Development and characterization of highly stable electrode inks for low-temperature ceramic fuel cells

Sanaz Zarabi Golkhatmi, Muhammad Imran Asghar*, Peter D. Lund

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

14 Lataukset (Pure)

Abstrakti

Inkjet printing is a potential contactless and mask-free additive manufacturing approach for solid oxide fuel cells. Here, a highly stable cathode ink using La0.6Sr0.4Co0.2Fe0.8O3 was developed and characterized with particle size analysis, viscosity, surface tension, density, and thermal analysis. Both fresh and 6-months stored inks showed excellent jetability behavior with a Z number of 2.77 and 3.45, respectively. The ink was successfully inkjet-printed on a (LiNaK)2CO3-Gd:CeO2 porous electrolyte substrate to fabricate a symmetric cell. The electrochemical impedance spectroscopy measurements showed that at 550 °C the inkjet printing lowered the ohmic resistance to one-third (from 1.05 Ω cm2 to 0.37 Ω cm2) and the mass diffusion resistance by 4.25 times (from 6.09 Ω cm2 to 1.43 Ω cm2) as compared to drop-casted cell by creating a hierarchical porous structure and increasing reaction sites. Successful inkjet printing of the functional electrode material opens up a new avenue for the fabrication of the low-temperature ceramic fuel cells.

AlkuperäiskieliEnglanti
Artikkeli232263
Sivut1-10
Sivumäärä10
JulkaisuJournal of Power Sources
Vuosikerta552
DOI - pysyväislinkit
TilaJulkaistu - 30 jouluk. 2022
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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