Journal Articles 

You can also see publication list at Google Scholar († equal contribution, * corresponding author, bold EMSDL members).

2023.7.~Present (@ UNIST)

[60] Seungmin Han†, Eui-Hyurk Noh†, Sujong Chae†, Kihwan Kown, Juhyun Lee, Ji-Su Woo, Seongsu Park, Taeseup Song*, Won-Jin Kwak*, Junghyun Choi*. "Electrolyte design for PTFE in dry-processed anode for high energy density lithium-ion batteries" J. Energy Storage, 96, 112693 (2024)

[59] Ji-Su Woo, Hong-Geun Lee, Geun-Ha Hwang, Keun-Ho Heo, Yu-Chan Hwang, Won-Jin Kwak*. "Expeditious Full Discharging Method without Voltage Rebound Issue for Safe Battery Recycling" J. Electrochem. Sci. Technol., Online Published (2024)

[58] Hyun-Wook Lee†, Ji-Hee Lee†, Hyokyeong Kang†, Ja-Yeong Kim, Ji-Su Woo, Kansara S. Dineshbhai, Jang-Yeon Hwang*, Won-Jin Kwak*. "Suppression of Potasside Reaction in Localized High Concentration Electrolytes Utilizing Fluorine-Substituted Benzene as Bifunctional Additive for Potassium-Metal Batteries" Energy Storage Mater., 70, 103448 (2024)

[57] Eui-Hyurk Noh†, Youngoh Kim†, Sang-Jin Jeon†, Ye-Jin An, Yun Jung Lee, Yun-Chae Jung*, Joonmyung Choi*, Won-Jin Kwak*. "Pre-impregnated protective layer for high energy density Li metal batteries using aqueous electrolyte" Chem. Eng. J., 490, 151269 (2024)

[56] Hyun-Wook Lee†, Youngoh Kim†, Joo-Eun Kim, Ja-Yeong Kim, Jae-Yeon Jang, Joonmyung Choi*, Won-Jin Kwak*. "Diluents Effect on Inhibiting Dissolution of Organic Electrode for Highly Reversible Li-ion Batteries" Adv. Energy Mater., 14, 2303033 (2023)

[55] Yun-Chae Jung, Chihyun Hwang, Myung-Jun Kwak, Sang-Jin Jeon, Yun Jung Lee, Won-Jin Kwak, Hyun-Seung Kim, KyungSu Kim, Woosuk Cho* Ji-Sang Yu*. "On-site formation of silver decorated carbon as anodeless electrode for high-energy density all-solid-state batteries" J. Mater. Chem. A, 11, 25275-25282 (2023)

[54] Hyun-Wook Lee, Ja-Yeong Kim, Joo-Eun Kim, Yun-Joo Jo, Daniel Dewar, Sixie Yang, Xiangwen Gao*, Peter G. Bruce*, Won-Jin Kwak*. "Effect of Singlet Oxygen on Redox Mediators in Lithium-Oxygen Batteries" J. Mater. Chem. A, 11, 16003-16008 (2023)

2020.3.~2023.6. (Before UNIST)

[53] Min-Gi Jeong, Hyun Ho Lee, Hyeon-Ji Shin, Yeseul Jeong, Jang-Yeon Hwang, Won-Jin Kwak, Gwangseok Oh, Wonkeun Kim, Kyounghan Ryu, Seungho Yu, Hee-Dae Lim, Minah Lee, Hun-Gi Jung*. "Fluoroalkyl Iodide Additive for Li–O2 Battery Electrolytes Enables Stable Cycle Life and High Reversibility" J. Mater. Chem. A, 11, 15246-15255 (2023)

[52] Hyung-Seok Lim, Won-Jin Kwak, Dan Thien Nguyen, Wei Wang, Wu Xu*, Ji-Guang Zhang*. "Three-Dimensionally Semi-Ordered Macroporous Air Electrodes for Metal-Oxygen Batteries" J. Mater. Chem. A, 11, 5746-5753 (2023)

[51] Joo-Eun Kim, Hyun-Wook Lee, Won-Jin Kwak*. "Acceleration of Singlet Oxygen Evolution by Superoxide Dismutase Mimetics in Lithium–Oxygen Batteries." Adv. Funct. Mater., 32, 2209012 (2022)

[50] Ji-Su Woo, Hyun-Wook Lee, Ji-Hee Lee, Seung-Hun Han, Won-Jin Kwak*. "Liquid metal arene complex for next-generation batteries." Mater. Today Energy., 30, 101156 (2022)

