Application of Taguchi Method to Optimize the Operating Parameters for a Solid Oxide Fuel Cell

Jing Kai Lin; Shin Wei Cheng; Chang Wei Lu; Yung Neng Cheng; Ruey Yi Lee; Hong Yi Kuo; Tai Nan Lin

doi:10.4028/www.scientific.net/KEM.656-657.544

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 656-657Application of Taguchi Method to Optimize the...

Application of Taguchi Method to Optimize the Operating Parameters for a Solid Oxide Fuel Cell

Abstract:

In this paper, the Taguchi method is employed to systematically optimize the operating parameters of an anode-supported SOFC cell. Effects of cell temperatures (650, 675, and 700°C), fuel flow rates (400, 500, and 600 sccm), and oxidant flow rates (1000, 1500, and 2000 sccm) on electrochemical performance, fuel utilization, and electrical efficiency are investigated. The L₂₇ orthogonal arrays of Taguchi experiments are designed and carried out. The signal-to-noise ratios (S/N) indicate that the electrical efficiency is majorly determined by the hydrogen and air flow rates, while the power output is significantly affected by the operating temperatures. The analysis of variance (ANOVA) reveals that, under the operating temperature at 675°C with hydrogen and air flow rates respectively of 500 and 1500 sccm, the maximum power density is 480 mW/cm², where the overall electrical efficiency and fuel utilization is 51.9% and 86.1%, respectively.

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Periodical:

Key Engineering Materials (Volumes 656-657)

Pages:

544-548

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.656-657.544

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Online since:

July 2015

Authors:

Jing Kai Lin*, Shin Wei Cheng, Chang Wei Lu, Yung Neng Cheng, Ruey Yi Lee, Hong Yi Kuo, Tai Nan Lin

Keywords:

Electrochemical Performance, Fuel Utilization, Solid Oxide Fuel Cell, Taguchi Method

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