Search Results - "Choi, Sang‐Il"

Morphology‐Controlled Metal Sulfides and Phosphides for Electrochemical Water Splitting by Joo, Jinwhan, Kim, Taekyung, Lee, Jaeyoung, Choi, Sang‐Il, Lee, Kwangyeol

“…Because H2 is considered a promising clean energy source, water electrolysis has attracted great interest in related research and technology. Noble‐metal‐based…”
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Pt and Pt–Ni(OH)2 Electrodes for the Hydrogen Evolution Reaction in Alkaline Electrolytes and Their Nanoscaled Electrocatalysts by Ruqia, Bibi, Choi, Sang‐Il

“…The design and synthesis of Pt‐based electrocatalysts for the hydrogen evolution reaction (HER) are of great importance for the successful development of…”
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A Review on MXene as Promising Support Materials for Oxygen Evolution Reaction Catalysts by Anne, Bhargavi Rani, Kundu, Joyjit, Kabiraz, Mrinal Kanti, Kim, Jeonghyeon, Cho, Daeheum, Choi, Sang‐Il

“…The harsh operating conditions of the oxygen evolution reaction (OER) in water electrolysis severely degrade the activity and stability of the electrocatalysts…”
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Nanocatalyst Design for Long‐Term Operation of Proton/Anion Exchange Membrane Water Electrolysis by Jin, Haneul, Ruqia, Bibi, Park, Yeji, Kim, Hee Jin, Oh, Hyung‐Suk, Choi, Sang‐Il, Lee, Kwangyeol

“…Long‐term catalyst stability is essential for the commercialization of hydrogen generation by electrocatalytic water‐splitting. Current research, however,…”
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Template‐Directed Rapid Synthesis of Pd‐Based Ultrathin Porous Intermetallic Nanosheets for Efficient Oxygen Reduction by Guo, Jingchun, Gao, Lei, Tan, Xin, Yuan, Yuliang, Kim, Jeonghyeon, Wang, Yu, Wang, Hui, Zeng, Yu‐Jia, Choi, Sang‐Il, Smith, Sean C., Huang, Hongwen

“…Atomically ordered intermetallic nanoparticles exhibit improved catalytic activity and durability relative to random alloy counterparts. However, conventional…”
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Strategies to Modulate the Copper Oxidation State Toward Selective C2+ Production in the Electrochemical CO2 Reduction Reaction by Jun, Minki, Kundu, Joyjit, Kim, Duck Hyun, Kim, Minah, Kim, Dongyong, Lee, Kwangyeol, Choi, Sang‐Il

“…The electrochemical reduction of CO2 to form value‐added chemicals receives considerable attention in recent years. Copper (Cu) is recognized as the only…”
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Ultrathin Free-Standing Ternary-Alloy Nanosheets by Hong, Jong Wook, Kim, Yena, Wi, Dae Han, Lee, Seunghoon, Lee, Su-Un, Lee, Young Wook, Choi, Sang-Il, Han, Sang Woo

“…A synthesis strategy for the preparation of ultrathin free‐standing ternary‐alloy nanosheets is reported. Ultrathin Pd‐Pt‐Ag nanosheets with a thickness of…”
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Revisit to Grain Boundary Effect in Pt Nanocrystals toward the Oxygen Electroreduction Reaction by Kabiraz, Mrinal Kanti, Choi, Sang‐Il

“…The effect of catalytic surface defects in the oxygen reduction reaction (ORR) has been extensively studied to enhance the performance of…”
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Pt Dopant: Controlling the Ir Oxidation States toward Efficient and Durable Oxygen Evolution Reaction in Acidic Media by Choi, Songa, Park, Jongsik, Kabiraz, Mrinal Kanti, Hong, Youngmin, Kwon, Taehyun, Kim, Taekyung, Oh, Aram, Baik, Hionsuck, Lee, Minseop, Paek, Seung‐Min, Choi, Sang‐Il, Lee, Kwangyeol

“…Dissolution of Ir oxides in Ir‐based catalysts, which is closely linked to the catalyst activity and stability toward the oxygen evolution reaction (OER) in…”
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Catalytic Surface Specificity of Ni(OH)2‐Decorated Pt Nanocubes for the Hydrogen Evolution Reaction in an Alkaline Electrolyte by Hong, Youngmin, Choi, Chang Hyuck, Choi, Sang‐Il

“…Because the hydrogen evolution reaction (HER) in alkaline electrolyzers is initiated by water dissociation, the hydrogen evolution kinetics are sluggish even…”
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Boosting Activity and Selectivity of CO2 Electroreduction by Pre‐Hydridizing Pd Nanocubes by Chang, Qiaowan, Kim, Jeonghyeon, Lee, Ji Hoon, Kattel, Shyam, Chen, Jingguang G., Choi, Sang‐Il, Chen, Zheng

