Electrochemical Energy Materials Laboratory
Prof. Won-Hee Ryu
Department of Chemical & Biological Engineering
Sookmyung Women's University
Cover Gallery
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Journal Articles (Accepted or Published)
84. Symmetric Catalyst Design Employing Ir Nanoparticles on Black WO 3-x Nanofiber Support for Boosting Water Electrolysis
Yeo-Jin Rho, Changsoo Lee, Min Joong Kim, and Won-Hee Ryu*, Small, 2024, Accepted
83. Polarizability Engineering of Surface Flattening Molecular Dipoles for Fast and Long Lithium Metal Battery Operation
Seo-Young Jun†, Kihyun Shin†, Yeji Lim, Suji Kim, Huiju Kim, Chae Yeong Son, and Won-Hee Ryu*, Small Structures, 2024, 2300578
82. Unraveling Reaction Discrepancy and Electrolyte Stabilizing Effects of Auto-oxygenated Porphyrin Catalysts in Lithium–Oxygen
and –Air Cells
Boran Kim, Hyunyoung Park, Hyun-Soo Kim, Jun Seo Lee, Jongsoon Kim*, and Won-Hee Ryu*, Carbon Energy, 2024, Accepted
81. Chiolite Na5Ti3F14: A Novel Sodium Titanium Fluoride Anode for Low-cost and High-performance Na-ion batteries
Jungmin Kang, Jinho Ahn, Yongseok Lee, Hyunyoung Park, Wonseok Ko, Bonyoung Ku, Myungeun Choi, Hun-Gi Jung, Won-Hee Ryu*, and Jongsoon Kim*, Energy Storage Materials, 2023, 63, 103048
80. CO2-mediated porphyrin catalysis in reversible Li-CO2 cells
Boran Kim†, Kihyun Shin†, Graeme Henkelman, and Won-Hee Ryu*, Chemical Engineering Journal, 2023, 477, 147141
†Equally contributed to this work
79. Li-Dendrite Cage Electrode with 3-D Interconnected Pores for Anode-Free Lithium-Metal Batteries
Suji Kim, MinJae Lee, SeKwon Oh*, and Won-Hee Ryu*, Chemical Engineering Journal, 2023, 474, 145447
78. In Situ Gas Analysis by Differential Electrochemical Mass Spectrometry for Advanced Rechargeable Batteries: A Review
Suji Kim†, Hyun-Soo Kim†, Boran Kim†, You-Jin Kim†, Ji-Won Jung,* and Won-Hee Ryu*, Advanced Energy Materials, 2023, 13, 2301983
†Equally contributed to this work (Front Cover-Featured)
77. Molecular Dipoles as a Surface Flattening and Interface Stabilizing Agent for Lithium-metal Batteries
Seo-Young Jun, Kihyun Shin, Jun-Seo Lee, Suji Kim, Jinyoung Chun, and Won-Hee Ryu*, Advanced Science, 2023, 10, 2301426
(Front Cover-Featured)
76. Direct Solution-calcination Synthesis of Residual Li-free Layered Cathode Materials for Li-ion Batteries
Yoo Jung Choi, You Jin Kim, Suji Kim, Ga Yoon Kim, and Won-Hee Ryu*, Applied Surface Science, 2023, 629, 157444
75. Dual-functional Vinylpyrrolidone Electrolyte Additive as Anode Surface Leveler and Cathode Catalyst for Lithium Metal-Oxygen Batteries
Jun-Seo Lee, Kihyun Shin, Seo-Young Jun, Suji Kim, and Won-Hee Ryu*, Chemical Engineering Journal, 2023, 458, 141383
74. Blooming Growth of Durable Carbon Nanotubes Bundles from Graphite Interlayer Seeds for Free-Standing Lithium-Oxygen Battery Electrodes
Fuxi Peng†, Yeji Lim†, Boran Kim, Hyun-Soo Kim, Zhenyu Wang, Zuowan Zhou, Jinyang Li*, and Won-Hee Ryu*, Sustainable Materials and Technologies, 2023, 35, e00531
†Equally contributed to this work
73. Cathodes Coating Layer with Li-ion Diffusion Selectivity employing Interactive Network of Metal-Organic Polyhedras for Li-ion Batteries
You Jin Kim, So Yeon Ko, Suji Kim, Kyungmin Choi*, and Won-Hee Ryu*, Small, 2023, 19(5), 2206561 (Inside Back Cover-Featured)
72. Research Trends on Minimizing the Size of Noble Metal Catalysts for Li-CO2 Batteries: From Nanoparticle to Single Atom
