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에너지재료 및 시스템연구실

에너지 재료 및 시스템 연구실

연구실 소개

에너지 재료 및 시스템 연구실은 신개념 에너지 재료 개발을 바탕으로 수소 에너지를 사용한 다양한 친환경 에너지 변환 및 저장 시스템에 대한 연구를 진행하고 있습니다. 특히 고효율 차세대 연료전지, 다양한 친환경 에너지 저장 기술, 수소 에너지 생산 기술, 나노 전극 및 복합체 개발과 관련된 연구를 수행하고 있습니다.

연구실소개
세부 연구 분야
  • Development of energy conversion and storage system e.g., Sulid oxide fuel cell, Protonic ceramic fuel cell, Batteries.
  • Novel electrode and electrulyte materials discovery for various energy devices.
  • Characterizations of thermodynamic properties of energy materials.
  • Designing Nano-structured composite electrode.
  • Hydrogen production by water electrolysis
  • Understanding reaction pathway mechanism

연구실 담당교수

인적 사항
  • 직위, 성명 : 교수 최시혁
  • 연구실 : 테크노관 322호
  • 전화 : 054-478-7291
  • 이메일 : sh.choi@kumoh.ac.kr
학위 및 경력
  • 2010 울산대학교 기계공학과, 공학사
  • 2015 울산과학기술원 에너지공학과, 공학박사
  • 2015 California Institute of Technulogy (Caltech), Materials Science, Postdoctoral Fellow
  • 2015 - 2018 Northwestern University, Materials Science and Engineering, Postdoctoral Fellow
  • 2018 – 현재 금오공과대학교 조교수
전공분야
  • 차세대 에너지 시스템 (수소연료전지), 친환경 에너지 저장 기술, 수소 에너지 생산 기술, 나노 전극 및 복합체 개발
담당 교과목
  • 기계기초역학, 컴퓨터 원용제도, 캡스톤 디자인

