Influence of reduced substrate shunting current on cell performance in integrated planar solid oxide fuel cells

Keonseok Oh, Joosun Kim, Sun Hee Choi, Daehee Lee, Jooho Moon

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Two-cell arrayed integrated planar solid oxide fuel cells (IP-SOFCs) were fabricated using a robo-dispensing method. Special emphasis was placed on the influence of reduced shunting current on cell performance. The resistivity of the substrate increased according to a mixture rule of composites by adding Al2O3 into the substrate of partially stabilized zirconia (PSZ). This strategy, which reduces shunting current through the substrate, enhances the power output. When the amount of Al2O3 added was more than 26 vol%, however, the Ni anode migrated into the PSZ substrate to react with Al2O3, which led to performance degradation. In the case of the two-cell arrayed IP-SOFC with a 20 vol%-Al2O 3 added to the PSZ substrate, a reduced shunting current loss improved the power density by 30% compared to that of the Al2O 3-free substrate.

Original languageEnglish
Pages (from-to)695-700
Number of pages6
JournalCeramics International
Volume38
Issue number1
DOIs
Publication statusPublished - 2012 Jan 1

Fingerprint

Solid oxide fuel cells (SOFC)
Substrates
Zirconia
Anodes
Degradation
Composite materials
zirconium oxide

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Oh, Keonseok ; Kim, Joosun ; Choi, Sun Hee ; Lee, Daehee ; Moon, Jooho. / Influence of reduced substrate shunting current on cell performance in integrated planar solid oxide fuel cells. In: Ceramics International. 2012 ; Vol. 38, No. 1. pp. 695-700.
@article{ad759df443eb4335b7a6b03d466e8d40,
title = "Influence of reduced substrate shunting current on cell performance in integrated planar solid oxide fuel cells",
abstract = "Two-cell arrayed integrated planar solid oxide fuel cells (IP-SOFCs) were fabricated using a robo-dispensing method. Special emphasis was placed on the influence of reduced shunting current on cell performance. The resistivity of the substrate increased according to a mixture rule of composites by adding Al2O3 into the substrate of partially stabilized zirconia (PSZ). This strategy, which reduces shunting current through the substrate, enhances the power output. When the amount of Al2O3 added was more than 26 vol{\%}, however, the Ni anode migrated into the PSZ substrate to react with Al2O3, which led to performance degradation. In the case of the two-cell arrayed IP-SOFC with a 20 vol{\%}-Al2O 3 added to the PSZ substrate, a reduced shunting current loss improved the power density by 30{\%} compared to that of the Al2O 3-free substrate.",
author = "Keonseok Oh and Joosun Kim and Choi, {Sun Hee} and Daehee Lee and Jooho Moon",
year = "2012",
month = "1",
day = "1",
doi = "10.1016/j.ceramint.2011.07.058",
language = "English",
volume = "38",
pages = "695--700",
journal = "Ceramics International",
issn = "0272-8842",
publisher = "Elsevier Limited",
number = "1",

}

Influence of reduced substrate shunting current on cell performance in integrated planar solid oxide fuel cells. / Oh, Keonseok; Kim, Joosun; Choi, Sun Hee; Lee, Daehee; Moon, Jooho.

In: Ceramics International, Vol. 38, No. 1, 01.01.2012, p. 695-700.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Influence of reduced substrate shunting current on cell performance in integrated planar solid oxide fuel cells

AU - Oh, Keonseok

AU - Kim, Joosun

AU - Choi, Sun Hee

AU - Lee, Daehee

AU - Moon, Jooho

PY - 2012/1/1

Y1 - 2012/1/1

N2 - Two-cell arrayed integrated planar solid oxide fuel cells (IP-SOFCs) were fabricated using a robo-dispensing method. Special emphasis was placed on the influence of reduced shunting current on cell performance. The resistivity of the substrate increased according to a mixture rule of composites by adding Al2O3 into the substrate of partially stabilized zirconia (PSZ). This strategy, which reduces shunting current through the substrate, enhances the power output. When the amount of Al2O3 added was more than 26 vol%, however, the Ni anode migrated into the PSZ substrate to react with Al2O3, which led to performance degradation. In the case of the two-cell arrayed IP-SOFC with a 20 vol%-Al2O 3 added to the PSZ substrate, a reduced shunting current loss improved the power density by 30% compared to that of the Al2O 3-free substrate.

AB - Two-cell arrayed integrated planar solid oxide fuel cells (IP-SOFCs) were fabricated using a robo-dispensing method. Special emphasis was placed on the influence of reduced shunting current on cell performance. The resistivity of the substrate increased according to a mixture rule of composites by adding Al2O3 into the substrate of partially stabilized zirconia (PSZ). This strategy, which reduces shunting current through the substrate, enhances the power output. When the amount of Al2O3 added was more than 26 vol%, however, the Ni anode migrated into the PSZ substrate to react with Al2O3, which led to performance degradation. In the case of the two-cell arrayed IP-SOFC with a 20 vol%-Al2O 3 added to the PSZ substrate, a reduced shunting current loss improved the power density by 30% compared to that of the Al2O 3-free substrate.

UR - http://www.scopus.com/inward/record.url?scp=82155197133&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=82155197133&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2011.07.058

DO - 10.1016/j.ceramint.2011.07.058

M3 - Article

AN - SCOPUS:82155197133

VL - 38

SP - 695

EP - 700

JO - Ceramics International

JF - Ceramics International

SN - 0272-8842

IS - 1

ER -