[49] Min-Gi Jeong†, Won-Jin Kwak†, Ji Young Kim, Joong Kee Lee, Yang-Kook Sun*, Hun-Gi Jung*. "Uniformly Distributed Reaction by 3D Host-Lithium Composite Anode for High Rate Capability and Reversibility of Li-O2 Batteries." Chem. Eng. J., 427, 130914 (2022)

[48] Hyung-Seok Lim†, Won-Jin Kwak†, Sujong Chae, Sungun Wi, Linze Li, Jinagtao Hu,  Jinhui Tao, Chongmin Wang, Wu Xu*, Ji-Guang Zhang*. "Stable Solid Electrolyte Interphase Layer Formed by Electrochemical Pretreatment of Gel Polymer Coating on Li Metal Anode for Lithium–Oxygen Batteries." ACS Energy Lett., 6, 3321–3331 (2021)

[47] Hyun-Wook Lee†, Hun Kim†, Hun-Gi Jung, Yang-Kook Sun*, Won-Jin Kwak*. "Ambilaterality of RM towards 1O2 in Li-O2 batteries: trap and quencher."  Adv. Funct. Mater., 31, 2102442 (2021)

[46] Sujong Chae, Won-Jin Kwak, Kee Sung Han, Shuang Li, Mark H. Engelhard, Jiangtao Hu, Chongmin Wang, Xiaolin Li*, Ji-Guang Zhang*. "Rational Design of Electrolytes for Long-Term Cycling of Si Anodes in Wide Temperature Range." ACS Energy Lett., 6, 387-394 (2021) 

[45] Jimin Park, Jang-Yeon Hwang*, Won-Jin Kwak*. "Potassium-Oxygen Batteries: Significance, Challenges, and Prospects." J. Phys. Chem. Lett., 11, 7849-7856 (2020)

[44] Hyeon-Ji Shin†, Jang-Yeon Hwang†, Hyun Jung Kwon, Won-Jin Kwak, Hun-Gi Jung*. "Sustainable Encapsulation Strategy of Silicon Nanoparticles in Microcarbon Sphere for High-Performance Lithium-Ion Battery Anode." ACS Sustainable Chem. Eng., 8, 14150-14158 (2020)

[43] Jinhong Lee, Hyung-Seok Lim, Xia Cao, Won-Jin Kwak, Xiaodi Ren, Ji-Guang Zhang, Hongkyung Lee*, Hee-Tak Kim*. "Lithium Dendrite Suppression with Silica Nanoparticle-Dispersed Colloidal Electrolyte." ACS Appl. Mater. Interfaces, 12, 37188-37196 (2020) 

[42] Won-Jin Kwak, Hyung-Seok Lim, Peiyuan Gao, Ruozhu Feng, Sujong Chae, Lirong Zhong, Jeffrey Read, Mark H. Engelhard, Wu Xu*, Ji-Guang Zhang*. "Effects of Fluorinated Diluents in Localized High-Concentration Electrolytes for Lithium-Oxygen Batteries." Adv. Funct. Mater., 30, 2002927 (2020) 

[41] Won-Jin Kwak, Sujong Chae, Ruozhu Feng, Peiyuan Gao, Jeffrey Read, Mark H. Engelhard, Lirong Zhong, Wu Xu*, Ji-Guang Zhang*. "Optimized Electrolyte with High Electrochemical Stability and Oxygen Solubility for Lithium-Oxygen and Lithium-Air Batteries." ACS Energy Lett., 5, 2182-2190 (2020) 

[40] Won-Jin Kwak†, Jiwon Park†, Hun Kim†, Jung Min Joo, Doron Aurbach*, Hye Ryung Byon*, Yang-Kook Sun*. "Oxidation Stability of Organic Redox Mediators as Mobile Catalysts in Lithium−Oxygen Batteries." ACS Energy Lett., 5, 2122-2129 (2020) 

[39] Min-Gi Jeong†, Won-Jin Kwak†, Hyeon-Ji Shin, Yang-Kook Sun*, Hun-Gi Jung*. "Perpendicularly aligned TiC-coated carbon cloth cathode for high-performance Li-O2 batteries." Chem. Eng. J., 399, 125699 (2020) 

[38] Jimin Park†, Jun Lee†, Muhammad Hilmy Alfaruqi, Won-Jin Kwak, Jaekook Kim*, Jang-Yeon Hwang*. "Initial investigation and evaluation of potassium metal as an anode for rechargeable potassium batteries." J. Mater. Chem. A, 8, 16718-16737 (2020) 

[37] Won-Jin Kwak†, Rosy†, Daniel Sharon, Chun Xia, Hun Kim, Lee R. Johnson, Peter G. Bruce*, Linda F. Nazar*, Yang-Kook Sun*, Aryeh A. Frimer, Malachi Noked, Stefan A. Freunberger, Doron Aurbach*. "Lithium-Oxygen Batteries and Related Systems: Potential, Status and Future." Chem. Rev., 120, 6626-6683 (2020) 

~2020.2. (Before Ajou Univ.)

