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Technology Reviews

A Systematic Literature Review on BSCF-Based Cathodes for Solid Oxide Fuel Cell Applications

[+] Author and Article Information
Edoardo Magnone1

International Center for Materials Nanoarchitectonics (MANA), World Premier International (WPI) Research Center, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japanmagnone.edoardo@nims.go.jp, mangnone.edoardo@gmail.com

1

Corresponding author.

J. Fuel Cell Sci. Technol 7(6), 064001 (Aug 25, 2010) (11 pages) doi:10.1115/1.4001323 History: Received September 15, 2009; Revised January 19, 2010; Published August 25, 2010; Online August 25, 2010

Academic research into Ba1ySryCo1xFexO3 cathode (BSCF) for solid oxide fuel cell (SOFC) applications has proliferated significantly over the last few years. However, the homogeneity of literature data has not been investigated yet. In the present review, a systematic literature screening is conducted. The study is organized into two main categories (geometries and configurations) and various subcategories as a function of performance classification, which was published on the subject. A semi-empirical model is applied to predict the cell performances on two film thickness (electrolyte and cathode) and three cell fabrication variables (cathode synthesis temperature, firing temperature, and cathode particle size). The semi-empirical model of cell performance showed a good agreement with simulated and literature data. It is concluded that a systematic literature reviewing process holds great potential for the understanding of the mechanisms, which regulate BSFC cathode-based SOFC operation, and thus represents a tool of primary importance for any further advance in the field of SOFC.

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Copyright © 2010 by American Society of Mechanical Engineers
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Figures

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Figure 1

Schematic diagrams illustrating (a) anode-, (b) electrolyte-, and (c) cathode-supported geometries in the (d) double- or (e) single chamber SOFC configurations (c: cathode; e: electrode; a: anode)

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Figure 2

Article distribution by (a) year and by (b) topic

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Figure 3

Items distribution of SOFC characteristics by configurations and geometries

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Figure 4

Article distribution by (a) electrolyte and electrode (cathode or anode) layers fabrication procedure, (b) BSCF composition (pure BSCF phase or composite cathode), and (c) gas flow in double chamber SOFC configuration

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Figure 5

Item distribution by (a) furnace temperature used in the experimental cell tests and by (b) performances measured at the constant temperature of 600°C (step 100 mW/cm2), in the time frame considered (2004–2008)

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Figure 6

Open circuit voltage (OCV, left axis) behavior and peak power density variations (PPD, right axis) as a function of (a) electrode and (b) BSCF films thicknesses in the range of literature values examined. Solid lines represent second degree polynomials used to fit the literature data scrutinized in the time frame 2004–2008.

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Figure 7

Open circuit voltage (OCV, left axis) behavior and peak power density variation (PPD, right axis) as a function of (a) temperature synthesis, (b) firing temperature on electrolyte film, and (c) powder size of BSCF cathode. Solid lines represent second degree polynomials used to fit the experimental items related to the time frame 2004–2008.

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Figure 8

Powder synthesis and film cathode deposition characteristic parameters (such as cathode synthesis and sintering temperatures, respectively) of SDC electrolyte versus microstructure (powder size)

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Figure 9

Internal validation test—scrutinized literature data (black markers) and predicted performance values (white markers) versus electrolyte thickness in the range between 10 μm(X min) and 75 μm(X max): (a) OCV and (b) PPD items. The standard deviations of data set (vertical lines) are reported in correspondence of the expected value (Table 2).

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