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

Sanaz Zarabi Golkhatmi; Muhammad Imran Asghar; Peter D. Lund

doi:10.1016/j.jpowsour.2022.232263

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

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

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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 La_0.6Sr_0.4Co_0.2Fe_0.8O₃ 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.

Alkuperäiskieli	Englanti
Artikkeli	232263
Sivut	1-10
Sivumäärä	10
Julkaisu	Journal of Power Sources
Vuosikerta	552
DOI - pysyväislinkit	https://doi.org/10.1016/j.jpowsour.2022.232263
Tila	Julkaistu - 30 jouluk. 2022
OKM-julkaisutyyppi	A1 Julkaistu artikkeli, soviteltu

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10.1016/j.jpowsour.2022.232263Lisenssi: CC BY

Development and characterization of highly stable electrode inks for low-temperature ceramic fuel cellsFinal published version, 6,54 MBLisenssi: CC BY

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Asghar, I., Bilbey, B., Jouttijärvi, S., Markkanen, M., Savikko, A. & Zarabi Golkhatmi, S.
01/09/2019 → 31/08/2022
Projekti: Academy of Finland: Other research funding

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@article{bc3c79682df5472dafa8fcf0f2b52732,

title = "Development and characterization of highly stable electrode inks for low-temperature ceramic fuel cells",

abstract = "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.",

keywords = "Ceramics, Electrode, Inkjet printing, Solid oxide fuel cell, Stability",

author = "Golkhatmi, {Sanaz Zarabi} and Asghar, {Muhammad Imran} and Lund, {Peter D.}",

note = "Funding Information: The authors are thankful to Academy of Finland (Grant No. 13329016 , 13322738 ) for the financial support. Dr. Asghar also thanks the Hubei Overseas Talent 100 program. ",

year = "2022",

month = dec,

day = "30",

doi = "10.1016/j.jpowsour.2022.232263",

language = "English",

volume = "552",

pages = "1--10",

journal = "Journal of Power Sources",

issn = "0378-7753",

publisher = "ELSEVIER SCIENCE B.V.",

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TY - JOUR

T1 - Development and characterization of highly stable electrode inks for low-temperature ceramic fuel cells

AU - Golkhatmi, Sanaz Zarabi

AU - Asghar, Muhammad Imran

AU - Lund, Peter D.

N1 - Funding Information: The authors are thankful to Academy of Finland (Grant No. 13329016 , 13322738 ) for the financial support. Dr. Asghar also thanks the Hubei Overseas Talent 100 program.

PY - 2022/12/30

Y1 - 2022/12/30

N2 - 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.

AB - 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.

KW - Ceramics

KW - Electrode

KW - Inkjet printing

KW - Solid oxide fuel cell

KW - Stability

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U2 - 10.1016/j.jpowsour.2022.232263

DO - 10.1016/j.jpowsour.2022.232263

M3 - Article

AN - SCOPUS:85140299702

VL - 552

SP - 1

EP - 10

JO - Journal of Power Sources

JF - Journal of Power Sources

SN - 0378-7753

M1 - 232263

ER -

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

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