[36] Hun Kim, Won-Jin Kwak, Hun-Gi Jung, Yang-Kook Sun*. "Limited effects of redox mediator in lithium-oxygen batteries: Indecomposable by-products." J. Mater. Chem. A, 8, 5622-5628 (2020) 

[35]  Won-Jin Kwak, Atif Mahammed, Hun Kim, Trung Thien Nguyen, Zeev Gross*, Doron Aurbach*, Yang-Kook Sun*. "Controllable and stable organometallic redox mediators for lithium oxygen batteries." Mater. Horiz., 7, 214-222 (2020) 

[34] Won-Jin Kwak, Stefan A. Freunberger, Hun Kim, Jiwon Park, Trung Thien Nguyen, Hun-Gi Jung, Hye Ryung Byon, Yang-Kook Sun*. "Mutual Conservation of Redox Mediator and Singlet Oxygen Quencher in Lithium-Oxygen Batteries." ACS Catal., 9, 9914-9922 (2019)

[33] Won-Jin Kwak, Hun Kim, Trung Thien Nguyen, Yann K. Petit, Nika Mahne, Christian Leypold, Paul Redfern, Larry A. Curtiss, Hun-Gi Jung, Sergey M. Borisov, Stefan A. Freunberger*, Yang-Kook Sun*. "Deactivation of redox mediators in lithium-oxygen batteries by singlet oxygen." Nat. Commun., 10, 1380 (2019)

[32] Hun Kim, Won-Jin Kwak, Hun-Gi Jung, Yang-Kook Sun*. "Verification for trihalide ions as redox mediators in Li-O2 batteries." Energy Stor. Mater., 19, 148-153 (2019)

[31] Min-Gi Jeong†, Won-Jin Kwak†, Mobinul Islam, Jiwon Park, Hye Ryung Byon, Minchul Jang, Yang-Kook Sun*, Hun-Gi Jung*. "Triple Hierarchical Porous Carbon Spheres as Effective Cathodes for Li–O2 Batteries." J. Electrochem. Soc., 166, A455-A463 (2019)

[30] Won-Jin Kwak, Jiwon Park, Trung Thien Nguyen, Hun Kim, Hye Ryung Byon, Minchul Jang, Yang-Kook Sun*. "Dendrite- and Oxygen-Proof Protective Layer for Lithium Metal in Lithium-Oxygen Batteries." J. Mater. Chem. A, 7, 3857-3862 (2019)

[29] Won-Jin Kwak, Nam-Yung Park, Yang-Kook Sun*. "ICAC 2018: The First International Conference Focused on NCM & NCA Cathode Materials for Lithium Ion Batteries." ACS Energy Lett., 3, 2757-2760 (2018) 

[28] Won-Jin Kwak, Hun Kim, Hun-Gi Jung, Doron Aurbach*, Yang-Kook Sun*. "A Comparative Evaluation of Redox Mediators for Li-O2 Batteries: A Critical Review." J. Electrochem. Soc., 165, A2274-A2293 (2018)

[27] Daniel Hirshberg, Daniel Sharon, Michal Afri, Ronit Lavi, Aryeh A. Frimer, Noa Metoki, Noam Eliaz, Won-Jin Kwak, Yang-Kook Sun, Doron Aurbach*. "Shedding Light on the Oxygen Reduction Reaction Mechanism in Ether-Based Electrolyte Solutions: A Study Using Operando UV−Vis Spectroscopy." ACS Appl. Mater. Interfaces, 10, 10860-10869 (2018)

[26] Won-Jin Kwak†, Seong-Jin Park†, Hun-Gi Jung, Yang-Kook Sun*. "Optimized Concentration of Redox Mediator and Surface Protection of Li Metal for Maintenance of High Energy Efficiency in Li-O2 Batteries." Adv. Energy Mater., 8, 1702258 (2018)