Yeo-Jin Rho, Yoon Jeong Yoo, and Won-Hee Ryu*
Korean Journal of Chemical Engineering, 2023, 40, 461–472 (Invited Review Paper)
71. Li-Rich Mn–Mg Layered Oxide as a Novel Ni-/Co-Free Cathode
Yongseok Lee, Hyunyoung Park, Min-kyung Cho, Jinho Ahn, Wonseok Ko, Jungmin Kang, Yoo Jung Choi, Hyungsub Kim, Inchul Park,
Won-Hee Ryu, Jihyun Hong*, and Jongsoon Kim*, Advanced Functional Materials, 2022, 2204354
70. Atomically miniaturized bi-phase IrOx/Ir catalysts loaded on N-doped carbon nanotubes for high-performance Li–CO2 batteries
Yeo-Jin Rho†, Boran Kim†, Kihyun Shin†, Graeme Henkelman, and Won-Hee Ryu*, Journal of Materials Chemistry A, 2022, 10, 19710
(Invited paper featured in themed collections: Journal of Materials Chemistry A Emerging Investigators and HOT Papers)
†Equally contributed to this work
69. Rhenium Oxide/Sulfide Binary Phase Flakes Decorated on Nanofiber Support for Enhanced Activation of Electrochemical Conversion Reactions
Ga-Yoon Kim†, Jeongbin Lee†, Yeo-Jin Rho, Woo-Hee Kim, MinJoong Kim, Ji-Hoon Ahn*, and Won-Hee Ryu*,
Chemical Engineering Journal, 2022, 446, 136951
†Equally contributed to this work
68. Highly Conductive ZrO2–x Spheres as Bifunctional Framework Stabilizers and Gas Evolution Relievers in Nickel-Rich Layered Cathodes for Lithium-Ion Batteries
You Jin Kim, Ga Yoon Kim, Hyun-Soo Kim, Suji Kim, Bo Ran Kim, Yoo Jung Choi, Jaekook Kim, Jinsoo Kim, and Won-Hee Ryu*,
Composites Part B: Engineering, 2022, 238, 109911
67. Self-Oxygenated Blood Protein-Embedded Nanotube Catalysts for Longer Cyclable Lithium Oxygen-Breathing Batteries
Hyun-Soo Kim, Boran Kim, Hee-Dae Lim, and Won-Hee Ryu*, ACS Sustainable Chemistry & Engineering, 2022, 10, 13, 4198–4205
66. Auto-Oxygenated Porphyrin-derived Redox Mediators for High-Performance Lithium Air-Breathing Batteries
Hyun-Soo Kim†, Boran Kim†, Hyunyoung Park, Jongsoon Kim*, and Won-Hee Ryu*, Advanced Energy Materials, 2022, 12, 2103527
†Equally contributed to this work (Front Cover-Featured)
65. Selective Anionic Redox and Suppressed Structural Disordering Enabling High-Energy and Long-Life Li-Rich Layered-Oxide Cathode
Jinho Ahn, Jungmin Kang, Min-kyung Cho, Hyunyoung Park, Wonseok Ko, Yongseok Lee, Hyun-Soo Kim, Young Hwa Jung, Tae-Yeol Jeon, Hyungsub Kim, Won-Hee Ryu, Jihyun Hong*, Jongsoon Kim*, Advanced Energy Materials, 2021, 11, 2102311
64. Black Tungsten Oxide Nanofiber as a Robust Support for Metal Catalysts: High Catalyst Loading
for Electrochemical Oxygen Reduction
Ga-Yoon Kim†, Ki Ro Yoon†, Kihyun Shin, Ji-Won Jung, Graeme Henkelman and Won-Hee Ryu*, Small, 2021, 17, 2103755
†Equally contributed to this work (Front Cover-Featured)
63. Controllable Insertion Mechanism of Expanded Graphite Anodes Employing Conversion Reaction Pillars
for Sodium-ion Batteries
Suji Kim, You Jin Kim and Won-Hee Ryu*, ACS Applied Materials & Interfaces, 2021, 13, 20, 24070–24080
62. Capillary-Driven Formation of Iron Nanoparticles Embedded in Nanotubes for Catalyzed Lithium-Carbon Dioxide Reaction
Hyun-Soo Kim, Jae-yun Lee, Jung-Keun Yoo, and Won-Hee Ryu*, ACS Materials Letters, 2021, 3, 6, 815-825 (Front Cover-Featured)
61. Rational Design and In-situ Formation of Nickel–Cobalt Nitride Multi-core/Hollow N-doped Carbon Shell Anode
for Li-ion Batteries
Bong Kyun Kang†, Yoo Jung Choi†, Hyung Wook Choi,† Seok Bin Kwon, Suji Kim, You Jin Kim, Ji Sun Park, Woo Seok Yang,
Dae Ho Yoon*, and Won-Hee Ryu*, Chemical Engineering Journal, 2021, 420, 129630.
