Inkjet 3D printing of a YSZ-based ceramic interconnect for microtubular solid oxide fuel cells

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Abstract

A new design of the interconnect for tubular solid oxide fuel cells was presented. The functions of electrical connection and mechanical/gas distribution were separated in this interconnect. The electrical connection of the elements was provided by a separate metal wire laid around the frame. The paste composition and parameters for inkjet 3D printing, as well as the sintering regime, were optimized, enabling the production of dense samples with high microhardness. This approach allows for the use of Zr0.9Y0.1O1.95 (YSZ) material, which is chemically and thermally compatible with the electrolyte, eliminating the conductivity and corrosion problems taking place in traditional interconnects.

About the authors

Anna D. Frolenkova

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS

ORCID iD: 0009-0005-5233-0006
18, Kutateladze St., Novosibirsk, 630128

Alexander Igorevich Titkov

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS

ORCID iD: 0000-0003-0835-9985
18, Kutateladze St., Novosibirsk, 630128

Ekaterina A. Perova

Institute of Chemistry of a Solid body and Mechanochemistry of the Siberian Branch of RAS; Novosibirsk State University

ORCID iD: 0009-0005-9061-6363
18, Kutateladze St., Novosibirsk, 630128

Ivan V. Tolstobrov

Vyatka State University

ORCID iD: 0000-0002-0133-6150
36 Moskovskaya St.

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