Understanding the relationship between ink rheology and film properties for screen-printed nickel/scandia-stabilized-zirconia anodes

Mahendra Rao Somalu, Andanastuti Muchtar, M. G. Baboli, V. Yufit, I. P. Shapiro, P. Xiao, N. P. Brandon

Research output: Chapter in Book/Report/Conference proceedingConference contribution

6 Citations (Scopus)

Abstract

Optimization of SOFC electrode or electrolyte screen-printing ink processing conditions is critical to the reliable manufacture of high quality films with optimum properties. Hence, in this study, the relationship between the ink rheology and the screen-printed film properties were investigated using nickel/scandia-stabilized-zirconia (NiO/ScSZ) anode inks having various binder (0-5 wt%) and solid contents (20-35 vol%). Ink rheological tests showed increased particle network strength in the inks with increasing binder and solids content. The electronic conductivity and electrochemical performance of anode films also increased as a function of binder and solids content. These can be related to increased particle network strength within the inks, as confirmed from the rheological studies. In conclusion, from the perspective of ink rheology, screen-printability and performance, inks having 26 vol% solid with 3 wt% binder or 28-30 vol% solid with 2 wt% binder were determined as the most suitable for the manufacturing of high quality SOFC anode films with a thickness of around 10 μ m.

Original languageEnglish
Title of host publicationECS Transactions
PublisherElectrochemical Society Inc.
Pages1321-1330
Number of pages10
Volume57
Edition1
DOIs
Publication statusPublished - 2013

Fingerprint

Scandium
Rheology
Ink
Zirconia
Anodes
Nickel
Binders
Solid oxide fuel cells (SOFC)
Screen printing
Electrolytes
Electrodes
Processing

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Somalu, M. R., Muchtar, A., Baboli, M. G., Yufit, V., Shapiro, I. P., Xiao, P., & Brandon, N. P. (2013). Understanding the relationship between ink rheology and film properties for screen-printed nickel/scandia-stabilized-zirconia anodes. In ECS Transactions (1 ed., Vol. 57, pp. 1321-1330). Electrochemical Society Inc.. https://doi.org/10.1149/05701.1321ecst

Understanding the relationship between ink rheology and film properties for screen-printed nickel/scandia-stabilized-zirconia anodes. / Somalu, Mahendra Rao; Muchtar, Andanastuti; Baboli, M. G.; Yufit, V.; Shapiro, I. P.; Xiao, P.; Brandon, N. P.

ECS Transactions. Vol. 57 1. ed. Electrochemical Society Inc., 2013. p. 1321-1330.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Somalu, MR, Muchtar, A, Baboli, MG, Yufit, V, Shapiro, IP, Xiao, P & Brandon, NP 2013, Understanding the relationship between ink rheology and film properties for screen-printed nickel/scandia-stabilized-zirconia anodes. in ECS Transactions. 1 edn, vol. 57, Electrochemical Society Inc., pp. 1321-1330. https://doi.org/10.1149/05701.1321ecst
Somalu MR, Muchtar A, Baboli MG, Yufit V, Shapiro IP, Xiao P et al. Understanding the relationship between ink rheology and film properties for screen-printed nickel/scandia-stabilized-zirconia anodes. In ECS Transactions. 1 ed. Vol. 57. Electrochemical Society Inc. 2013. p. 1321-1330 https://doi.org/10.1149/05701.1321ecst
Somalu, Mahendra Rao ; Muchtar, Andanastuti ; Baboli, M. G. ; Yufit, V. ; Shapiro, I. P. ; Xiao, P. ; Brandon, N. P. / Understanding the relationship between ink rheology and film properties for screen-printed nickel/scandia-stabilized-zirconia anodes. ECS Transactions. Vol. 57 1. ed. Electrochemical Society Inc., 2013. pp. 1321-1330
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