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Open AccessArticle

Inkjet Printing Functionalization of SOFC LSCF Cathodes

Department of Chemical, Civil and Environmental Engineering, Università degli studi di Genova, 16146 Genova, Italy
CNR-ICMATE, c/o DICCA-UNIGE, 16145 Genova, Italy
Department of Materials Science and Metallurgy, University of Cambridge, Cambridge CB2 1TN, UK
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(4), 654;
Received: 26 March 2019 / Revised: 15 April 2019 / Accepted: 19 April 2019 / Published: 24 April 2019
(This article belongs to the Special Issue Inkjet Printing of Nanomaterials)
An important segment of the future renewable energy economy is the implementation of novel energy generation systems. Such electrochemical systems are solid oxide fuel cells, which have the advantage of direct conversion of the chemical energy stored in the fuel to electrical energy with high efficiency. Improving the performance and lowering the cost of solid oxide fuel cells (SOFCs) are strongly dependent on finding commercially viable methods for nano-functionalization of their electrodes via infiltration. Inkjet printing technology was proven to be a feasible method providing scalability and high-resolution ink delivery. LaxSr1−xCoyFe1−yO3−δ cathodes were modified using inkjet printing for infiltration with two different materials: Gd-doped ceria (CGO) commonly used as ion-conductor and La0.6Sr0.4CoO3–δ (LCO) commonly used as a mixed ionic electronic conductor. As-modified surface structures promoted the extension of the three-phase boundary (TPB) and enhanced the mechanisms of the oxygen reduction reaction. Electrochemical impedance measurements revealed significantly lowered polarization resistances (between 2.7 and 3.7 times) and maximum power output enhancement of 24% for CGO infiltrated electrodes and 40% for LCO infiltrated electrodes. View Full-Text
Keywords: inkjet printing; infiltration; nanoparticles; solid oxide fuel cells inkjet printing; infiltration; nanoparticles; solid oxide fuel cells
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MDPI and ACS Style

Venezia, E.; Viviani, M.; Presto, S.; Kumar, V.; Tomov, R.I. Inkjet Printing Functionalization of SOFC LSCF Cathodes. Nanomaterials 2019, 9, 654.

AMA Style

Venezia E, Viviani M, Presto S, Kumar V, Tomov RI. Inkjet Printing Functionalization of SOFC LSCF Cathodes. Nanomaterials. 2019; 9(4):654.

Chicago/Turabian Style

Venezia, Eleonora; Viviani, Massimo; Presto, Sabrina; Kumar, Vasant; Tomov, Rumen I. 2019. "Inkjet Printing Functionalization of SOFC LSCF Cathodes" Nanomaterials 9, no. 4: 654.

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