Short-period segmented-in-series solid oxide fuel cells on flattened tube supports

Manoj R. Pillai; Dan Gostovic; Ilwon Kim; Scott A. Barnett

doi:10.1016/j.jpowsour.2006.09.079

Short-period segmented-in-series solid oxide fuel cells on flattened tube supports

Manoj R. Pillai, Dan Gostovic, Ilwon Kim, Scott A. Barnett^*

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

Segmented-in-series solid oxide fuel cells (SIS-SOFCs) were prepared on flattened-tube partially stabilized zirconia supports. The distinguishing characteristic of these cells was the short repeat period, 2.4 mm, and small active cell length, 1.3 mm, compared to ≈10 mm in previous SIS-SOFCs. The support tubes, formed by gelcasting, were bisque fired and then screen printing was used to sequentially deposit Ni-YSZ anodes, YSZ electrolytes, and Pt-YSZ composite interconnects. After high-temperature co-firing, LSM-YSZ and LSM cathode layers were screen printed and fired. Each flattened tube side had 12-16 individual cells. For testing, the open tube ends were sealed and humidified hydrogen flowed inside of the tubes; air was flowed over the outside of the tubes. Maximum total power at 800 °C was ≈8 W and maximum power density was ≈0.7 W cm^-2, calculated using cell active area. Good stability was observed during a ≈650 h steady-state test. Excellent stability was also observed over ≈20 redox cycles.

Original language	English (US)
Pages (from-to)	960-965
Number of pages	6
Journal	Journal of Power Sources
Volume	163
Issue number	2
DOIs	https://doi.org/10.1016/j.jpowsour.2006.09.079
State	Published - Jan 1 2007

Keywords

Gelcasting
Multi-cell stack
Redox cycling
Screen printing
Segmented-in-series
Solid oxide fuel cells

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jpowsour.2006.09.079

Cite this

@article{a49a0a7c8982489b87667671dfa058c3,

title = "Short-period segmented-in-series solid oxide fuel cells on flattened tube supports",

abstract = "Segmented-in-series solid oxide fuel cells (SIS-SOFCs) were prepared on flattened-tube partially stabilized zirconia supports. The distinguishing characteristic of these cells was the short repeat period, 2.4 mm, and small active cell length, 1.3 mm, compared to ≈10 mm in previous SIS-SOFCs. The support tubes, formed by gelcasting, were bisque fired and then screen printing was used to sequentially deposit Ni-YSZ anodes, YSZ electrolytes, and Pt-YSZ composite interconnects. After high-temperature co-firing, LSM-YSZ and LSM cathode layers were screen printed and fired. Each flattened tube side had 12-16 individual cells. For testing, the open tube ends were sealed and humidified hydrogen flowed inside of the tubes; air was flowed over the outside of the tubes. Maximum total power at 800 °C was ≈8 W and maximum power density was ≈0.7 W cm-2, calculated using cell active area. Good stability was observed during a ≈650 h steady-state test. Excellent stability was also observed over ≈20 redox cycles.",

keywords = "Gelcasting, Multi-cell stack, Redox cycling, Screen printing, Segmented-in-series, Solid oxide fuel cells",

author = "Pillai, {Manoj R.} and Dan Gostovic and Ilwon Kim and Barnett, {Scott A.}",

note = "Funding Information: The authors thank Tammy Lai, Yi Jiang, Nikkia McDonald, and Negar Mansourian for useful discussions and help with the experimental work. The authors also thank Scott Swartz, Bill Dawson, Mick Day, Ed Sabolsky, Anil Prem, and Dan Kearl for a fruitful collaboration on the segmented-in-series SOFC design and materials. The authors gratefully acknowledge the financial support of the Advanced Technology Program and a Department of Energy Phase II SBIR grant.",

year = "2007",

month = jan,

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doi = "10.1016/j.jpowsour.2006.09.079",

language = "English (US)",

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T1 - Short-period segmented-in-series solid oxide fuel cells on flattened tube supports

AU - Pillai, Manoj R.

AU - Gostovic, Dan

AU - Kim, Ilwon

AU - Barnett, Scott A.

N1 - Funding Information: The authors thank Tammy Lai, Yi Jiang, Nikkia McDonald, and Negar Mansourian for useful discussions and help with the experimental work. The authors also thank Scott Swartz, Bill Dawson, Mick Day, Ed Sabolsky, Anil Prem, and Dan Kearl for a fruitful collaboration on the segmented-in-series SOFC design and materials. The authors gratefully acknowledge the financial support of the Advanced Technology Program and a Department of Energy Phase II SBIR grant.

PY - 2007/1/1

Y1 - 2007/1/1

N2 - Segmented-in-series solid oxide fuel cells (SIS-SOFCs) were prepared on flattened-tube partially stabilized zirconia supports. The distinguishing characteristic of these cells was the short repeat period, 2.4 mm, and small active cell length, 1.3 mm, compared to ≈10 mm in previous SIS-SOFCs. The support tubes, formed by gelcasting, were bisque fired and then screen printing was used to sequentially deposit Ni-YSZ anodes, YSZ electrolytes, and Pt-YSZ composite interconnects. After high-temperature co-firing, LSM-YSZ and LSM cathode layers were screen printed and fired. Each flattened tube side had 12-16 individual cells. For testing, the open tube ends were sealed and humidified hydrogen flowed inside of the tubes; air was flowed over the outside of the tubes. Maximum total power at 800 °C was ≈8 W and maximum power density was ≈0.7 W cm-2, calculated using cell active area. Good stability was observed during a ≈650 h steady-state test. Excellent stability was also observed over ≈20 redox cycles.

AB - Segmented-in-series solid oxide fuel cells (SIS-SOFCs) were prepared on flattened-tube partially stabilized zirconia supports. The distinguishing characteristic of these cells was the short repeat period, 2.4 mm, and small active cell length, 1.3 mm, compared to ≈10 mm in previous SIS-SOFCs. The support tubes, formed by gelcasting, were bisque fired and then screen printing was used to sequentially deposit Ni-YSZ anodes, YSZ electrolytes, and Pt-YSZ composite interconnects. After high-temperature co-firing, LSM-YSZ and LSM cathode layers were screen printed and fired. Each flattened tube side had 12-16 individual cells. For testing, the open tube ends were sealed and humidified hydrogen flowed inside of the tubes; air was flowed over the outside of the tubes. Maximum total power at 800 °C was ≈8 W and maximum power density was ≈0.7 W cm-2, calculated using cell active area. Good stability was observed during a ≈650 h steady-state test. Excellent stability was also observed over ≈20 redox cycles.

KW - Gelcasting

KW - Multi-cell stack

KW - Redox cycling

KW - Screen printing

KW - Segmented-in-series

KW - Solid oxide fuel cells

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Short-period segmented-in-series solid oxide fuel cells on flattened tube supports

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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