†Equally contributed to this work
60. Zirconium Disulfides as an Electrode Material Alternative for Li-ion Batteries
Suji Kim, You Jin Kim and Won-Hee Ryu*, Applied Surface Science, 2021, 547, 149029.
59. Group VI Metallic Pillars for Assembly of Expanded Graphite Anodes for High-Capacity Na-Ion Batteries
You Jin Kim, SeongJi Pyo, Suji Kim, and Won-Hee Ryu*, Carbon, 2021, 175, 585-593.
58. Lithium-Air Batteries: Air-Breathing Challenges and Perspective
Jin-Hyuk Kang, Jiyoung Lee, Ji-Won Jung, Jiwon Park, Taegyu Jang, Hyun-Soo Kim, Jong Seok Nam, Haeseong Lim, Ki Ro Yoon, Won-Hee Ryu, Il-Doo Kim* and Hye Ryung Byon*, ACS Nano, 2020, 14, 11, 14549-14578.
57. Low-temperature synthesis of tetragonal phase of hafnium oxide using polymer-blended nanofiber precursor
Ji-Won Jung†, Ga-Yoon Kim†, Na-Won Lee, and Won-Hee Ryu*, Applied Surface Science, 2020, 533, 147496.
†Equally contributed to this work
56. Super-expansion of Assembled Reduced Graphene Oxide Interlayers by Segregation of Al Nanoparticle Pillars for High-capacity Na-ion Battery Anodes
SeongJi Pyo†, Wonsik Eom†, You Jin Kim, Sang Hoon Lee, Tae Hee Han* and Won-Hee Ryu*, ACS Applied Materials and Interfaces, 2020, 12, 21, 23781–23788. †Equally contributed to this work
55. Blood Protein as a Sustainable Bi-functional Catalyst for Reversible Li-CO2 Batteries
Jae-Yun Lee, Hyun-Soo Kim, Jun-Seo Lee, Chan-Jin Park, and Won-Hee Ryu*, ACS Sustainable Chemistry & Engineering, 2019, 7, 19, 16151-16159.
54. Highly Conductive Off-Stoichiometric Zirconium Oxide Nanofibers with Controllable Crystalline Structures and Bandgaps and Improved Electrochemical Activities
Na-Won Lee, Ki Ro Yoon, Jae Yun Lee, Yoonsu Park, Seongji Pyo, Ga-Yoon Kim, Don-Hyung Ha, and Won-Hee Ryu*, ACS Applied Energy Materials, 2019, 2, 3513-3522. (Front Cover-Featured)
53. Research Trend on Conversion Reaction Anodes for Sodium-ion Batteries
Suji Kim, You Jin Kim, and Won-Hee Ryu*, Journal of the Korean Electrochemical Society, Vol. 22, No.1, 2019, 22-35
52. Iron/Carbon Composite Microfiber Catalyst Derived from Hemoglobin Blood Protein for Lithium-Oxygen Batteries
Jun-Seo Lee, Hyun-Soo Kim, and Won-Hee Ryu*, Applied Surface Science, 2019, 466, 562-567.
