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Choi, Nam-Soon (최남순)

Department
School of Energy and Chemical Engineering(에너지화학공학과)
Website
http://surfchem.unist.ac.kr
Lab
Energy Materials Lab. (에너지 재료 연구실)
Research Keywords
이차전지, 차세대배터리, Rechargeable lithium battery, electrolytes, binders, ionic liquids, Rechargeable battery, Advanced Rechargeable Batteries
Research Interests
Our group focuses on the mechanistic analysis of electrode-electrolyte interfaces and the development of tailored electrolyte systems that can ensure good battery performance. We propose unique and effective solutions to improve the interfacial stability of high-voltage and high-capacity electrodes without degradation of battery performance. Our pioneer research sparked the study of electrolytes and polymeric binders for further improvement of battery performance. Furthermore, we are developing a new electrolyte formulation using our high-level electrolyte technology to produce long-lasting alkali (Li, Na, and Mg) metal batteries and realize the highly safe operation of batteries.
* Our group’s outstanding works: electrolyte additives, electrolyte formulation, binders- FEC : Fluoroethylene carbonate- Crosslinked binder : Crosslinked structure based on poly(acrylic acid) and carboxymethyl cellulose- TMSPi : Tris(trimethyl)silyl phosphite- Mg(TFSI)2-diglyme : Magnesium (II) bis(trifluoromethane sulfonyl)imide dissolved in a mixed solvent of dimethoxyethane and diethyleneglycol dimethyl ether
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Issue DateTitleAuthor(s)TypeViewAltmetrics
2018-06Unsymmetrical fluorinated malonatoborate as an amphoteric additive for high-energy-density lithium- ion batteriesHan, Jung-Gu; Lee, Jae Bin; Cha, Aming, et alARTICLE650 Unsymmetrical fluorinated malonatoborate as an amphoteric additive for high-energy-density lithium- ion batteries
2018-05Fluoroethylene Carbonate-Based Electrolyte with 1 M Sodium Bis(fluorosulfonyl)imide Enables High-Performance Sodium Metal ElectrodesLee, Yongwon; Lee, Jaegi; Lee, Jeongmin, et alARTICLE472 Fluoroethylene Carbonate-Based Electrolyte with 1 M Sodium Bis(fluorosulfonyl)imide Enables High-Performance Sodium Metal Electrodes
2018-03Molecular Engineered Safer Organic Battery through the Incorporation of Flame Retarding Organophosphonate MoietyLee, Hyun Ho; Nam, Dongsik; Kim, Choon-Ki, et alARTICLE534 Molecular Engineered Safer Organic Battery through the Incorporation of Flame Retarding Organophosphonate Moiety
2018-02Foldable Electrode Architectures Based on Silver-Nanowire-Wound or Carbon-Nanotube-Webbed Micrometer-Scale Fibers of Polyethylene Terephthalate Mats for Flexible Lithium-Ion BatteriesHwang, Chihyun; Song, Woo-Jin; Han, Jung-Gu, et alARTICLE810 Foldable Electrode Architectures Based on Silver-Nanowire-Wound or Carbon-Nanotube-Webbed Micrometer-Scale Fibers of Polyethylene Terephthalate Mats for Flexible Lithium-Ion Batteries
2017-12Synergistic Effect of Partially Fluorinated Ether and Fluoroethylene Carbonate for High-Voltage Lithium-Ion Batteries with Rapid Chargeability and DischargeabilityKim, Choon-Ki; Kim, Koeun; Shin, Kyomin, et alARTICLE675 Synergistic Effect of Partially Fluorinated Ether and Fluoroethylene Carbonate for High-Voltage Lithium-Ion Batteries with Rapid Chargeability and Dischargeability
2017-10Single-step wet-chemical fabrication of sheet-type electrodes from solid-electrolyte precursors for all-solid-state lithium-ion batteriesOh, Dae Yang; Kim, Dong Hyeon; Jung, Sung Hoo, et alARTICLE742 Single-step wet-chemical fabrication of sheet-type electrodes from solid-electrolyte precursors for all-solid-state lithium-ion batteries
2017-07Mechanisms for electrochemical performance enhancement by the salt-type electrolyte additive, lithium difluoro(oxalato)borate, in high-voltage lithium-ion batteriesCha, Jiho; Han, Jung-Gu; Hwang, Jaeseong, et alARTICLE1106 Mechanisms for electrochemical performance enhancement by the salt-type electrolyte additive, lithium difluoro(oxalato)borate, in high-voltage lithium-ion batteries