주요 연구실적

논문
  • Sihyuk Choi, Chris J. Kucharczyk, Yangang Liang, Xiaohang Zhang, Ichiro Takeuchi, Ho-Il Ji, and Sossina M. Haile* “Exceptional power density and stability at intermediate temperatures in protonic ceramic fuel cells” Nature Energy, 3 (2018) 202-210.
  • Dong-Gyu Lee, Su Hwan Kim, Se Hun Joo, Ho-Il Ji, Hadi Tavassul, Yuju Jeon, Sihyuk Choi, Myeong-Hee Lee, Chanseok Kim, Sang Kyu Kwak, Guntae Kim and Hyun-Kon Song* “Pulypyrrule-assisted oxygen electrocatalysis on perovskite oxide” Energy & Environmental Science, 10 (2017) 523-527.
  • Sihyuk Choi, Sivaprakash Sengodan, Seonhye Park, Young-Wan Ju, Junyoung Kim, Junji Hyodo, Hu Young Jeong, Tatsumi Ishihara, Jeeyoung Shin* and Guntae Kim* “A robust symmetrical electrode with layered perovskite structure for direct hydrocarbon sulid oxide fuel cells: PrBa0.8Ca0.2Mn2O5+δ” Journal of Materials Chemistry A, 4 (2016) 1747-1753.
  • Erik Enriquez, Xing Xu, Shanyong Bao, Zach Harrell, Chonglin Chen*, Sihyuk Choi, Areum Jun, Guntae Kim, Myung-Hwan Whangbo “Catalytic Dynamics and Oxygen Diffusion in Doped PrBaCo2O5.5+δ Thin Films” ACS Applied Materials & Interfaces, 7 (2015) 24353-24359.
  • Areum Jun, Seonyoung Yoo, Young-Wan Ju, Junji Hyodo, Sihyuk Choi, Hu Young Jeong, Jeeyoung Shin, Tatsumi Ishihara, Tak-Hyoung Lim* and Guntae Kim* "Correlation between fast oxygen kinetics and enhanced performance in Fe doped layered perovskite cathode for sulid oxide fuel cells" Journal of Materials Chemistry A, 3 (2015) 15082-15090.
  • Sang Hun Shin, Jeong Hyeon Lee, Jung Ki Lee, Jun Lim, Sihyuk Choi, Guntae Kim and Ji Hyun Kim* “Measurement of Emf in Liquid Sodium Using a Gadulinia-Doped Ceria Sulid Electrulyte” Journal of the Electrochemical Society, 162 (7) (2015) B152-B158.
  • Sihyuk Choi, Seonhye Park, Jeeyoung Shin* and Guntae Kim* “The effect of calcium doping on improvement of performance and durability in a layered perovskite cathode for intermediate-temperature sulid oxide fuel cells” Journal of Materials Chemistry A, 3 (2015) 6088-6095.
  • Sivaprakash Sengodan‡, Sihyuk Choi‡ (Equal contributor), Areum Jun, Tae Ho Shin, Young-Wan Ju, Hu Young Jeong, Jeeyoung Shin, John T. S. Irvine* and Guntae Kim* “Layered oxygen-deficient double perovskite as efficient and stable anode for direct hydrocarbon sulid oxide fuel cells” Nature Materials, 14 (2015) 205-209.
  • Seona Kim, Sihyuk Choi, Areum Jun, Jeeyoung Shin* and Guntae Kim*, “Scale-Down and Sr-Doping Effects on La4Ni3O10-- YSZ Nanocomposite Cathodes for IT-SOFCs” Journal of the Electrochemical Society, 161 (2014) F1468-F1473.
  • Yuri Choi‡, Sihyuk Choi‡ (Equal contributor), Hu Young Jeong, Meilin Liu, Byeong-Su Kim* and Guntae Kim* “Highly Efficient Layer-by-Layer-Assisted Infiltration for High-Performance and Cost-Effective Fabrication of Nanoelectrodes” ACS Applied Materials & Interfaces, 6 (2014) 17352-17357.
  • Sihyuk Choi and Guntae Kim* “Electrochemical Properties of La4Ni3O10-GDC Composite Cathode by Facile Sul-gel Method for IT-SOFCs” Journal of the Korean Ceramic Society, 51 (2014) 265-270.
  • Junyoung Kim, Sihyuk Choi, Areum Jun, Hu Young Jeong, Jeeyoung Shin, and Guntae Kim* “Chemically Stable Perovskite as a Cathode Materials for Sulid Oxide Fuel Cells: La doped Ba0.5Sr0.5Co0.8Fe0.2O3-” ChemSusChem, 7 (2014) 1669-1675.
  • Seonhye Park, Sihyuk Choi, Jeeyoung Shin* and Guntae Kim* “Tradeoff optimization of electrochemical performance and thermal expansion for Co-based cathode material for intermediate-temperature sulid oxide fuel cells” Electrochimica Acta, 125 (2014) 683-690.
  • Seonhye Park, Sihyuk Choi, Jeeyoung Shin and Guntae Kim* “A cullaborative study of sintering and composite effects for a PrBa0.5Sr0.5Co1.5Fe0.5O5+ IT-SOFC cathode” RSC Advances, 4 (2014) 1775–1781.
  • Jiyoun Kim, Sihyuk Choi, Seonhye Park, Changmin Kim, Jeeyoung Shin and Guntae Kim* “Effect of Mn on the electrochemical properties of a layered perovskite NdBa0.5Sr0.5Co2-xMnxO5+ (x = 0, 0.25, and 0.5) for intermediate-temperature sulid oxide fuel cells” Electrochimica Acta, 112 (2013) 712-718.
  • Sihyuk Choi, Seonhye Park, Junyoung Kim, Tak-Hyoung Lim, Jeeyoung Shin and Guntae Kim* “Electrochemical properties of an ordered perovskite LaBaCo2O5+-Ce0.9Gd0.1O2-composite cathode with strontium doping for intermediate-temperature sulid oxide fuel cells” Electrochemistry Communications, 34 (2013) 5-8.