51. Polyoxometalate as a Nature-Inspired Bifunctional Catalyst for Lithium-Oxygen Batteries
Jun-Seo Lee, Cheolmin Lee, Jae Yun Lee, Jungki Ryu*, and Won-Hee Ryu*, ACS Catalysis, 2018, 8, 7213-7221.
50. Alloy Design Employing High Cr Concentrations for Mo-free Stainless Steels with Enhanced Corrosion Resistance
KiMin Jung, SooHoon Ahn, YoungJun Kim, SeKwon Oh, Won-Hee Ryu*, and HyukSang Kwon*, Corrosion Science, 2018, 140, 61-72.
49. Facile and Fast Na-ion Intercalation employing Amorphous Black TiO2-x/C Composite Nanofiber Anodes
Nawon Lee, Ji-Won Jung, Jun Seo Lee, Hye-Yeon Jang, Il-Doo Kim, and Won-Hee Ryu*, Electrochimica Acta, 2018, 263, 417–425.
48. 차세대 리튬공기전지용 전기방사 기반 나노소재 기술 동향
Nawon Lee, Jun Seo Lee, Won-Hee Ryu*, 전기전자재료학회지, 2016, 29 (12), 41-49. (Special Theme, Invited Review Paper)
47. Dimensional Effects of MoS2 Nanoplates Embedded in Carbon Nanofibers for Bifunctional Li and Na Insertion and Conversion Reactions
Ji-Won Jung, Won-Hee Ryu, Sunmoon Yu, Chanhoon Kim, Su-Ho Cho and Il-Doo Kim*, ACS Applied Materials & Interfaces, 2016, 8, 26758–26768.
46. Heme Biomolecule as Redox Mediator and Oxygen Shuttle for Efficient Charging of Lithium-Oxygen Batteries
Won-Hee Ryu, Forrest S. Gittleson, Julianne Thomsen, Jinyang Li, Mark Schwab, Gary Brudvig, and André D. Taylor*, Nature Communications, 2016, 7, 12925. (Highlighted in Yale News)
45. Solution-processed Titanium Carbide MXene films examined as highly transparent conductors
Marina Mariano, Olha Mashtalir, Francisco Q. Antonio, Bingchen Deng, Won-Hee Ryu, Fengnian Xia, Yuri Gogotsi, and André D. Taylor*, Nanoscale, 2016, 8, 16371-16378.
44. Tailored Combination of Low Dimensional Catalysts for Efficient Oxygen Reduction and Evolution in Li–O2 Batteries
Ki-Ro Yoon, Dae-Sik Kim, Won-Hee Ryu, Sung Ho Song, Doo-Young Youn, Ji-Won Jung, Seokwoo Jeon, Yong Joon Park, Il-Doo Kim, ChemSusChem, 2016, 9, 2080-2088. (Front Cover-Featured)
43. A New Design Strategy for Observing Lithium Oxide Growth-Evolution Interactions Using Geometric Catalyst Positioning
Won-Hee Ryu, Forrest S. Gittleson, Jinyang Li, Xiao Tong, and André D. Taylor*, Nano Letters, 2016, 16, 4799-4806.
(Highlighted in ACS C&EN, Yale Engineering News, and Sookmyung News)
42. Multi-Stacked Electrodes Employing Aluminum Coated Tissue Papers and Non-Oxidized Graphene Nanoflakes for High Performance Lithium-Sulfur Batteries
Jin-Hoon Choi, Ji-Won Jung, Su-Ho Jung, Chan Yong Choi, Won-Hee Ryu, Sung-Moo Jo, Dae-Soon Lim, Seokwoo Jeon, Hye-Moon Lee*, and Il-Doo Kim*, RSC Advances, 2016, 6, 60537-60545.
41. Development of Omniphobic Desalination Membranes Using a Charged Electrospun Nanofiber Scaffold
Jongho Lee, Chanhee Boo, Won-Hee Ryu, Andre D. Taylor, and Menachem Elimelech*, ACS Applied Materials & Interfaces, 2016, 8, 11154.
