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Materials selection of non-metallic glasses for planar solid-oxide fuel cell sealants

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Autor(es):
Salvador, Camilo A. F. ; Rego, Jessica S. ; Lopes, Thiago ; Meneghini, Julio R. ; Brandon, Nigel P. ; Damasceno, Daniela A.
Número total de Autores: 6
Tipo de documento: Artigo Científico
Fonte: CERAMICS INTERNATIONAL; v. 51, n. 6, p. 12-pg., 2025-02-24.
Resumo

Solid Oxide Fuel Cells (SOFCs) are emerging as promising solutions for advancing sustainable energy systems, mainly due to their high efficiency and fuel flexibility. The performance of planar SOFCs, distinguished by their high power density, significantly relies on the effectiveness of their seal components. This study applies the Ashby method to systematically identify seal materials that can endure the demanding conditions of SOFC operations, specifically with the target operating temperature of 800 degrees C, aimed at mitigating operational challenges while maintaining efficiency. We screened potential glass sealants based on their thermal, mechanical, and electrical properties using the SciGlass database and a compiled dataset with 38 new compositions from the last four years. Machine learning models helped predict missing data to refine our selection process. We identified nineteen exceptional glass candidates, including four defining the Pareto front, primarily composed of aluminosilicates and borosilicates enriched with BaO, CaO and SrO, with minor additions of MgO, ZrO, and La2O3. This study offers a valuable resource for researchers and engineers focused on developing high-performance SOFCs, presenting promising non-metallic glass candidates suited for sealant applications at operating temperatures of 800 degrees C. (AU)

Processo FAPESP: 20/01177-5 - Da ciência fundamental à aplicada: novas fronteiras em tecnologias de células a combustível
Beneficiário:Nigel Peter Brandon
Modalidade de apoio: Auxílio à Pesquisa - Programa SPEC
Processo FAPESP: 22/08894-0 - Modelagem multi-escala de transporte reativo e mecanismos de aprisionamento mineral de CO2 na formação geológica de Rio Bonito
Beneficiário:Jéssica Santos Rego
Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado
Processo FAPESP: 20/15230-5 - Centro de Pesquisa e Inovação de Gases de Efeito Estufa - RCG2I
Beneficiário:Julio Romano Meneghini
Modalidade de apoio: Auxílio à Pesquisa - Programa Centros de Pesquisa em Engenharia
Processo FAPESP: 14/50279-4 - Brasil Research Centre for Gas Innovation
Beneficiário:Julio Romano Meneghini
Modalidade de apoio: Auxílio à Pesquisa - Programa Centros de Pesquisa em Engenharia
Processo FAPESP: 14/22130-6 - Eletrocatálise além da platina: desenvolvimento de eletrocatalisadores sustentáveis
Beneficiário:Thiago Lopes
Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores