Search Results - "Park, Joohyuk"

Covalency does not suppress O2 formation in 4d and 5d Li-rich O-redox cathodes by House, Robert A., Marie, John-Joseph, Park, Joohyuk, Rees, Gregory J., Agrestini, Stefano, Nag, Abhishek, Garcia-Fernandez, Mirian, Zhou, Ke-Jin, Bruce, Peter G.

“…Layered Li-rich transition metal oxides undergo O-redox, involving the oxidation of the O 2− ions charge compensated by extraction of Li + ions. Recent results…”
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Seed-mediated atomic-scale reconstruction of silver manganate nanoplates for oxygen reduction towards high-energy aluminum-air flow batteries by Ryu, Jaechan, Jang, Haeseong, Park, Joohyuk, Yoo, Youngshin, Park, Minjoon, Cho, Jaephil

“…Aluminum–air batteries are promising candidates for next-generation high-energy-density storage, but the inherent limitations hinder their practical use. Here,…”
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Unveiling the Catalytic Origin of Nanocrystalline Yttrium Ruthenate Pyrochlore as a Bifunctional Electrocatalyst for Zn–Air Batteries by Park, Joohyuk, Park, Minjoon, Nam, Gyutae, Kim, Min Gyu, Cho, Jaephil

“…Zn–air batteries suffer from the slow kinetics of oxygen reduction reaction (ORR) and/or oxygen evolution reaction (OER). Thus, the bifunctional…”
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Metal-Free Ketjenblack Incorporated Nitrogen-Doped Carbon Sheets Derived from Gelatin as Oxygen Reduction Catalysts by Nam, Gyutae, Park, Joohyuk, Kim, Sun Tai, Shin, Dong-bin, Park, Noejung, Kim, Youngsik, Lee, Jang-Soo, Cho, Jaephil

“…Electrocatalysts facilitating oxygen reduction reaction (ORR) are vital components in advanced fuel cells and metal-air batteries. Here we report Ketjenblack…”
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Carbon-Coated Core–Shell Fe–Cu Nanoparticles as Highly Active and Durable Electrocatalysts for a Zn–Air Battery by Nam, Gyutae, Park, Joohyuk, Choi, Min, Oh, Pilgun, Park, Suhyeon, Kim, Min Gyu, Park, Noejung, Cho, Jaephil, Lee, Jang-Soo

“…Understanding the interaction between a catalyst and oxygen has been a key step in designing better electrocatalysts for the oxygen reduction reaction (ORR) as…”
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Investigation of mass loading of cathode materials for high energy lithium-ion batteries by Kim, Yujin, Kim, Moonjin, Lee, Taeyong, Kim, Eunchae, An, Minju, Park, Joohyuk, Cho, Jaephil, Son, Yeonguk

“…[Display omitted] The loading levels of electrodes are one of the crucial parameters of high energy lithium-ion batteries (LIBs); however, their effects on…”
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Electrode Conditions of Lithium-Ion Cell for Achieving High Energy Density by Lee, Chaewon, An, Minju, Kim, Eunchae, An, Hyosang, Park, Joohyuk, Jo, Changshin, Son, Yeonguk

“…Lithium-ion batteries (LIBs) have become integral to various aspects of the modern world and serve as the leading technology for the electrification of mobile…”
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Alignment of multi-walled carbon nanotubes in a polyethylene matrix by extrusion shear flow: mechanical properties enhancement by Abu Bakar Sulong, Park, Joohyuk

“…This article discusses the effect of shear rates on the alignment of Multi-walled Carbon Nanotubes (MWCNTs) in a polyethylene (PE) matrix. Shear forces were…”
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A Perspective on the Requirements of Ni‐rich Cathode Surface Modifications for Application in Lithium‐ion Batteries and All‐Solid‐State Lithium‐ion Batteries by Choi, Jae Hong, Embleton, Tom James, Ko, Kyungmok, Jang, Haeseong, Son, Yoonkook, Park, Joohyuk, Lee, Songyi, Oh, Pilgun

“…The increasing adoption of Ni‐rich cathode active materials in commercial liquid electrolyte Lithium‐ion batteries (LIBs) is testament to the improvements in…”
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Advances in Understanding Mechanisms of Perovskites and Pyrochlores as Electrocatalysts using In‐Situ X‐ray Absorption Spectroscopy by Park, Joohyuk, Cho, Jaephil

“…Metal oxides are some of the most promising candidates as electrocatalysts for electrical‐energy‐storage (EES) systems. Particularly, perovskite and pyrochlore…”
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All-Solid-State Cable-Type Flexible Zinc-Air Battery by Park, Joohyuk, Park, Minjoon, Nam, Gyutae, Lee, Jang-soo, Cho, Jaephil

