Mixed-reactant, micro-tubular solid oxide fuel cells: An experimental study

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Mixed-reactant, micro-tubular solid oxide fuel cells: An experimental study. / Akhtar, Naveed; Decent, Stephen; Loghin, Daniel; Kendall, Kevin.

In: Journal of Power Sources, Vol. 193, No. 1, 01.08.2009, p. 39-48.

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@article{395bffcc2b2644bdb41fee416108834c,
title = "Mixed-reactant, micro-tubular solid oxide fuel cells: An experimental study",
abstract = "Anode-supported, micro-tubular solid oxide fuel cells were prepared and operated, utilizing mixed-reactant (methane and air mixture) supply. The cells were composed of conventional materials, i.e. nickel, yttria-stabilized zirconia (Ni-YSZ) as anode supported Material, yttria-stabilized zirconia (YSZ) as electrolyte, and lanthanum strontium manganite (LSM) as cathode material. The cells were operated at various temperatures in between 550 and 800 degrees C with varying methane/air ratio (1:1-1:4.76). Cell performance Was found to be strongly dependent on flow Fate and mixing ratio. At 750 degrees C, the maximum open circuit voltage (OCV) of the cell was 1.05 V at a methane/air ratio of 1:4.76, with a maximum power output of 122 mW cm(-2). The degradation test shows 0.05% performance loss per 24h, thereafter, fluctuations in current density were observed clue to oxidation-reduction cycles over nickel surface. It is therefore concluded that although the methane/air ratio of 1:4.76 gives the best performance but the long-term performance is not guaranteed under Such conditions. (C) 2009 Elsevier B.V. All rights reserved.",
keywords = "Solid oxide fuel cell, Micro-tubular, Mixed-reactant, Single-chamber, Air-fuel mixture",
author = "Naveed Akhtar and Stephen Decent and Daniel Loghin and Kevin Kendall",
year = "2009",
month = aug,
day = "1",
doi = "10.1016/j.jpowsour.2009.01.032",
language = "English",
volume = "193",
pages = "39--48",
journal = "Journal of Power Sources",
issn = "0378-7753",
publisher = "Elsevier",
number = "1",

}

RIS

TY - JOUR

T1 - Mixed-reactant, micro-tubular solid oxide fuel cells: An experimental study

AU - Akhtar, Naveed

AU - Decent, Stephen

AU - Loghin, Daniel

AU - Kendall, Kevin

PY - 2009/8/1

Y1 - 2009/8/1

N2 - Anode-supported, micro-tubular solid oxide fuel cells were prepared and operated, utilizing mixed-reactant (methane and air mixture) supply. The cells were composed of conventional materials, i.e. nickel, yttria-stabilized zirconia (Ni-YSZ) as anode supported Material, yttria-stabilized zirconia (YSZ) as electrolyte, and lanthanum strontium manganite (LSM) as cathode material. The cells were operated at various temperatures in between 550 and 800 degrees C with varying methane/air ratio (1:1-1:4.76). Cell performance Was found to be strongly dependent on flow Fate and mixing ratio. At 750 degrees C, the maximum open circuit voltage (OCV) of the cell was 1.05 V at a methane/air ratio of 1:4.76, with a maximum power output of 122 mW cm(-2). The degradation test shows 0.05% performance loss per 24h, thereafter, fluctuations in current density were observed clue to oxidation-reduction cycles over nickel surface. It is therefore concluded that although the methane/air ratio of 1:4.76 gives the best performance but the long-term performance is not guaranteed under Such conditions. (C) 2009 Elsevier B.V. All rights reserved.

AB - Anode-supported, micro-tubular solid oxide fuel cells were prepared and operated, utilizing mixed-reactant (methane and air mixture) supply. The cells were composed of conventional materials, i.e. nickel, yttria-stabilized zirconia (Ni-YSZ) as anode supported Material, yttria-stabilized zirconia (YSZ) as electrolyte, and lanthanum strontium manganite (LSM) as cathode material. The cells were operated at various temperatures in between 550 and 800 degrees C with varying methane/air ratio (1:1-1:4.76). Cell performance Was found to be strongly dependent on flow Fate and mixing ratio. At 750 degrees C, the maximum open circuit voltage (OCV) of the cell was 1.05 V at a methane/air ratio of 1:4.76, with a maximum power output of 122 mW cm(-2). The degradation test shows 0.05% performance loss per 24h, thereafter, fluctuations in current density were observed clue to oxidation-reduction cycles over nickel surface. It is therefore concluded that although the methane/air ratio of 1:4.76 gives the best performance but the long-term performance is not guaranteed under Such conditions. (C) 2009 Elsevier B.V. All rights reserved.

KW - Solid oxide fuel cell

KW - Micro-tubular

KW - Mixed-reactant

KW - Single-chamber

KW - Air-fuel mixture

U2 - 10.1016/j.jpowsour.2009.01.032

DO - 10.1016/j.jpowsour.2009.01.032

M3 - Article

VL - 193

SP - 39

EP - 48

JO - Journal of Power Sources

JF - Journal of Power Sources

SN - 0378-7753

IS - 1

ER -