Direct-write fabrication of solid oxide fuel cells

Yong Bum Kim, Sung Jin Ahn, Jooho Moon, Joosun Kim, Hae Weon Lee

Research output: Contribution to conferencePaper

Abstract

Line-shaped solid oxide fuel cells (SOFCs) with a multilayered structure have been fabricated using the direct-writing process. Partially stabilized zirconia (PSZ) substrate with sufficient mechanical strength and gas permeability was used as a support for SOFC. The cell comprises the single line-shaped electrode and electrolyte of Ni-YSZ cermet anode, YSZ electrolyte, and LSM cathode. A syringe filled with electrolyte paste and each electrode was loaded into the computer-controlled robo-dispensing machine and the paste dispensed onto a moving plate through a 0.21 mm diameter cylindrical nozzle under a pressure of 0.1 torr. The effective reaction area of fabricated SOFC was 0.03 cm2, and the thicknesses of anode, electrolyte, and cathode were 20 μm, 15 um and 10 μm, respectively. The single line-shaped SOFC fabricated by the directwriting process exhibited OCV of 0.95 V and maximum power density of 0.35W/cm2 at 810°C.

Original languageEnglish
Pages489-494
Number of pages6
Publication statusPublished - 2005 Dec 1
Event9th International Symposium on Solid Oxide Fuel Cells, SOFC IX - Quebec, Canada
Duration: 2005 May 152005 May 20

Other

Other9th International Symposium on Solid Oxide Fuel Cells, SOFC IX
CountryCanada
CityQuebec
Period05/5/1505/5/20

Fingerprint

Solid oxide fuel cells (SOFC)
Electrolytes
Fabrication
Anodes
Cathodes
Syringes
Electrodes
Gas permeability
Zirconia
Strength of materials
Nozzles
Substrates

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Kim, Y. B., Ahn, S. J., Moon, J., Kim, J., & Lee, H. W. (2005). Direct-write fabrication of solid oxide fuel cells. 489-494. Paper presented at 9th International Symposium on Solid Oxide Fuel Cells, SOFC IX, Quebec, Canada.
Kim, Yong Bum ; Ahn, Sung Jin ; Moon, Jooho ; Kim, Joosun ; Lee, Hae Weon. / Direct-write fabrication of solid oxide fuel cells. Paper presented at 9th International Symposium on Solid Oxide Fuel Cells, SOFC IX, Quebec, Canada.6 p.
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Kim, YB, Ahn, SJ, Moon, J, Kim, J & Lee, HW 2005, 'Direct-write fabrication of solid oxide fuel cells', Paper presented at 9th International Symposium on Solid Oxide Fuel Cells, SOFC IX, Quebec, Canada, 05/5/15 - 05/5/20 pp. 489-494.

Direct-write fabrication of solid oxide fuel cells. / Kim, Yong Bum; Ahn, Sung Jin; Moon, Jooho; Kim, Joosun; Lee, Hae Weon.

2005. 489-494 Paper presented at 9th International Symposium on Solid Oxide Fuel Cells, SOFC IX, Quebec, Canada.

Research output: Contribution to conferencePaper

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N2 - Line-shaped solid oxide fuel cells (SOFCs) with a multilayered structure have been fabricated using the direct-writing process. Partially stabilized zirconia (PSZ) substrate with sufficient mechanical strength and gas permeability was used as a support for SOFC. The cell comprises the single line-shaped electrode and electrolyte of Ni-YSZ cermet anode, YSZ electrolyte, and LSM cathode. A syringe filled with electrolyte paste and each electrode was loaded into the computer-controlled robo-dispensing machine and the paste dispensed onto a moving plate through a 0.21 mm diameter cylindrical nozzle under a pressure of 0.1 torr. The effective reaction area of fabricated SOFC was 0.03 cm2, and the thicknesses of anode, electrolyte, and cathode were 20 μm, 15 um and 10 μm, respectively. The single line-shaped SOFC fabricated by the directwriting process exhibited OCV of 0.95 V and maximum power density of 0.35W/cm2 at 810°C.

AB - Line-shaped solid oxide fuel cells (SOFCs) with a multilayered structure have been fabricated using the direct-writing process. Partially stabilized zirconia (PSZ) substrate with sufficient mechanical strength and gas permeability was used as a support for SOFC. The cell comprises the single line-shaped electrode and electrolyte of Ni-YSZ cermet anode, YSZ electrolyte, and LSM cathode. A syringe filled with electrolyte paste and each electrode was loaded into the computer-controlled robo-dispensing machine and the paste dispensed onto a moving plate through a 0.21 mm diameter cylindrical nozzle under a pressure of 0.1 torr. The effective reaction area of fabricated SOFC was 0.03 cm2, and the thicknesses of anode, electrolyte, and cathode were 20 μm, 15 um and 10 μm, respectively. The single line-shaped SOFC fabricated by the directwriting process exhibited OCV of 0.95 V and maximum power density of 0.35W/cm2 at 810°C.

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Kim YB, Ahn SJ, Moon J, Kim J, Lee HW. Direct-write fabrication of solid oxide fuel cells. 2005. Paper presented at 9th International Symposium on Solid Oxide Fuel Cells, SOFC IX, Quebec, Canada.