Direct-write fabrication of solid oxide fuel cells

Yong Bum Kim, Sung Jin Ahn, Joo Ho 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 cm 2 , 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/cm 2 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. H., 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, Joo Ho ; 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, JH, 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, Joo Ho; 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 cm 2 , 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/cm 2 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 cm 2 , 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/cm 2 at 810°C.

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Kim YB, Ahn SJ, Moon JH, 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.