Development of in-situ mechanical testing method for SOFC components

Satoshi Watanabe; Kazuhisa Sato; Yohei Takeyama; Fumitada Iguchi; Keiji Yashiro; Toshiyuki Hashida; Junichiro Mizusaki; Tatsuya Kawada

doi:10.1115/FuelCell2010-33294

Development of in-situ mechanical testing method for SOFC components

Satoshi Watanabe, Kazuhisa Sato, Yohei Takeyama, Fumitada Iguchi, Keiji Yashiro, Toshiyuki Hashida, Junichiro Mizusaki, Tatsuya Kawada

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

2 Citations (Scopus)

Abstract

For the commercialization of solid oxide fuel cell (SOFC), in addition to the electrical reliability, it is also important to ensure the mechanical reliability of SOFC. Thus, the establishment of a suitable mechanical testing method under various temperatures and oxygen partial pressure conditions is a prerequisite for the development of reliable SOFCs. This paper presents the experimental results of the investigation of elastic modulus and fracture strength on the SOFC components under reducing conditions. An in-situ mechanical testing method was developed in order to investigate the elastic modulus and fracture strength of solid oxide fuel cells components under high oxidizing/reducing environments. The elastic modulus was shown to change under reducing condition, and the behavior was most likely due to non-stoichiometry. It was demonstrated that the in-situ mechanical testing method enabled us to estimate the internal stress in the SOFC cell and stack.

Original language	English
Title of host publication	ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010
Pages	417-420
Number of pages	4
DOIs	https://doi.org/10.1115/FuelCell2010-33294
Publication status	Published - 2010 Dec 1
Event	ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010 - Brooklyn, NY, United States Duration: 2010 Jun 14 → 2010 Jun 16

Publication series

Name	ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010
Volume	2

Other

Other	ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010
Country	United States
City	Brooklyn, NY
Period	10/6/14 → 10/6/16

ASJC Scopus subject areas

Energy Engineering and Power Technology
Fuel Technology

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Cite this

Watanabe, S., Sato, K., Takeyama, Y., Iguchi, F., Yashiro, K., Hashida, T., Mizusaki, J., & Kawada, T. (2010). Development of in-situ mechanical testing method for SOFC components. In ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010 (pp. 417-420). (ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010; Vol. 2). https://doi.org/10.1115/FuelCell2010-33294

Development of in-situ mechanical testing method for SOFC components. / Watanabe, Satoshi; Sato, Kazuhisa; Takeyama, Yohei; Iguchi, Fumitada ; Yashiro, Keiji ; Hashida, Toshiyuki; Mizusaki, Junichiro; Kawada, Tatsuya.

ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010. 2010. p. 417-420 (ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010; Vol. 2).

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

Watanabe, S, Sato, K, Takeyama, Y, Iguchi, F , Yashiro, K , Hashida, T, Mizusaki, J & Kawada, T 2010, Development of in-situ mechanical testing method for SOFC components. in ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010. ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010, vol. 2, pp. 417-420, ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010, Brooklyn, NY, United States, 10/6/14. https://doi.org/10.1115/FuelCell2010-33294

Watanabe S, Sato K, Takeyama Y, Iguchi F , Yashiro K , Hashida T et al. Development of in-situ mechanical testing method for SOFC components. In ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010. 2010. p. 417-420. (ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010). https://doi.org/10.1115/FuelCell2010-33294

Watanabe, Satoshi ; Sato, Kazuhisa ; Takeyama, Yohei ; Iguchi, Fumitada ; Yashiro, Keiji ; Hashida, Toshiyuki ; Mizusaki, Junichiro ; Kawada, Tatsuya. / Development of in-situ mechanical testing method for SOFC components. ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010. 2010. pp. 417-420 (ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology, FUELCELL 2010).

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abstract = "For the commercialization of solid oxide fuel cell (SOFC), in addition to the electrical reliability, it is also important to ensure the mechanical reliability of SOFC. Thus, the establishment of a suitable mechanical testing method under various temperatures and oxygen partial pressure conditions is a prerequisite for the development of reliable SOFCs. This paper presents the experimental results of the investigation of elastic modulus and fracture strength on the SOFC components under reducing conditions. An in-situ mechanical testing method was developed in order to investigate the elastic modulus and fracture strength of solid oxide fuel cells components under high oxidizing/reducing environments. The elastic modulus was shown to change under reducing condition, and the behavior was most likely due to non-stoichiometry. It was demonstrated that the in-situ mechanical testing method enabled us to estimate the internal stress in the SOFC cell and stack.",

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AU - Watanabe, Satoshi

AU - Sato, Kazuhisa

AU - Takeyama, Yohei

AU - Iguchi, Fumitada

AU - Yashiro, Keiji

AU - Hashida, Toshiyuki

AU - Mizusaki, Junichiro

AU - Kawada, Tatsuya

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N2 - For the commercialization of solid oxide fuel cell (SOFC), in addition to the electrical reliability, it is also important to ensure the mechanical reliability of SOFC. Thus, the establishment of a suitable mechanical testing method under various temperatures and oxygen partial pressure conditions is a prerequisite for the development of reliable SOFCs. This paper presents the experimental results of the investigation of elastic modulus and fracture strength on the SOFC components under reducing conditions. An in-situ mechanical testing method was developed in order to investigate the elastic modulus and fracture strength of solid oxide fuel cells components under high oxidizing/reducing environments. The elastic modulus was shown to change under reducing condition, and the behavior was most likely due to non-stoichiometry. It was demonstrated that the in-situ mechanical testing method enabled us to estimate the internal stress in the SOFC cell and stack.

AB - For the commercialization of solid oxide fuel cell (SOFC), in addition to the electrical reliability, it is also important to ensure the mechanical reliability of SOFC. Thus, the establishment of a suitable mechanical testing method under various temperatures and oxygen partial pressure conditions is a prerequisite for the development of reliable SOFCs. This paper presents the experimental results of the investigation of elastic modulus and fracture strength on the SOFC components under reducing conditions. An in-situ mechanical testing method was developed in order to investigate the elastic modulus and fracture strength of solid oxide fuel cells components under high oxidizing/reducing environments. The elastic modulus was shown to change under reducing condition, and the behavior was most likely due to non-stoichiometry. It was demonstrated that the in-situ mechanical testing method enabled us to estimate the internal stress in the SOFC cell and stack.

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