“…The electrochemical CO2 reduction reaction (CO2RR) to syngas represents a promising solution to mitigate CO2 emissions and manufacture value‐added chemicals…”
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Recent Progress in Bifunctional Electrocatalysts for Overall Water Splitting under Acidic Conditions by Jin, Haneul, Joo, Jinwhan, Chaudhari, Nitin K., Choi, Sang‐Il, Lee, Kwangyeol

“…Water electrolysis is an important energy conversion technology used to produce hydrogen on a mass scale. Until now, special emphasis has been placed on…”
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Autocatalytic Surface Reduction‐Assisted Synthesis of PtW Ultrathin Alloy Nanowires for Highly Efficient Hydrogen Evolution Reaction by Gao, Lei, Yang, Zhilong, Sun, Tulai, Tan, Xin, Lai, Wenchuan, Li, Mengfan, Kim, Jeonghyeon, Lu, Yang‐Fan, Choi, Sang‐Il, Zhang, Wenhua, Ma, Chao, Smith, Sean C., Zhou, Yi‐Ge, Huang, Hongwen

“…Alloying noble metal catalysts with early transition metals (ETMs) has shown great promise by simultaneously boosting catalytic activity and durability because…”
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Atomic Layer-by-Layer Deposition of Pt on Pd Nanocubes for Catalysts with Enhanced Activity and Durability toward Oxygen Reduction by Xie, Shuifen, Choi, Sang-Il, Lu, Ning, Roling, Luke T, Herron, Jeffrey A, Zhang, Lei, Park, Jinho, Wang, Jinguo, Kim, Moon J, Xie, Zhaoxiong, Mavrikakis, Manos, Xia, Younan

“…An effective strategy for reducing the Pt content while retaining the activity of a Pt-based catalyst is to deposit the Pt atoms as ultrathin skins of only a…”
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Nickel Nanoplates Enclosed by (111) Facets as Durable Oxygen Evolution Catalysts in Anion Exchange Membrane Water Electrolyzers by Kabiraz, Mrinal Kanti, Kim, Jeonghyeon, Lee, Hye Jin, Park, Saehyun, Lee, Young Wook, Choi, Sang‐Il

“…The long‐term stability of Ni‐based catalysts, employed in the anode of anion exchange membrane water electrolyzers (AEMWE), has been a persisting concern. In…”
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Facile Synthesis of Sub-20 nm Silver Nanowires through a Bromide-Mediated Polyol Method by da Silva, Robson Rosa, Yang, Miaoxin, Choi, Sang-Il, Chi, Miaofang, Luo, Ming, Zhang, Chao, Li, Zhi-Yuan, Camargo, Pedro H. C, Ribeiro, Sidney José Lima, Xia, Younan

“…Essentially all of the Ag nanowires reported in the literature have sizes larger than 30 nm in diameter. In this article, we report a simple and robust…”
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Classification of Gait Type Based on Deep Learning Using Various Sensors with Smart Insole by Lee, Sung-Sin, Choi, Sang Tae, Choi, Sang-Il

“…In this paper, we proposed a gait type classification method based on deep learning using a smart insole with various sensor arrays. We measured gait data…”
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Polyol Synthesis of Ultrathin Pd Nanowires via Attachment-Based Growth and Their Enhanced Activity towards Formic Acid Oxidation by Wang, Yi, Choi, Sang-Il, Zhao, Xin, Xie, Shuifen, Peng, Hsin-Chieh, Chi, Miaofang, Huang, Cheng Zhi, Xia, Younan

“…Palladium wavy nanowires with an ultrathin diameter of 2 nm are synthesized using the polyol method without the involvement of any template. The success of…”
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Atomic Layer-by-Layer Deposition of Platinum on Palladium Octahedra for Enhanced Catalysts toward the Oxygen Reduction Reaction by Park, Jinho, Zhang, Lei, Choi, Sang-Il, Roling, Luke T, Lu, Ning, Herron, Jeffrey A, Xie, Shuifen, Wang, Jinguo, Kim, Moon J, Mavrikakis, Manos, Xia, Younan

“…We systematically evaluated two different approaches to the syntheses of Pd@Pt nL (n = 2–5) core–shell octahedra. We initially prepared the core–shell…”
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Surface engineering in improving activity of Pt nanocubes for ammonia electrooxidation reaction by Siddharth, Kumar, Hong, Youngmin, Qin, Xueping, Lee, Hye Jin, Chan, Yat Tung, Zhu, Shangqian, Chen, Guohua, Choi, Sang-Il, Shao, Minhua

“…[Display omitted] •Ir decoration could increase AOR activity of Pt nanocubes by more than twice.•DFT calculations and Ge irreversible adsorption results…”
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