[25] Won-Jin Kwak†, Langli Luo†, Hun-Gi Jung, Chongmin Wang*, Yang-Kook Sun*. "Revealing the Reaction Mechanism of Na-O2 Batteries using Environmental Transmission Electron Microscopy." ACS Energy Lett., 3, 393-399 (2018)

[24] Young Joo Lee†, Won-Jin Kwak†, Yang-Kook Sun*, Yun Jung Lee*. "Clarification of Solvent Effects on Discharge Products in Li-O2 Batteries through a Titration Method." ACS Appl. Mater. Interfaces, 10, 526-533 (2018)

[23] Won-Jin Kwak, Jin-Bum Park, Hun-Gi Jung, Yang-Kook Sun*. "Controversial Topics on Lithium Superoxide in Li-O2 Batteries." ACS Energy Lett., 2, 2756-2760 (2017)

[22] Won-Jin Kwak†, Sung Hoon Ha†, Do Hyung Kim, Kyu Hang Shin, Yang-Kook Sun*, Yun Jung Lee*. "Synergistic Integration of Soluble Catalysts with Carbon-Free Electrodes for Li-O2 Batteries." ACS Catal., 7, 8192-8199 (2017)

[21] Jin-Hyuk Kang†, Won-Jin Kwak†, Doron Aurbach, Yang-Kook Sun*. "Sodium oxygen batteries: one step further with catalysis by ruthenium nanoparticles." J. Mater. Chem. A, 5, 20678-20686 (2017)

[20] Daniel Sharon, Pessia Sharon, Daniel Hirshberg, Michael Salama, Michal Afri, Linda J. W. Shimon, Won-Jin Kwak, Yang-Kook Sun, Aryeh A. Frimer, Doron Aurbach*. "2,4-Dimethoxy-2,4-dimethylpentan-3-one: An Aprotic Solvent Designed for Stability in Li–O2 Cells." J. Am. Chem. Soc., 139, 11690-11693 (2017)

[19] Won-Jin Kwak, Hun-Gi Jung, Doron Aurbach*, Yang-Kook Sun*. "Optimized Bicompartment Two Solution Cells for Effective and Stable Operation of Li-O2 Batteries." Adv. Energy Mater., 7, 1701232 (2017)

[18] Seon Hwa Lee, Won-Jin Kwak, Yang-Kook Sun*. "A new perspective of the ruthenium ion: a bifunctional soluble catalyst for high efficiency Li-O2 batteries." J. Mater. Chem. A, 5, 15512-15516 (2017)

[17] Hyeon-Ji Shin, Won-Jin Kwak, Doron Aurbach, Yang-Kook Sun*. "Large-Scale Li-O2 Pouch Type Cells for Practical Evaluation and Applications." Adv. Funct. Mater., 27, 1605500 (2017)

[16] Daniel Hirshberg, Daniel Sharon, Ezequiel De La Llave, Michal Afri, Aryeh A. Frimer, Won-Jin Kwak, Yang-Kook Sun, Doron Aurbach*. "Feasibility of Full (Li-Ion)-O2 Cells Comprised of Hard Carbon Anodes." ACS Appl. Mater. Interfaces, 9, 4352-4361 (2017)

[15] Won-Jin Kwak, Hyeon-Ji Shin, Jakub Reiter, Nikolaos Tsiouvaras, Jusef Hassoun, Stefano Passerini, Bruno Scrosati, Yang-Kook Sun*. "Understanding problems of lithiated anode in lithium oxygen full cells." J. Mater. Chem. A, 4, 10467-10471 (2016)

[14] Won-Jin Kwak, Daniel Hirshberg, Daniel Sharon, Michal Afri, Aryeh A. Frimer, Hun-Gi Jung, Doron Aurbach, Yang-Kook Sun. "Li–O2 cells with LiBr as an electrolyte and a redox mediator." Energy Environ. Sci., 9, 2334-2345 (2016)

[13] Daniel Sharon, Daniel Hirsberg, Michael Salama, Michal Afri, Aryeh A. Frimer, Malachi Noked, Won-Jin Kwak, Yang-Kook Sun, Doron Aurbach*. "Mechanistic Role of Li+ Dissociation Level in Aprotic Li-O2 Battery." ACS Appl. Mater. Interfaces, 8, 5300-5307 (2016)

