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Dong Woo Joh

Daegu Gyeongbuk Institute of Science and Technology

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Featured researches published by Dong Woo Joh.

ACS Applied Materials & Interfaces | 2017

Functionally Graded Bismuth Oxide/Zirconia Bilayer Electrolytes for High-Performance Intermediate-Temperature Solid Oxide Fuel Cells (IT-SOFCs)

Dong Woo Joh; Jeong Hwa Park; Doyeub Kim; Eric D. Wachsman; Kang Taek Lee

A functionally graded Bi1.6Er0.4O3 (ESB)/Y0.16Zr0.84O1.92 (YSZ) bilayer electrolyte is successfully developed via a cost-effective screen printing process using nanoscale ESB powders on the tape-cast NiO-YSZ anode support. Because of the highly enhanced oxygen incorporation process at the cathode/electrolyte interface, a novel bilayer solid oxide fuel cell (SOFC) yields extremely high power density of ∼2.1 W cm-2 at 700 °C, which is a 2.4 times increase compared to that of the YSZ single electrolyte SOFC.

Journal of Power Sources | 2016

High performance zirconia-bismuth oxide nanocomposite electrolytes for lower temperature solid oxide fuel cells

Dong Woo Joh; Jeong Hwa Park; Do Yeub Kim; Byung-Hyun Yun; Kang Taek Lee

Journal of Alloys and Compounds | 2016

Sintering behavior and electrochemical performances of nano-sized gadolinium-doped ceria via ammonium carbonate assisted co-precipitation for solid oxide fuel cells

Dong Woo Joh; Manasa K. Rath; Jin Wan Park; Jeong Hwa Park; Ki Hyun Cho; Seung Hwan Lee; Kyung Joong Yoon; Jong-Ho Lee; Kang Taek Lee

Journal of Alloys and Compounds | 2018

Molybdenum carbide nanoparticle-decorated 3D nitrogen-doped carbon flowers as an efficient electrode for high-performance, all-solid-state symmetric supercapacitors

Kunda J. Samdani; Dong Woo Joh; Kang Taek Lee

Electrochimica Acta | 2017

Electrochemical mediatorless detection of norepinephrine based on MoO3 nanowires

Kunda J. Samdani; Dong Woo Joh; Manas K. Rath; Kang Taek Lee

International Journal of Hydrogen Energy | 2017

Development of nanostructured La0.8Sr0.2MnO3−δ-Er0.4Bi1.6O3 cathodes via an infiltration process with different polymeric agents for intermediate temperature solid oxide fuel cells

Jin Wan Park; Dong Woo Joh; Byung-Hyun Yun; Kunda J. Samdani; Kang Taek Lee

Journal of Alloys and Compounds | 2017

Heterogeneous nanograin structured NiO-YSZ anodes via a water-in-oil microemulsion route for solid oxide fuel cells

Manasa K. Rath; Yong Min Jung; Jeong Hwa Park; Dong Woo Joh; Kang Taek Lee

ACS Sustainable Chemistry & Engineering | 2018

Self-assembled Bi2MoO6 nano-petal array on carbon spheres towards enhanced supercapacitor performance

Kunda J. Samdani; Jeong Hwa Park; Dong Woo Joh; Kang Taek Lee

ACS Applied Nano Materials | 2018

In Situ Synthesized La0.6Sr0.4Co0.2Fe0.8O3−δ–Gd0.1Ce0.9O1.95 Nanocomposite Cathodes via a Modified Sol–Gel Process for Intermediate Temperature Solid Oxide Fuel Cells

Dong Woo Joh; Areum Cha; Jeong Hwa Park; Kyeong Joon Kim; Kyung Taek Bae; Doyeub Kim; Young Ki Choi; Hyegsoon An; Ji Su Shin; Kyung Joong Yoon; Kang Taek Lee

PRiME 2016/230th ECS Meeting (October 2-7, 2016) | 2016