Synthesis and characterization of BaZr0.8y0.2O 3 protonic conductor for Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs)

Alessandra D'Epifanio; Emiliana Fabbri; Elisabetta Di Bartolomeo; Silvia Licoccia; Enrico Traversa

Synthesis and characterization of BaZr0.8y0.2O 3 protonic conductor for Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs)

Alessandra D'Epifanio^*, Emiliana Fabbri, Elisabetta Di Bartolomeo, Silvia Licoccia, Enrico Traversa

^*Corresponding author for this work

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

4 Scopus citations

Abstract

Barium zirconate BaZr_0.8Y_0.2O_3-δ to be used as protonic conductor under hydrogen containing atmosphere in intermediate temperature (500-700°C) solid oxide fuel cells (IT-SOFCs) was prepared using a sol-gel technique to produce materials with controlled chemical structure and microstructural properties. Several synthetic procedures were investigated, dissolving the metal cations in two solvents (water and ethylene glycol) and using different molar ratios of citric acid with respect to the total metal content. A single phase was obtained at temperature as low as 1100°C. To verify the chemical stability, all the sintered oxides were exposed to CO₂ and the phase composition of the resulting specimens was investigated using X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). Fuel cell polarization curves on symmetric Pt/BZY20/Pt cells of different thickness were measured at intermediate temperatures (500-700°C).

Original language	English (US)
Title of host publication	Solid-State Ionics-2006
Pages	31-36
Number of pages	6
Volume	972
State	Published - 2007
Externally published	Yes
Event	2006 MRS Fall Meeting - Boston, MA, United States Duration: Nov 27 2006 → Dec 1 2006

Other

Other	2006 MRS Fall Meeting
Country	United States
City	Boston, MA
Period	11/27/06 → 12/1/06

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

Cite this

@inproceedings{f4bf6b8bbf7946518aad84ddda48fd86,

title = "Synthesis and characterization of BaZr0.8y0.2O 3 protonic conductor for Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs)",

abstract = "Barium zirconate BaZr0.8Y0.2O3-δ to be used as protonic conductor under hydrogen containing atmosphere in intermediate temperature (500-700°C) solid oxide fuel cells (IT-SOFCs) was prepared using a sol-gel technique to produce materials with controlled chemical structure and microstructural properties. Several synthetic procedures were investigated, dissolving the metal cations in two solvents (water and ethylene glycol) and using different molar ratios of citric acid with respect to the total metal content. A single phase was obtained at temperature as low as 1100°C. To verify the chemical stability, all the sintered oxides were exposed to CO2 and the phase composition of the resulting specimens was investigated using X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). Fuel cell polarization curves on symmetric Pt/BZY20/Pt cells of different thickness were measured at intermediate temperatures (500-700°C).",

author = "Alessandra D'Epifanio and Emiliana Fabbri and {Di Bartolomeo}, Elisabetta and Silvia Licoccia and Enrico Traversa",

year = "2007",

language = "English (US)",

isbn = "1558999299",

volume = "972",

pages = "31--36",

booktitle = "Solid-State Ionics-2006",

note = "2006 MRS Fall Meeting ; Conference date: 27-11-2006 Through 01-12-2006",

}

Synthesis and characterization of BaZr0.8y0.2O 3 protonic conductor for Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs). / D'Epifanio, Alessandra; Fabbri, Emiliana; Di Bartolomeo, Elisabetta; Licoccia, Silvia; Traversa, Enrico.

Solid-State Ionics-2006. Vol. 972 2007. p. 31-36.

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

TY - GEN

T1 - Synthesis and characterization of BaZr0.8y0.2O 3 protonic conductor for Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs)

AU - D'Epifanio, Alessandra

AU - Fabbri, Emiliana

AU - Di Bartolomeo, Elisabetta

AU - Licoccia, Silvia

AU - Traversa, Enrico

PY - 2007

Y1 - 2007

N2 - Barium zirconate BaZr0.8Y0.2O3-δ to be used as protonic conductor under hydrogen containing atmosphere in intermediate temperature (500-700°C) solid oxide fuel cells (IT-SOFCs) was prepared using a sol-gel technique to produce materials with controlled chemical structure and microstructural properties. Several synthetic procedures were investigated, dissolving the metal cations in two solvents (water and ethylene glycol) and using different molar ratios of citric acid with respect to the total metal content. A single phase was obtained at temperature as low as 1100°C. To verify the chemical stability, all the sintered oxides were exposed to CO2 and the phase composition of the resulting specimens was investigated using X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). Fuel cell polarization curves on symmetric Pt/BZY20/Pt cells of different thickness were measured at intermediate temperatures (500-700°C).

AB - Barium zirconate BaZr0.8Y0.2O3-δ to be used as protonic conductor under hydrogen containing atmosphere in intermediate temperature (500-700°C) solid oxide fuel cells (IT-SOFCs) was prepared using a sol-gel technique to produce materials with controlled chemical structure and microstructural properties. Several synthetic procedures were investigated, dissolving the metal cations in two solvents (water and ethylene glycol) and using different molar ratios of citric acid with respect to the total metal content. A single phase was obtained at temperature as low as 1100°C. To verify the chemical stability, all the sintered oxides were exposed to CO2 and the phase composition of the resulting specimens was investigated using X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM). Fuel cell polarization curves on symmetric Pt/BZY20/Pt cells of different thickness were measured at intermediate temperatures (500-700°C).

UR - http://www.scopus.com/inward/record.url?scp=34250827783&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:34250827783

SN - 1558999299

SN - 9781558999299

VL - 972

SP - 31

EP - 36

BT - Solid-State Ionics-2006

T2 - 2006 MRS Fall Meeting

Y2 - 27 November 2006 through 1 December 2006

ER -

Synthesis and characterization of BaZr0.8y0.2O 3 protonic conductor for Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFCs)

Abstract

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