journal article·2024-02Open access

Lowering the Temperature of Solid Oxide Electrochemical Cells Using Triple‐Doped Bismuth Oxides (Adv. Mater. 5/2024)

Hyeongmin Yu, Incheol Jeong, Seungsoo Jang, Doyeub Kim, Ha‐Ni Im, Chan‐Woo Lee, Eric D. Wachsman, Kang Taek Lee

Advanced Materials· Volume 36· Issue 5

Abstract

Bismuth Oxides In article number 2306205, Eric D. Wachsman, Kang Taek Lee, and co-workers report outstandingly conductive and stable bismuth oxides through a rational triple-doping strategy. The developed bismuth oxides show ≈140 times higher conductivity than YSZ for 1000 h at 600 °C. Designed low-temperature solid oxide electrochemical cells, utilizing the bismuth oxides, exhibit exceptional performances in both fuel cell (2.02 W cm−2) and electrolysis modes (0.95 A cm−2 at 1.3 V) at 600 °C.
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Research context

OpenAlex topics: Advancements in Solid Oxide Fuel Cells

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Affiliations

Department of Mechanical Engineering KAIST Daejeon 34141 Republic of Korea

Computational Science and Engineering Laboratory KIER Daejeon 34129 Republic of Korea

Maryland Energy Innovation Institute Department of Materials Science and Engineering University of Maryland College Park MD 20742 USA

KAIST Graduate School of Green Growth & Sustainability Daejeon 34141 Republic of Korea

References

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