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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

lectric field-assisted sintering anode-supported single solid oxide fuel cel

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Author(s):
Muccillo, Reginaldo [1] ; de Florio, Daniel Zanetti [2] ; Fonseca, Fabio C. [1] ; Carvalho, Sabrina G. M. [1] ; Muccillo, Eliana N. S. [1]
Total Authors: 5
Affiliation:
[1] Energy & Nucl Res Inst, Travessa R 400, Cidade Univ, BR-05508170 Sao Paulo, SP - Brazil
[2] Fed Univ ABC, Ctr Engn Modeling & Appl Social Sci, Santo Andre, SP - Brazil
Total Affiliations: 2
Document type: Journal article
Source: International Journal of Applied Ceramic Technology; v. 19, n. 2 SEP 2021.
Web of Science Citations: 0
Abstract

Cosintering (La0.84Sr0.16MnO3 thin-film cathode/ZrO2: 8 mol% Y2O3 thin-film solid electrolyte/55 vol.% ZrO2:8 mol% Y2O3 + 45 vol.% NiO anode, phi = 12 x 1.5 mm thick pellet) was achieved by applying an electric field for 5 min at 1200 degrees C. Impedance spectroscopy measurements of the anode-supported three-layer cell show an improvement of the electrical conductivity in comparison to that of a conventionally sintered cell. The scanning electron microscopy images of the cross-sections of electric field-assisted pressureless sintered cells show a fairly dense electrolyte and porous anode and cathode. Joule heating, resulting from the electric current due to the application of the AC electric field, is suggested as responsible for sintering. Dilatometric shrinkage curves, electric voltage and current profiles, impedance spectroscopy diagrams, and scanning electron microscopy micrographs show how anode-electrolyte-cathode ceramic cells can be cosintered at temperatures lower than the usually required. (AU)

FAPESP's process: 17/11937-4 - A sustainable path to methane conversion by advanced electrochemical technologies
Grantee:Fabio Coral Fonseca
Support Opportunities: Research Grants - Research Centers in Engineering Program
FAPESP's process: 13/07296-2 - CDMF - Center for the Development of Functional Materials
Grantee:Elson Longo da Silva
Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC