Mixed-fuels fuel cell runnig on methane-air mixture

Sung Pil Yoon; Hyun Jae Kim; Byung Tak Park; Suk Woo Nam; Jonghee Han; Tae Hoon Lim; Seong Ahn Hong

Mixed-fuels fuel cell runnig on methane-air mixture

Sung Pil Yoon, Hyun Jae Kim, Byung Tak Park, Suk Woo Nam, Jonghee Han, Tae Hoon Lim, Seong Ahn Hong

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In order to develop SOFC running on hydrocarbon fuels, we have focused on a new method of improving electrode performance and reducing carbon deposition by coating thin films of samaria-doped ceria (SDC) within the pores of electrode by a sol-gel coating technique. The SDC coating on the pores of anode made it possible to have a good stability for long-term operation due to low carbon deposition and nickel sintering. In this study, we demonstrated a new method of improving electrode performance and reducing carbon deposition by coating thin films of samaria-doped ceria (SDC) and applied the modification technique to two different types of fuel cell structures, anode-supported SOFC and comb-shaped SOFC. From our results, the maximum power density of an anode-supported cell (electrolyte; 8 mol% YSZ and thickness of 30 μm, and cathode; La _0.85Sr_0.15MnO₃) with the modified anode was about 300 mW/cm² at 700 °C in the mixture of methane (25%) and air (75%) as the fuel and air as the oxidant. The cell was operated for 500 h without significant degradation of cell performance. For the comb-shaped SOFCs operated in the mixed-fuels fuel cell (MFFC) conditions, the cell performance was 40 mW/cm² at 700°C in the CH₄/O₂ ratio of 1.

Original language	English
Title of host publication	Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005
Editors	R.K. Shah, E.U. Ubong, S.S. Samuelsen
Pages	323-327
Number of pages	5
Publication status	Published - 2005
Event	3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005 - Ypsilanti, MI, United States Duration: 2005 May 23 → 2005 May 25

Publication series

Name	Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005

Other

Other	3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005
Country	United States
City	Ypsilanti, MI
Period	05/5/23 → 05/5/25

ASJC Scopus subject areas

Engineering(all)

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Cite this

Yoon, S. P., Kim, H. J., Park, B. T., Nam, S. W., Han, J., Lim, T. H., & Hong, S. A. (2005). Mixed-fuels fuel cell runnig on methane-air mixture. In R. K. Shah, E. U. Ubong, & S. S. Samuelsen (Eds.), Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005 (pp. 323-327). [FUELCELL-74081] (Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005).

Mixed-fuels fuel cell runnig on methane-air mixture. / Yoon, Sung Pil; Kim, Hyun Jae; Park, Byung Tak; Nam, Suk Woo; Han, Jonghee; Lim, Tae Hoon; Hong, Seong Ahn.

Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005. ed. / R.K. Shah; E.U. Ubong; S.S. Samuelsen. 2005. p. 323-327 FUELCELL-74081 (Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yoon, SP, Kim, HJ, Park, BT, Nam, SW, Han, J, Lim, TH & Hong, SA 2005, Mixed-fuels fuel cell runnig on methane-air mixture. in RK Shah, EU Ubong & SS Samuelsen (eds), Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005., FUELCELL-74081, Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005, pp. 323-327, 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005, Ypsilanti, MI, United States, 05/5/23.

Yoon SP, Kim HJ, Park BT, Nam SW, Han J, Lim TH et al. Mixed-fuels fuel cell runnig on methane-air mixture. In Shah RK, Ubong EU, Samuelsen SS, editors, Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005. 2005. p. 323-327. FUELCELL-74081. (Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005).

Yoon, Sung Pil ; Kim, Hyun Jae ; Park, Byung Tak ; Nam, Suk Woo ; Han, Jonghee ; Lim, Tae Hoon ; Hong, Seong Ahn. / Mixed-fuels fuel cell runnig on methane-air mixture. Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005. editor / R.K. Shah ; E.U. Ubong ; S.S. Samuelsen. 2005. pp. 323-327 (Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005).

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AB - In order to develop SOFC running on hydrocarbon fuels, we have focused on a new method of improving electrode performance and reducing carbon deposition by coating thin films of samaria-doped ceria (SDC) within the pores of electrode by a sol-gel coating technique. The SDC coating on the pores of anode made it possible to have a good stability for long-term operation due to low carbon deposition and nickel sintering. In this study, we demonstrated a new method of improving electrode performance and reducing carbon deposition by coating thin films of samaria-doped ceria (SDC) and applied the modification technique to two different types of fuel cell structures, anode-supported SOFC and comb-shaped SOFC. From our results, the maximum power density of an anode-supported cell (electrolyte; 8 mol% YSZ and thickness of 30 μm, and cathode; La 0.85Sr0.15MnO3) with the modified anode was about 300 mW/cm2 at 700 °C in the mixture of methane (25%) and air (75%) as the fuel and air as the oxidant. The cell was operated for 500 h without significant degradation of cell performance. For the comb-shaped SOFCs operated in the mixed-fuels fuel cell (MFFC) conditions, the cell performance was 40 mW/cm2 at 700°C in the CH4/O2 ratio of 1.

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