Performance of La0.75Sr0.25Cr0.5Mn0.5O3−δ perovskite-structure anode material at lanthanum gallate electrolyte for IT-SOFC running on ethanol fuel

Huang, Bo; Wang, S.R.; Liu, R.Z.; Ye, X.F.; Nie, Hongjiao; Sun, Xiufu; Wen, Tian

doi:10.1016/j.jpowsour.2007.02.022

Cited by 65 publications

(24 citation statements)

References 25 publications

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“…Huang et al have studied the oxide anode (La,Sr)(Cr,Mn)O 3 with a La-gallate electrolyte [13]. As expected with such anode materials, the electro-chemical performances were poor (0.1 Wcm -2 at 800°C, H 2 O/EtOH = 2 by vol.).…”

Section: Introductionmentioning

confidence: 99%

“…There are several studies dedicated to the performance of SOFC fuelled with a mixture of water and ethanol [2,[11][12][13][14][15][16][17][18][19]. The first results were obtained with standard anode Nicermets, either as electrolyte supported cells [14] or as planar [12] and tubular [2] anode supported cells, all of them with small active areas (≤ 1 cm 2 ).…”

Section: Introductionmentioning

confidence: 99%

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Ethanol internal steam reforming in intermediate temperature solid oxide fuel cell

Diethelm¹,

herle²

2011

Journal of Power Sources

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This study investigates the performance of a standard Ni-YSZ anode supported cell under ethanol steam reforming operating conditions. Therefore, the fuel cell was directly operated with a steam/ethanol mixture (3 to 1 molar). Other gas mixtures were also used for comparison to check the conversion of ethanol and of reformate gases (H 2 , CO) in the fuel cell. The electrochemical properties of the fuel cell fed with 4 different fuel compositions were characterized between 710 and 860°C by I-V and EIS measurements at OCV and under polarization. In order to elucidate the limiting processes, impedance spectra obtained with different gas compositions were compared using the derivative of the real part of the impedance with respect of the natural logarithm of the frequency.Results show that internal steam reforming of ethanol takes place significantly on Ni-YSZ anode only above 760°C. Comparisons of results obtained with reformate gas showed that the electrochemical cell performance is dominated by the conversion of hydrogen. The conversion of CO also occurs either directly or indirectly through the water-gas shift reaction but has a significant impact on the electrochemical performance only above 760°C.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ethanol internal steam reforming in intermediate temperature solid oxide fuel cell

Diethelm¹,

herle²

2011

Journal of Power Sources

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“…Nevertheless, synthesis temperatures of 1125°C [35] and 1000°C [36] have been mentioned, which are significantly higher than 900°C. Finally, for LSCM, heat-treatment temperatures of 1300°C, [28] 1200°C, [29] 1100°C [30] or 800°C [31] are reported for the preparation of a pure phase; most of them are still higher than 900°C.…”

Section: Discussionmentioning

confidence: 99%

A Versatile and Low‐Toxicity Route for the Production of Electroceramic Oxide Nanopowders

et al. 2008

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An alternative route to acrylamide gel polymerisation is presented for the preparation of oxide nanopowders. Within this method, cations first dissolved in an aqueous solution are subsequently trapped inside a 3D chelating gel before fast-drying, which leads to a stable precursor. Thermogravimetry and differential thermal analysis studies have been performed to determine the best calcination conditions. After calcination, the resulting powders have been characterised by X-ray diffraction, FEG-scanning electron

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“…LSCM decomposed into MnS, La 2 O 2 S, and MnOS phases when operated in 0.5% H 2 S-CH 4 for 120 h. [ 270 ] A LSM-supported SOFC single cell with LSCM anode achieved P max of 0.18-0.82 and 0.06-0.35 W cm 2 in wet H 2 and CH 4 , respectively. [ 271 ] A LSCM/LSGM (support)/praseodymium calcium manganite (PCM) single cell fed by C 2 H 5 OH showed modest P max of 0.06-0.16 W cm 2 at 750-850 ° C. [ 272 ] The wileyonlinelibrary.com www.MaterialsViews.com www.advenergymat.de SrTi 0.98 Nb 0.02 O 3 could achieve 55 S cm − 1 at 650 ° C. [ 301 ] When sintered in reducing atmospheres, the constructive role of Nb on the electrical conduction of Sr 0.94 Ti 0.9 Nb 0.1 O 3 changed from the Sr vacancy type to the electronic type. [ 302 ] Sr 0.94 Ti 0.9 Nb 0.1 O 3 is chemically compatible with YSZ up to 1250 ° C. Both R Ω and R p only slightly increased after 19 redox cycles between wet air and wet H 2 .…”

Section: Titanatementioning

confidence: 99%

Solid Oxide Fuel Cell Anode Materials for Direct Hydrocarbon Utilization

Chan

Liu

et al. 2012

Advanced Energy Materials

280

159

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Solid oxide fuel cells (SOFC) are highly efficient energy conversion devices with the advantage of directly utilizing hydrocarbon fuels. Starting with a short introduction about the fuel challenges and early achievements in this field, this review paper focuses on advances in oxygen‐ion conducting electrolyte‐based SOFC during the last 15 years. Robust anodes immune to carbon deposition are a prerequisite for direct hydrocarbon SOFC. In this paper, direct hydrocarbon SOFC anode materials are classified into three general categories: Ni‐cermet, Cu‐cermet, and oxide‐based anodes. Oxide anodes are further classified in terms of their crystalline structures, namely fluorite, rutile, tungsten bronze, pyrochlore, perovskite, and double perovskite. Achievements and recent advances on these SOFC anodes are reviewed and discussed. The concluding remarks summarize the pros and cons of direct hydrocarbon SOFC anode materials along with the perspective of future research trends.

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Performance of La0.75Sr0.25Cr0.5Mn0.5O3−δ perovskite-structure anode material at lanthanum gallate electrolyte for IT-SOFC running on ethanol fuel

Cited by 65 publications

References 25 publications

Ethanol internal steam reforming in intermediate temperature solid oxide fuel cell

Ethanol internal steam reforming in intermediate temperature solid oxide fuel cell

A Versatile and Low‐Toxicity Route for the Production of Electroceramic Oxide Nanopowders

Solid Oxide Fuel Cell Anode Materials for Direct Hydrocarbon Utilization

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