Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs

Single-step inkjet printing infiltration with doped ceria Ce0.9Ye0.1O1.95 (YDC) and cobalt oxide (CoxOy) precursor inks was performed in order to modify the properties of the doped ceri...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Rumen I. Tomov, Thomas B. Mitchel-Williams, Eleonora Venezia, Michal Kawalec, Mariusz Krauz, Ramachandran Vasant Kumar, Bartek A. Glowacki
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	solid oxide fuel cells inkjet printing infiltration doped ceria cobalt oxide Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/6caffb2b164b4325a642f4acfd632942
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:6caffb2b164b4325a642f4acfd632942
record_format	dspace
spelling	oai:doaj.org-article:6caffb2b164b4325a642f4acfd6329422021-11-25T18:32:24ZInkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs10.3390/nano111130952079-4991https://doaj.org/article/6caffb2b164b4325a642f4acfd6329422021-11-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/3095https://doaj.org/toc/2079-4991Single-step inkjet printing infiltration with doped ceria Ce<sub>0.9</sub>Ye<sub>0.1</sub>O<sub>1.95</sub> (YDC) and cobalt oxide (Co<sub>x</sub>O<sub>y</sub>) precursor inks was performed in order to modify the properties of the doped ceria interlayer in commercial (50 × 50 × 0.5 mm<sup>3</sup> size) anode-supported SOFCs. The penetration of the inks throughout the La<sub>0.8</sub>Sr<sub>0.2</sub>Co<sub>0.5</sub>Fe<sub>0.5</sub>O<sub>3−δ</sub> porous cathode to the Gd<sub>0.1</sub>Ce<sub>0.9</sub>O<sub>2</sub> (GDC) interlayer was achieved by optimisation of the inks’ rheology jetting parameters. The low-temperature calcination (750 °C) resulted in densification of the Gd-doped ceria porous interlayer as well as decoration of the cathode scaffold with nanoparticles (~20–50 nm in size). The I–V testing in pure hydrogen showed a maximum power density gain of ~20% at 700 °C and ~97% at 800 °C for the infiltrated cells. The latter effect was largely assigned to the improvement in the interfacial Ohmic resistance due to the densification of the interlayer. The EIS study of the polarisation losses of the reference and infiltrated cells revealed a reduction in the activation polarisations losses at 700 °C due to the nano-decoration of the La<sub>0.8</sub>Sr<sub>0.2</sub>Co<sub>0.5</sub>Fe<sub>0.5</sub>O<sub>3−δ</sub> scaffold surface. Such was not the case at 800 °C, where the drop in Ohmic losses was dominant. This work demonstrated that single-step inkjet printing infiltration, a non-disruptive, low-cost technique, can produce significant and scalable performance enhancements in commercial anode-supported SOFCs.Rumen I. TomovThomas B. Mitchel-WilliamsEleonora VeneziaMichal KawalecMariusz KrauzRamachandran Vasant KumarBartek A. GlowackiMDPI AGarticlesolid oxide fuel cellsinkjet printinginfiltrationdoped ceriacobalt oxideChemistryQD1-999ENNanomaterials, Vol 11, Iss 3095, p 3095 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	solid oxide fuel cells inkjet printing infiltration doped ceria cobalt oxide Chemistry QD1-999
spellingShingle	solid oxide fuel cells inkjet printing infiltration doped ceria cobalt oxide Chemistry QD1-999 Rumen I. Tomov Thomas B. Mitchel-Williams Eleonora Venezia Michal Kawalec Mariusz Krauz Ramachandran Vasant Kumar Bartek A. Glowacki Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs
description	Single-step inkjet printing infiltration with doped ceria Ce<sub>0.9</sub>Ye<sub>0.1</sub>O<sub>1.95</sub> (YDC) and cobalt oxide (Co<sub>x</sub>O<sub>y</sub>) precursor inks was performed in order to modify the properties of the doped ceria interlayer in commercial (50 × 50 × 0.5 mm<sup>3</sup> size) anode-supported SOFCs. The penetration of the inks throughout the La<sub>0.8</sub>Sr<sub>0.2</sub>Co<sub>0.5</sub>Fe<sub>0.5</sub>O<sub>3−δ</sub> porous cathode to the Gd<sub>0.1</sub>Ce<sub>0.9</sub>O<sub>2</sub> (GDC) interlayer was achieved by optimisation of the inks’ rheology jetting parameters. The low-temperature calcination (750 °C) resulted in densification of the Gd-doped ceria porous interlayer as well as decoration of the cathode scaffold with nanoparticles (~20–50 nm in size). The I–V testing in pure hydrogen showed a maximum power density gain of ~20% at 700 °C and ~97% at 800 °C for the infiltrated cells. The latter effect was largely assigned to the improvement in the interfacial Ohmic resistance due to the densification of the interlayer. The EIS study of the polarisation losses of the reference and infiltrated cells revealed a reduction in the activation polarisations losses at 700 °C due to the nano-decoration of the La<sub>0.8</sub>Sr<sub>0.2</sub>Co<sub>0.5</sub>Fe<sub>0.5</sub>O<sub>3−δ</sub> scaffold surface. Such was not the case at 800 °C, where the drop in Ohmic losses was dominant. This work demonstrated that single-step inkjet printing infiltration, a non-disruptive, low-cost technique, can produce significant and scalable performance enhancements in commercial anode-supported SOFCs.
format	article
author	Rumen I. Tomov Thomas B. Mitchel-Williams Eleonora Venezia Michal Kawalec Mariusz Krauz Ramachandran Vasant Kumar Bartek A. Glowacki
author_facet	Rumen I. Tomov Thomas B. Mitchel-Williams Eleonora Venezia Michal Kawalec Mariusz Krauz Ramachandran Vasant Kumar Bartek A. Glowacki
author_sort	Rumen I. Tomov
title	Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs
title_short	Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs
title_full	Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs
title_fullStr	Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs
title_full_unstemmed	Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs
title_sort	inkjet printing infiltration of the doped ceria interlayer in commercial anode-supported sofcs
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6caffb2b164b4325a642f4acfd632942
work_keys_str_mv	AT rumenitomov inkjetprintinginfiltrationofthedopedceriainterlayerincommercialanodesupportedsofcs AT thomasbmitchelwilliams inkjetprintinginfiltrationofthedopedceriainterlayerincommercialanodesupportedsofcs AT eleonoravenezia inkjetprintinginfiltrationofthedopedceriainterlayerincommercialanodesupportedsofcs AT michalkawalec inkjetprintinginfiltrationofthedopedceriainterlayerincommercialanodesupportedsofcs AT mariuszkrauz inkjetprintinginfiltrationofthedopedceriainterlayerincommercialanodesupportedsofcs AT ramachandranvasantkumar inkjetprintinginfiltrationofthedopedceriainterlayerincommercialanodesupportedsofcs AT bartekaglowacki inkjetprintinginfiltrationofthedopedceriainterlayerincommercialanodesupportedsofcs
_version_	1718411022517141504

Inkjet Printing Infiltration of the Doped Ceria Interlayer in Commercial Anode-Supported SOFCs

Ejemplares similares