2017-04Mesoporous Germanium Anode Materials for Lithium-Ion Battery with Exceptional Cycling Stability in Wide Temperature RangeChoi, Sinho; Cho, Yoon-Gyo; Kim, Jieun, et alARTICLE632 Mesoporous Germanium Anode Materials for Lithium-Ion Battery with Exceptional Cycling Stability in Wide Temperature Range
2017-02Ultraconcentrated sodium bis(fluorosulfonyl)imide-based electrolytes for high-performance sodium metal batteriesLee, Jaegi; Lee, Yongwon; Lee, Jeongmin, et alARTICLE523 Ultraconcentrated sodium bis(fluorosulfonyl)imide-based electrolytes for high-performance sodium metal batteries
2017-01Understanding the thermal instability of fluoroethylene carbonate in LiPF6-based electrolytes for lithium ion batteriesKim, Koeun; Park, Inbok; Ha, Se-Young, et alARTICLE759 Understanding the thermal instability of fluoroethylene carbonate in LiPF6-based electrolytes for lithium ion batteries
2017-01Interfacial architectures derived by lithium difluoro(bisoxalato) phosphate for Li-rich cathodes with superior cycling stability and rate capabilityHan, Jung-Gu; Park, Inbok; Cha, Jiho, et alARTICLE858 Interfacial architectures derived by lithium difluoro(bisoxalato) phosphate for Li-rich cathodes with superior cycling stability and rate capability
2016-12Zinc-Reduced Mesoporous TiOx Li-Ion Battery Anodes with Exceptional Rate Capability and Cycling StabilitySong, Woo-Jin; Yoo, Seungmin; Lee, Jung-In, et alARTICLE757 Zinc-Reduced Mesoporous TiOx Li-Ion Battery Anodes with Exceptional Rate Capability and Cycling Stability
2016-08Design of an Ultra-Durable Silicon-Based Battery Anode Material with Exceptional High-Temperature Cycling StabilityPark, Hyungmin; Choi, Sinho; Lee, Sung-June, et alARTICLE671 Design of an Ultra-Durable Silicon-Based Battery Anode Material with Exceptional High-Temperature Cycling Stability
2016-07Highly stable linear carbonate-containing electrolytes with fluoroethylene carbonate for high-performance cathodes in sodium-ion batteriesLee, Yongwon; Lee, Jaegi; Kim, Hyungsub, et alARTICLE740 Highly stable linear carbonate-containing electrolytes with fluoroethylene carbonate for high-performance cathodes in sodium-ion batteries
2016-06Fluorinated Hyperbranched Cyclotriphosphazene Simultaneously Enhances the Safety and Electrochemical Performance of High-Voltage Lithium-Ion BatteriesKim, Choon-Ki; Shin, Dong-Seon; Kim, Ko-Eun, et alARTICLE858 Fluorinated Hyperbranched Cyclotriphosphazene Simultaneously Enhances the Safety and Electrochemical Performance of High-Voltage Lithium-Ion Batteries
2016-06Amphiphilic Graft Copolymers as a Versatile Binder for Various Electrodes of High-Performance Lithium-Ion BatteriesLee, Jung-In; Kang, Hyojin; Park, Kwang Hyun, et alARTICLE978 Amphiphilic Graft Copolymers as a Versatile Binder for Various Electrodes of High-Performance Lithium-Ion Batteries
2016-05Multifunctional natural agarose as an alternative material for high-performance rechargeable lithium-ion batteriesHwang, Gaeun; Kim, Ju-Myung; Hong, Dongki, et alARTICLE822 Multifunctional natural agarose as an alternative material for high-performance rechargeable lithium-ion batteries
2016-04Co-intercalation of Mg2+ and Na+ in Na0.69Fe2(CN)6 as a High Voltage Cathode for Magnesium BatteriesKim, Dong-Min; Kim, Youngjin; Arumugam, Durairaj, et alARTICLE618 Co-intercalation of Mg2+ and Na+ in Na0.69Fe2(CN)6 as a High Voltage Cathode for Magnesium Batteries
2016-01Exploiting chemically and electrochemically reactive phosphite derivatives for high-voltage spinel LiNi0.5Mn1.5O4 cathodesSong, Young-Min; Kim, Choon-Ki; Kim, Ko-Eun, et alARTICLE900 Exploiting chemically and electrochemically reactive phosphite derivatives for high-voltage spinel LiNi0.5Mn1.5O4 cathodes
2016-01Thermally Cross-Linkable Diamino-Polyethylene Glycol Additive with Polymeric Binder for Stable Cyclability of Silicon Nanoparticle Based Negative Electrodes in Lithium Ion BatteriesYang, Changjin; Kim, Chungho; Chun, Myung Jin, et alARTICLE732 Thermally Cross-Linkable Diamino-Polyethylene Glycol Additive with Polymeric Binder for Stable Cyclability of Silicon Nanoparticle Based Negative Electrodes in Lithium Ion Batteries

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