[12] Won-Jin Kwak†, Tae-Geun Kang†, Yang-Kook Sun*, Yun Jung Lee*. "Iron–cobalt bimetal decorated carbon nanotubes as cost-effective cathode catalysts for Li-O2 batteries." J. Mater. Chem. A, 4, 7020-7026 (2016)

[11] Won-Jin Kwak†, Hun-Gi Jung†, Seon-Hwa Lee, Jin-Bum Park, Doron Aurbach*, Yang-Kook Sun*. "Silver nanowires as catalytic cathodes for stabilizing lithium-oxygen batteries." J. Power Sources, 311, 49-56 (2016)

[10] Hai Ming, Pushpendra Kumar, Wenjing Yang, Yu Fu, Jun Ming*, Won-Jin Kwak, Lain-Jong Li, Yang-kook Sun*, Junwei Zheng*. "Green Strategy to Single Crystalline Anatase TiO2 Nanosheets with Dominant (001) Facets and Its Lithiation Study toward Sustainable Cobalt-Free Lithium Ion Full Battery." ACS Sustainable Chem. Eng., 3, 3086-3095 (2015)

[9] Won-Jin Kwak, Daniel Hirshberg, Daniel Sharon, Hyeon-Ji Shin, Michal Afri, Jin-Bum Park, Arnd Garsuch, Frederick Francois Chesneau, Aryeh A. Frimer, Doron Aurbach*, Yang-Kook Sun*. "Understanding the behavior of Li–oxygen cells containing LiI." J. Mater. Chem. A, 3, 8855-8864 (2015)

[8] Won-Jin Kwak, Kah Chun Lau, Chang-Dae Shin, Khalil Amine, Larry A Curtiss*, Yang-Kook Sun*. "A Mo2C/Carbon Nanotube Composite Cathode for Lithium-Oxygen Batteries with High Energy Efficiency and Long Cycle Life." ACS Nano, 9, 4129-4137 (2015)

[7] Hai Ming, Jun Ming, Won-Jin Kwak, Wenjing Yang, Qun Zhou, Junwei Zheng, Yang-Kook Sun*. "Fluorine-doped porous carbon-decorated Fe3O4-FeF2 composite versus LiNi0.5Mn1.5O4 towards a full battery with robust capability." Electrochim. Acta, 169, 291-299 (2015)

[6] Jun Ming*, Hai Ming, Wenjing Yang, Won-Jin Kwak, Jin-Bum Park, Junwei Zheng, Yang-Kook Sun*. "A sustainable iron-based sodium ion battery of porous carbon–Fe3O4/Na2FeP2O7 with high performance." RSC Adv., 5, 8793-8800 (2015)

[5] Won-Jin Kwak, Zonghai Chen, Chong Seung Yoon, Joong-Kee Lee, Khalil Amine, Yang-Kook Sun*. "Nanoconfinement of low-conductivity products in rechargeable sodium–air batteries." Nano Energy, 12, 123-130 (2015)

[4] Jun Ming, Won-Jin Kwak, Sung-Jun Youn, Hai Ming, Jusef Hassoun*, Yang-Kook Sun*. "Lithiation of an Iron Oxide-Based Anode for Stable, High-Capacity Lithium-Ion Batteries of Porous Carbon–Fe3O4/Li[Ni0.59Co0.16Mn0.25]O2." Energy Technol., 2, 778-785 (2014)

[3] Giuseppe Antonio Elia, Jusef Hassoun*, Won-Jin Kwak, Yang-Kook Sun*, Bruno Scrosati*, Franziska Mueller, Dominic Bresser, Stefano, Passerini*, Philipp Oberhumer, Nikolaos Tsiouvaras, Jakub Reiter. "An Advanced Lithium−Air Battery Exploiting an Ionic Liquid-Based Electrolyte." Nano Lett., 14, 6572−6577 (2014)

[2] Jun Ming, Hai Ming, Won-Jin Kwak, Chang-dae Shin, Junwei Zheng, Yang-Kook Sun*. "The binder effect on an oxide-based anode in lithium and sodium-ion battery applications: the fastest way to ultrahigh performance." Chem. Commun., 50, 13307-13310 (2014)

[1] Jun Ming†, Won-Jin Kwak†, Jin-Bum Park, Chang-Dae Shin, Jun Lu, Larry Curtiss, Khalil Amine, Yang-Kook Sun*. "A Physical Pulverization Strategy for Preparing a Highly Active Composite of CoOx and Crushed Graphite for Lithium–Oxygen Batteries." ChemPhysChem, 15, 2070-2076 (2014)