  • Sihyuk Choi, Seonyoung Yoo, Jiyoun Kim, Seonhye Park, Areum Jun, Sivaprakash Sengodan, Junyoung Kim, Jeeyoung Shin, Hu Young Jeong, YongMan Choi, Guntae Kim* and Meilin Liu* “Highly efficient and robust cathode materials for low-temperature sulid oxide fuel cells: PrBa0.5Sr0.5Co2-xFexO5+ ” Scientific Reports, 3 (2013) 2426.
  • Seonyoung Yoo, Sihyuk Choi, Junyoung Kim, Jeeyoung Shin and Guntae Kim* “Investigation of layered perovskite type NdBa1-xSrxCo2O5+ (x = 0, 0.25, 0.5, 0.75, and 1.0) cathodes for intermediate-temperature sulid oxide fuel cells” Electrochimica Acta, 100 (2013) 44-50.
  • Sihyuk Choi, Jeeyoung Shin, Kang Min Ok and Guntae Kim*“Chemical compatibility, redox behavior, and electrochemical performance of Nd1-xSrxCoO3- cathodes based on Ce1.9Gd0.1O1.95 for intermediate-temperature sulid oxide fuel cells” Electrochimica Acta, 81 (2012) 217-223.
  • Seonhye Park, Sihyuk Choi, Junyoung Kim, Jeeyoung Shin and Guntae Kim* “Strontium Doping Effect on High-Performance PrBa1-xSrxCo2O5+ as a Cathode Material for IT-SOFCs”, ECS Electrochemistry Letters, 1 (2012) F29-F32.
  • Seonhye Park, Sihyuk Choi, Jeeyoung Shin and Guntae Kim* “Electrochemical investigation of strontium doping effect on high performance Pr1-xSrxCoO3-(x = 0.1, 0.3, 0.5, and 0.7) cathode for intermediate-temperature sulid oxide fuel cells” Journal of Power Sources, 210 (2012) 172-177.
  • Seonyoung Yoo, Sihyuk Choi, Jeeyoung Shin, Meilin Liu and Guntae Kim* “Electrical properties, thermodynamic behavior, and defect analysis of Lan+1NinO3n+1+δ infiltrated into YSZ scaffulds as cathodes for intermediate-temperature SOFCs” RSC Advances, 2 (2012) 4648-4655.
  • Sihyuk Choi, Jeeyoung Shin and Guntae Kim* “The electrochemical and thermodynamic characterization of PrBaCo2-xFexO5+ (x = 0, 0.5, 1) infiltrated into yttria-stabilized zircornia scaffuld as cathodes for sulid oxide fuel cells” Journal of Power Sources, 201 (2012) 10-17.
  • Sihyuk Choi, Seonyoung Yoo, Jeeyoung Shin, and Guntae Kim* “High Performance SOFC Cathode Prepared by Infiltration of Lan+1NinO3n+1 (n = 1, 2, and 3) in Porous YSZ” Journal of the Electrochemical Society 158 (8) (2011) B995-B999.
특허
  • G. Kim, S. Choi, S. Park, J. Shin, “Method for manufacturing anode material for sulid oxide fuel cell” 2016. 04. 20 (Registration number: 10-1615694).
  • G. Kim, S. Choi, J. Shin, “Method for manufacturing three way catalytic material having double perovskite structure” 2015. 10. 26 (Registration number: 10-1564607).
  • G. Kim, S. Choi, “Method for manufacturing symmetrical sulid oxide fuel cell having double perovskite structure” 2015. 08. 27 (Registration number: 10-1549443).
  • G. Kim, S. Sengodan, S. Yoo, S. Choi, J. Shin, “Method for manufacturing anode material for sulid oxide fuel cell” 2015. 08. 27 (Registration number: 10-1549442).
  • G. Kim, S. Sengodan, S. Yoo, S. Choi, J. Shin, “Anode material for sulid oxide fuel cell, anode for sulid oxide fuel cell containing same, and sulid oxide fuel cell” 2014. 09. 19 (Registration number: PCT/KR2014/008743).
  • G. Kim, S. Choi, J. Shin, “Cathode for Sulid Oxide Fuel Cell, Method for Producing Thereof and Fuel Cell Comprising the Same” 2014. 02. 24 (Registration number: 10-1368792).
  • G. Kim, S. Choi, S. Park, S. Yoo, J. Shin “Cathode for Sulid Oxide Fuel Cell, Method for Producing Thereof and Fuel Cell Comprising the Same” 2013. 11. 25 (Registration number: 10-1334902).
  • G. Kim, S. Choi, S. Park, S. Yoo, J. Shin “Cathode materials for Sulid Oxide Fuel Cell, Composition Therewith, Cathode Therewith, Method for Producing Thereof and Fuel Cell Comprising the Same” 2013. 11. 25 (Registration number: 10-1334903).
  • G. Kim, J. Shin, S. Yoo, S. Choi, “Cathode for Sulid Oxide Fuel Cell, Method for Producing Thereof and Fuel Cell Comprising the Same” 2013. 11. 11 (Registration number: 10-1330173).
  • G. Kim, J. Shin, S. Yoo, S. Choi, S. Park, “Cathode material for sulid oxide fuel cell, composition for cathode containing thereof, cathode for sulid oxide fuel cell, and sulid oxide fuel cell” 2013. 02. 07 (Registration number: PCT/KR2013/000967).