Intermediate-temperature solid oxide fuel cell employing reformed effective biogas: Power generation and inhibition of carbon deposition

Michihiro Miyake; Makoto Iwami; Kenta Goto; Kazuhito Iwamoto; Koki Morimoto; Makoto Shiraishi; Kenji Takatori; Mizue Takeuchi; Shunsuke Nishimoto; Yoshikazu Kameshima

doi:10.1016/j.jpowsour.2016.11.080

Intermediate-temperature solid oxide fuel cell employing reformed effective biogas: Power generation and inhibition of carbon deposition

Michihiro Miyake, Makoto Iwami, Kenta Goto, Kazuhito Iwamoto, Koki Morimoto, Makoto Shiraishi, Kenji Takatori, Mizue Takeuchi, Shunsuke Nishimoto, Yoshikazu Kameshima

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

A power generation system consisting of an intermediate-temperature solid oxide fuel cell (IT-SOFC) and an external reformer for biogas is developed, and its performance is investigated for advanced use of effective biogas. The IT-SOFC is fueled with syngas produced via biogas reforming, and is successfully operated at 600 and 700 °C using Ni_0.8Cu_0.2 alloy/gadolinia-doped ceria electrolyte (Ni_0.8Cu_0.2/GDC) cermet anodes and a LaAlO₃ supported-Ni (Ni/LaAlO₃) catalyst. The Ni/LaAlO₃ catalyst stably exhibits high reforming performance for effective biogas at 800 °C for 27 h, and carbon deposition on the catalyst is prevented. The electrochemical performance of the Ni_0.8Cu_0.2/GDC cermet anode using syngas fuel possessing a H₂:CO ratio of approximately 3:1 is comparable to the performance achieved with H₂ fuel; the anode remains stable after 24 h of operation at 700 °C without interruption and is unaffected by carbon deposition.

Original language	English
Pages (from-to)	319-324
Number of pages	6
Journal	Journal of Power Sources
Volume	340
DOIs	https://doi.org/10.1016/j.jpowsour.2016.11.080
Publication status	Published - Feb 1 2017

Keywords

Carbon deposition
Effective biogas
Intermediate-temperature solid oxide fuel cell
Ni-Cu alloy/electrolyte cermet anode
Reforming catalyst

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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Intermediate-temperature solid oxide fuel cell employing reformed effective biogas : Power generation and inhibition of carbon deposition. / Miyake, Michihiro; Iwami, Makoto; Goto, Kenta; Iwamoto, Kazuhito; Morimoto, Koki; Shiraishi, Makoto; Takatori, Kenji; Takeuchi, Mizue; Nishimoto, Shunsuke ; Kameshima, Yoshikazu.

In: Journal of Power Sources, Vol. 340, 01.02.2017, p. 319-324.

Research output: Contribution to journal › Article › peer-review

Miyake, Michihiro ; Iwami, Makoto ; Goto, Kenta ; Iwamoto, Kazuhito ; Morimoto, Koki ; Shiraishi, Makoto ; Takatori, Kenji ; Takeuchi, Mizue ; Nishimoto, Shunsuke ; Kameshima, Yoshikazu. / Intermediate-temperature solid oxide fuel cell employing reformed effective biogas : Power generation and inhibition of carbon deposition. In: Journal of Power Sources. 2017 ; Vol. 340. pp. 319-324.

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abstract = "A power generation system consisting of an intermediate-temperature solid oxide fuel cell (IT-SOFC) and an external reformer for biogas is developed, and its performance is investigated for advanced use of effective biogas. The IT-SOFC is fueled with syngas produced via biogas reforming, and is successfully operated at 600 and 700 °C using Ni0.8Cu0.2 alloy/gadolinia-doped ceria electrolyte (Ni0.8Cu0.2/GDC) cermet anodes and a LaAlO3 supported-Ni (Ni/LaAlO3) catalyst. The Ni/LaAlO3 catalyst stably exhibits high reforming performance for effective biogas at 800 °C for 27 h, and carbon deposition on the catalyst is prevented. The electrochemical performance of the Ni0.8Cu0.2/GDC cermet anode using syngas fuel possessing a H2:CO ratio of approximately 3:1 is comparable to the performance achieved with H2 fuel; the anode remains stable after 24 h of operation at 700 °C without interruption and is unaffected by carbon deposition.",

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AB - A power generation system consisting of an intermediate-temperature solid oxide fuel cell (IT-SOFC) and an external reformer for biogas is developed, and its performance is investigated for advanced use of effective biogas. The IT-SOFC is fueled with syngas produced via biogas reforming, and is successfully operated at 600 and 700 °C using Ni0.8Cu0.2 alloy/gadolinia-doped ceria electrolyte (Ni0.8Cu0.2/GDC) cermet anodes and a LaAlO3 supported-Ni (Ni/LaAlO3) catalyst. The Ni/LaAlO3 catalyst stably exhibits high reforming performance for effective biogas at 800 °C for 27 h, and carbon deposition on the catalyst is prevented. The electrochemical performance of the Ni0.8Cu0.2/GDC cermet anode using syngas fuel possessing a H2:CO ratio of approximately 3:1 is comparable to the performance achieved with H2 fuel; the anode remains stable after 24 h of operation at 700 °C without interruption and is unaffected by carbon deposition.

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