“…A cable‐type flexible Zn–air battery with a spiral zinc anode, gel polymer electrolyte (GPE), and air cathode coated on a nonprecious metal catalyst is…”
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Progress and challenges in engineering the atomic structure of oxygen electrocatalysts for zinc-air batteries by Choi, Jinyeong, Jang, Hyeokjun, Park, Jihan, Han, Duho, Lahiri, Abhishek, Oh, Pilgun, Park, Joohyuk, Park, Minjoon

“…•The reasons for the improved performance of cathode catalysts are discussed.•The correlation between the geometric properties of the catalyst and charge/ion…”
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Advances in Understanding Mechanisms of Perovskites and Pyrochlores as Electrocatalysts using In‐Situ X‐ray Absorption Spectroscopy by Park, Joohyuk, Cho, Jaephil

“…Metal oxides are some of the most promising candidates as electrocatalysts for electrical‐energy‐storage (EES) systems. Particularly, perovskite and pyrochlore…”
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Advances in Understanding Mechanisms of Perovskite and Pyrochlore as Electrocatalysts using In Situ X-ray Absorption Spectroscopy by Park, Joohyuk, Cho, Jaephil

“…Metal oxides are one of the promising candidates as electrocatalysts for electrical energy storage (EES) systems. Particularly, perovskite and pyrochlore…”
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A Ternary Ni46Co40Fe14 Nanoalloy‐Based Oxygen Electrocatalyst for Highly Efficient Rechargeable Zinc–Air Batteries by Nam, Gyutae, Son, Yeonguk, Park, Sung O, Jeon, Woo Cheol, Jang, Haeseong, Park, Joohyuk, Chae, Sujong, Yoo, Youngshin, Ryu, Jaechan, Kim, Min Gyu, Kwak, Sang Kyu, Cho, Jaephil

“…Replacing noble‐metal‐based oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) electrocatalysts is the key to developing efficient Zn–air…”
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Fabrication of Ba0.5Sr0.5Co0.8Fe0.2O3-δ Catalysts with Enhanced Electrochemical Performance by Removing an Inherent Heterogeneous Surface Film Layer by Jung, Jae-Il, Jeong, Hu Young, Kim, Min Gyu, Nam, Gyutae, Park, Joohyuk, Cho, Jaephil

“…A heat‐treatment approach for Ba0.5Sr0.5Co0.8Fe0.2O3–δ (BSCF5582) is introduced as a way of enhancing the electrocatalytic performance of perovskite catalysts…”
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Joint Source-Channel Coding for Channel-Adaptive Digital Semantic Communications by Park, Joohyuk, Oh, Yongjeong, Kim, Seonjung, Jeon, Yo-Seb

“…In this paper, we propose a novel joint source-channel coding (JSCC) approach for channel-adaptive digital semantic communications. In semantic communication…”
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Understanding the Carbon Additive/Sulfide Solid Electrolyte Interface in Nickel-Rich Cathode Composites and Prioritizing the Corresponding Interplay between the Electrical and Ionic Conductive Networks to Enhance All-Solid-State-Battery Rate Capability by Saqib, Kashif Saleem, Embleton, Tom James, Choi, Jae Hong, Won, Sung-Jae, Ali, Jahanzaib, Ko, Kyungmok, Choi, Sumyeong, Jo, Mina, Park, Sungwoo, Park, Joohyuk, Kaveevivitchai, Watchareeya, Son, Yoonkook, Lee, Woo-Jae, Oh, Pilgun

“…All-solid-state lithium batteries, including sulfide electrolytes and nickel-rich layered oxide cathode materials, promise safer electrochemical energy storage…”
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Low-Index Facet Polyhedron-Shaped Binary Cerium Titanium Oxide for High-Voltage Aqueous Zinc–Vanadium Redox Flow Batteries by Choi, Jinyeong, Park, Joohyuk, Park, Jihan, Kim, Minsoo, Lee, Soobeom, Cho, Chae Ryong, Lee, Jin Hong, Park, Yiseul, Kim, Min Gyu, Choi, Jaewon, Park, Jun-Woo, Park, Minjoon

“…Aqueous zinc-vanadium hybrid redox flow battery systems are an efficient strategy to address the problems of low voltage and high cost of conventional…”
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Highly Active Bifunctional Electrocatalysts for Oxygen Evolution and Reduction in Zn–Air Batteries by Kim, Sung‐Wook, Son, Yoonkook, Choi, Keunsu, Kim, Sun‐I, Son, Yeonguk, Park, Joohyuk, Lee, Jun Hee, Jang, Ji‐Hyun

“…To realize the full performance of Zn–air batteries, the co‐presence of a highly efficient oxygen reduction reaction (ORR) and an oxygen evolution reaction…”
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