel cells.The vast catalogue of polymeric materials reviewed here included Nafion composite with inorganic and organic fillers, and non-fluorinated proton conducting membranes such as sulfonated polyimides, poly(arylene ether)s, polysulfones, poly (vinyl alcohol), polystyrenes, and acid-doped polybenzimidazoles. Anionexchange membranes are also discussed because of the facile electro-oxidation of alcohols in alkaline media and because of the minimization of alcohol crossover in alkaline direct alcohol fuel cells.The performance of different types of membranes in direct alcohol fuel cells, mainly methanol, are summarized and discussed in order to identify the most promissory ones. The lack of correlation between the relative selectivity and fuel cell performance of the membranes indicates that the architecture of the three

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Direct Hydrocarbon Low‐temperature Fuel Cell

Mukherjee

Basu

2017

Electrocatalysts for Low Temperature Fuel Cells

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Comparison of different types of membrane in alkaline direct ethanol fuel cells

Cited by 75 publications

References 39 publications

Transient investigation of passive alkaline membrane direct methanol fuel cell

Transient investigation of passive alkaline membrane direct methanol fuel cell

Membranes for Direct Alcohol Fuel Cells

Direct Hydrocarbon Low‐temperature Fuel Cell

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