High performance of protonic ceramic fuel cells with 1-μm-thick electrolytes fabricated by inkjet printing

Yoon Seong Kim; Wanhyuk Chang; Heon Jun Jeong; Keun Hee Kim; Hyun Soo Park; Joon Hyung Shim

doi:10.1016/j.addma.2023.103590

High performance of protonic ceramic fuel cells with 1-μm-thick electrolytes fabricated by inkjet printing

Yoon Seong Kim, Wanhyuk Chang, Heon Jun Jeong, Keun Hee Kim, Hyun Soo Park, Joon Hyung Shim

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Protonic ceramic fuel cells (PCFCs) have attracted considerable research attention owing to their high ionic conductivity and low activation energy that enables their operation at intermediate temperatures (≤600 °C). However, a lack of appropriate manufacturing technologies has limited the expected progress of their commercialization. Inkjet printing, an additive manufacturing technology that produces high-quality thin-film layers under non-vacuum conditions, may be instrumental in the practical fabrication of thin-film PCFCs. In this study, a PCFC based on an inkjet-printed BaZr_0.2Ce_0.6YZ_0.1Yb_0.1O_3–δ electrolyte layer was successfully fabricated and optimized. First, a printable ink with fluid properties suitable for inkjet printing was synthesized. The synthesized ink was used to fabricate an optimized 1.2-μm-thick electrolyte layer in a PCFC employing a drop-on-demand approach. The inkjet-printed electrolyte PCFC achieved an impressive performance of 577 mW cm^–2 and exhibited an area-specific ohmic resistance of 0.072 Ω cm² at 500 °C, which is the lowest value ever reported for a PCFC. A low degradation rate of 0.0004 V h^–1 was determined by durability experiments, indicating that inkjet printing technology can possibly contribute to the commercialization of high-performance PCFCs.

Original language	English
Article number	103590
Journal	Additive Manufacturing
Volume	71
DOIs	https://doi.org/10.1016/j.addma.2023.103590
Publication status	Published - 2023 Jun 5

Bibliographical note

Funding Information:
Funding: This work was supported by Korea Institute of Energy Technology Evaluation and Planning ( KETEP ) grant funded by the Korea government (MOTIE) ( 20213030030040 ). This research was supported by the program of Future Hydrogen Original Technology Development ( 2021M3I3A1084842 ), through the National Research Foundation of Korea (NRF), funded by the Korean government. (Ministry of Science and ICT(MSIT)). Also, this work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government(MSIT) (No. NRF-2019R1A2C2003054 ). This work was partly supported by LG Electronics(LGE) (No. C2023007188 ).

Publisher Copyright:
© 2023 Elsevier B.V.

Keywords

Ceramic additive manufacturing
Drop-on-demand approach
Inkjet printing
Protonic ceramic fuel cells
Thin-film electrolyte

ASJC Scopus subject areas

Biomedical Engineering
General Materials Science
Engineering (miscellaneous)
Industrial and Manufacturing Engineering

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10.1016/j.addma.2023.103590

Cite this

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title = "High performance of protonic ceramic fuel cells with 1-μm-thick electrolytes fabricated by inkjet printing",

abstract = "Protonic ceramic fuel cells (PCFCs) have attracted considerable research attention owing to their high ionic conductivity and low activation energy that enables their operation at intermediate temperatures (≤600 °C). However, a lack of appropriate manufacturing technologies has limited the expected progress of their commercialization. Inkjet printing, an additive manufacturing technology that produces high-quality thin-film layers under non-vacuum conditions, may be instrumental in the practical fabrication of thin-film PCFCs. In this study, a PCFC based on an inkjet-printed BaZr0.2Ce0.6YZ0.1Yb0.1O3–δ electrolyte layer was successfully fabricated and optimized. First, a printable ink with fluid properties suitable for inkjet printing was synthesized. The synthesized ink was used to fabricate an optimized 1.2-μm-thick electrolyte layer in a PCFC employing a drop-on-demand approach. The inkjet-printed electrolyte PCFC achieved an impressive performance of 577 mW cm–2 and exhibited an area-specific ohmic resistance of 0.072 Ω cm2 at 500 °C, which is the lowest value ever reported for a PCFC. A low degradation rate of 0.0004 V h–1 was determined by durability experiments, indicating that inkjet printing technology can possibly contribute to the commercialization of high-performance PCFCs.",

keywords = "Ceramic additive manufacturing, Drop-on-demand approach, Inkjet printing, Protonic ceramic fuel cells, Thin-film electrolyte",

author = "Kim, {Yoon Seong} and Wanhyuk Chang and Jeong, {Heon Jun} and Kim, {Keun Hee} and Park, {Hyun Soo} and Shim, {Joon Hyung}",

note = "Funding Information: Funding: This work was supported by Korea Institute of Energy Technology Evaluation and Planning ( KETEP ) grant funded by the Korea government (MOTIE) ( 20213030030040 ). This research was supported by the program of Future Hydrogen Original Technology Development ( 2021M3I3A1084842 ), through the National Research Foundation of Korea (NRF), funded by the Korean government. (Ministry of Science and ICT(MSIT)). Also, this work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government(MSIT) (No. NRF-2019R1A2C2003054 ). This work was partly supported by LG Electronics(LGE) (No. C2023007188 ). Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",

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AU - Park, Hyun Soo

AU - Shim, Joon Hyung

N1 - Funding Information: Funding: This work was supported by Korea Institute of Energy Technology Evaluation and Planning ( KETEP ) grant funded by the Korea government (MOTIE) ( 20213030030040 ). This research was supported by the program of Future Hydrogen Original Technology Development ( 2021M3I3A1084842 ), through the National Research Foundation of Korea (NRF), funded by the Korean government. (Ministry of Science and ICT(MSIT)). Also, this work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government(MSIT) (No. NRF-2019R1A2C2003054 ). This work was partly supported by LG Electronics(LGE) (No. C2023007188 ). Publisher Copyright: © 2023 Elsevier B.V.

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N2 - Protonic ceramic fuel cells (PCFCs) have attracted considerable research attention owing to their high ionic conductivity and low activation energy that enables their operation at intermediate temperatures (≤600 °C). However, a lack of appropriate manufacturing technologies has limited the expected progress of their commercialization. Inkjet printing, an additive manufacturing technology that produces high-quality thin-film layers under non-vacuum conditions, may be instrumental in the practical fabrication of thin-film PCFCs. In this study, a PCFC based on an inkjet-printed BaZr0.2Ce0.6YZ0.1Yb0.1O3–δ electrolyte layer was successfully fabricated and optimized. First, a printable ink with fluid properties suitable for inkjet printing was synthesized. The synthesized ink was used to fabricate an optimized 1.2-μm-thick electrolyte layer in a PCFC employing a drop-on-demand approach. The inkjet-printed electrolyte PCFC achieved an impressive performance of 577 mW cm–2 and exhibited an area-specific ohmic resistance of 0.072 Ω cm2 at 500 °C, which is the lowest value ever reported for a PCFC. A low degradation rate of 0.0004 V h–1 was determined by durability experiments, indicating that inkjet printing technology can possibly contribute to the commercialization of high-performance PCFCs.

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High performance of protonic ceramic fuel cells with 1-μm-thick electrolytes fabricated by inkjet printing

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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