Inkjet Printing for Manufacturing Solid Oxide Fuel Cells

Gwon Deok Han, Kiho Bae, Eun Heui Kang, Hyung Jong Choi, Joon Hyung Shim

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


The thinning strategy is effective to develop high-performance solid oxide fuel cells (SOFCs) that can operate at low temperatures. The inkjet printing, which enables precise thin-film production in a simple and cost-effective manner, can have an important role in the implementation of the thin-film SOFC technology. In this study, a method to manufacture the entire SOFC using a low-cost commercial inkjet printer is proposed. All the developed ceramic inks exhibited long-term dispersion stabilities and fluid properties suitable for inkjet printing. An inkjet-printed submicron-thick yttria-stabilized zirconia electrolyte maintained a high open-circuit voltage and robust uniform microstructure during electrochemical performance measurements. A fully inkjet-printed SOFC with a submicron-thick electrolyte achieved a high-power output of 730 mW cm-2 at 650 °C and significantly low degradation rate of 0.0002 V h-1 even in the durability test. These results indicate that inkjet printing could be successfully introduced to manufacture thin-film-based SOFC stacks.

Original languageEnglish
Pages (from-to)1586-1592
Number of pages7
JournalACS Energy Letters
Issue number5
Publication statusPublished - 2020 May 8

ASJC Scopus subject areas

  • Chemistry (miscellaneous)
  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Materials Chemistry


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