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02/28/2020 Interview > Faculty > 우수연구자


[HY's Excellence] A world-renowned authority on the development of next-generation batteries

Professor Yang-Kook Sun


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Yang Kook Sun is a professor of Energy Engineering at Hanyang University, Korea. He received his PhD in Chemical Engineering from Seoul National University in 1992. After that, he joined Samsung Advanced Institute of Technology, where he was the team leader of the lithium polymer battery and his contribution was a cornerstone for the commercialization of the lithium polymer battery of Samsung SDI. He received the “Grand Prize Award” from the Korea Patent Association due to his contribution to lithium ion battery commercialization in 1999. After joining Hanyang University in 2000, he became an active member of The Korean Academy of Science and Technology in 2007, The National Academy of Engineering of Korea in 2016, and became a Distinguished Professor at Hanyang University in 2008.

Professor Sun is also very active in the scientific community, giving a large number of invited talks, chairing many sessions, and organizing conferences on energy storage. He contributes a lot to our community by serving as a senior editor for ACS Energy Letters and before then he served as an editor for the journal of Power Sources. For his contributions in his field, he received a myriad number of awards for his accomplishments including Research Awards from the Energy Technology Division and the Battery Division of The Electrochemical Society (ECS) in 2007 and 2011, R&D 100 Award from R&D Magazine in 2012, National Green Technology award from Korea Industrial Technology Association in 2012, Lithium-ion Battery award of Ministry of Trade, Industry, and Energy from Korea Battery Industry Association in 2014, Innovative Knowledge Award from Ministry of Science, ICT and Future Planning in 2015, and Engineering Award from Gyeongam Foundation in 2016. In addition, he was selected as a Highly Cited Researcher (HCR) for ranking among the top 1% of researchers in his specific field by Clarivate Analytics 2016, 2017, 2018 and 2019. He received Technology Awards from the Battery Division of ECS in 2017 and became ECS Fellow in 2019.

Professor Sun’s major research interests are design, synthesis and structural analysis of new innovative energy storage and conversion of materials, and their applications in electrochemical devices of lithium-ion, lithium-sulfur, lithium-air, and sodium-ion batteries. One of his pioneering research works in lithium-ion battery field is the establishment of core-shell and concentration-gradient type composite cathode materials based on lithium-nickel-cobalt-manganese oxides. These innovative cathode materials have been licensed in 2008, 2010, and 2014 by three Korean companies and have recently undergone production for use in E-bike batteries by LG Chemical Ltd and in ‘2018 Niro EV’ electric vehicle batteries by Kia Motors Corporation. The concentration-gradient cathode material has received further attention from numerous companies and is expected to be employed for electronic vehicles. We anticipate that this novel approach should lead to the design and development of a wide range of other safe and stable high-capacity intercalation compounds. The concept of concentration-gradient has already been applied to sodium-ion cathode materials resulting in high-capacity and prolonged cycle life compared to conventiaonl sodium-ion cathode materials. Professor Sun has also contributed to the lithium-air battery community by setting the standard test-mode for operation through using cut-off capacity instead of cut-off voltage and employing tetraethylene glycol dimethyl ether (TEGDME) as most commonly used electrolyte in the field. Furthermore, he is fabricating high electrochemical performance pouch-type cells in lithium-sulfur and lithium-air batteries to investigate their practical cell performance and problems in commercial batteries which are shadowed in coin-type cells. Currently, he has expanded his research to lithium-metal-ion batteries for higher energy density batteries.

Today, his research has cumulated to more than 600 publications and 491 registered and applied patents in the field of batteries and electrochemistry. He is still very active in his field of research and continues to collaborate with multiple researchers from around the world to make contributions to the field of batteries and electrochemistry.
  - 2019 Class of Fellows, The Electrochemical Society (U.S.A)

  - 2019 ~ present ECS Fellow, Electrochemical Society

  - 2017 The Battery Division Technology Award, The Electrochemical Society (U.S.A.)

  - 2016 ~ present Member, The National Academy of Engineering of Korea

  - 2016 ~ present Senior Editor of ACS Energy Letters

  - 2016 ~ 2019 Highly Cited Researcher(Material Science), Clarivate Analytics

  - 2012 ~ 2016 Editor of Journal of Power Sources

  - 2012 R&D 100 Award, R&D Magazine (U.S.A.)

  - 2011 The Battery Division Research Award, The Electrochemical Society (U.S.A.)

  - 2009 ~ present Distinguished Professor, Department of Energy Engineering, Hanyang University

  - 2008 ~ 2013 Senior Visiting Scientist, Argonne National Lab. (U.S.A.)

  - 2000 ~ 2009 Professor, Department of Chemical Engineering, Hanyang University

  - 1996 ~ 2000 Principle Research Engineer (Team Leader of Lithium Polymer Battery), Samsung Advanced Institute of Technology

  - 1992 Ph.D. in Chemical Engineering, Seoul National Universit

  - Cathode Materials for Lithium-ion Batteries
   · Advanced Cathode / Core-Shell & Concentration Gradient Material
   · Olivine Phosphate
   · Surface Modification 
  - Lithium Air Batteries
   · Porous cathode for high efficiency and cyclability with ORR & OER catalytic effect 
   · Suitable electrolyte for stable and effective Li-O2 battery system
   · Suggestion of new mechanism in Li-O2 battery system
  - Lithium Sulfur Batteries
   · High performance Li-S Battery Cathode
   · Li-S Battery Electrolyte Application
   · LixSi-S Battery system : Full cell
  - Sodium-ion Batteries
   · Novel concept transition metal oxide cathode materials
   · Advanced anode materials
   · Optimization of full cells fabrication for practical approaches 

“Sodium-ion batteries: present and future”, CHEMICAL SOCIETY REVIEWS, 2017 Find more
“Aprotic and Aqueous Li-O-2 Batteries”, CHEMICAL REVIEWS, 2014 Find more
“A nanostructured cathode architecture for low charge overpotential in lithium-oxygen batteries”, NATURE COMMUNICATIONS, 2013 Find more
“Anatase Titania Nanorods as an Intercalation Anode Material for Rechargeable Sodium Batteries”, NANO LETTERS, 2014 Find more
 “Ruthenium-Based Electrocatalysts Supported on Reduced Graphene Oxide for Lithium-Air Batteries”, ACS NANO, 2013 Find more
“Nickel-Rich Layered Cathode Materials for Automotive Lithium-Ion Batteries: Achievements and Perspectives”, ACS ENERGY LETTERS, 2017 Find more
“The Application of Metal Sulfides in Sodium Ion Batteries”, ADVANCED ENERGY MATERIALS, 2017 Find more
“High Electrochemical Performances of Microsphere C-TiO2 Anode for Sodium-Ion Battery”, ACS APPLIED MATERIALS & INTERFACES, 2014 Find more
 “High-energy-density lithium-ion battery using a carbon-nanotube-Si composite anode and a compositionally graded Li[Ni0.85Co0.05Mn0.10]O-2 cathode”, ENERGY & ENVIRONMENTAL SCIENCE, 2016 Find more
“Nanostructured metal phosphide-based materials for electrochemical energy storage”, JOURNAL OF MATERIALS CHEMISTRY A, 2016 Find more
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