40. Pt and Pd Catalyzed Oxidation of Li2O2 and DMSO during Li-O2 Battery Charging
Forrest S Gittleson, Won-Hee Ryu, Mark Schwab, Xiao Tong and André D. Taylor*, Chemical Communications, 2016, 52, 6605.
39. Toward Microcapsule-Embedded Self-Healing Membranes
Sang-Ryoung Kim, Bezawit A. Getachew, Seon-Joo Park, Oh-Seok Kwon, Won-Hee Ryu, André D. Taylor, Joonwon Bae, and Jae-Hong Kim*, Environmental Science & Technology Letters, 2016, 3, 216. (Front Cover-Featured, Selected as ACS Editors' Choice and Most Read Articles)
38. Heterogeneous WSx/WO3 Thorn-Bush Nanofiber Electrodes for Sodium-Ion Batteries
Won-Hee Ryu, Hope Wilson, Sungwoo Sohn, Jinyang Li, Xiao Tong, Evyatar Shaulsky, Jan Schroers, Menachem Elimelech, and André D. Taylor*, ACS Nano, 2016,10, 3257. (Highlighted in Yale Engineering News and Sookmyung Hot News)
37. Guided Evolution of Bulk Metallic Glass Nanostructures: A Platform for Designing Three-Dimensional Electrocatalytic Surfaces
Gustavo Doubek†, Ryan C. Sekol†, Jinyang Li†, Won-Hee Ryu, Forrest S. Gittleson, Siamak Nejati, Eric Moy, Candy Reid, Marcelo Carmo, Marcelo Linardi, Punnathat Bordeenithikasem, Emily Kinser, Yanhui Liu, Tong Xiao, Chinedum Osuji, Jan Schroers, Sundeep Mukherjee, and André D. Taylor*, Advanced Materials, 2016, 28, 1940. †Equally contributed to this work. (Front Cover-Featured)
36. Ultrathin Nanotube/Nanowire Electrodes by Spin-Spray Layer-by-Layer Assembly: A Concept for Transparent Energy Storage
Forrest S. Gittleson, Daniel Hwang, Won-Hee Ryu, Sara M. Hashmi, Jonathan Hwang, Tenghooi Goh, and André D. Taylor*, ACS Nano, 2015, 9, 10005. (Highlighted in Yale Engineering News)
35. Black Titanium Oxide Nanoarray Electrodes for High Rate Li-ion Microbatteries
Ji-Yong Eom, Sung-Jin Lim, Sang-Min Lee, Won-Hee Ryu*, and Hyuk-Sang Kwon*, Journal of Materials Chemistry A, 2015, 3, 11183.
(Selected as 2015 Journal of Materials Chemistry A Hot Articles)
34. Glassy Metal Alloy Nanofiber Anodes Employing Graphene Wrapping Layer: Toward Ultra-Long-Cycle-Life Lithium-Ion Batteries
Ji-Won Jung, Won-Hee Ryu, Jungwoo Shin, Kyu-Sung Park, and Il-Doo Kim*, ACS Nano, 2015, 9, 6717.
33. A Mesoporous Catalytic Membrane Architecture for Lithium-Oxygen Battery Systems
Won-Hee Ryu, Forrest S. Gittleson, Mark Schwab, Tenghooi Goh, and André D. Taylor*, Nano Letters, 2015, 15, 434.
(Highlighted in C&EN, Yale Scientific Magazine, The Nature Conservancy Blog, and MIT Technology Review)
32. Enhanced durability of gold coated current collectors for high power electrochemical devices
Won-Hee Ryu*, Keun-Woo Cho, Kyungsik Hong, and Hyuk-Sang Kwon*, RSC Advances, 2015, 5, 43956.
31. Raman Spectroscopy in Lithium-Oxygen Battery Systems
Forrest S. Gittleson, Koffi P. C. Yao, David G. Kwabi, Sayed Youssef Sayed, Won-Hee Ryu, Yang Shao-Horn, and André D. Taylor, ChemElectroChem, 2015, 2 1446–1457.
(Invited Review Paper, Front Cover-Featured, Selected as “Very Important Paper”)
30. Simple synthesis of highly catalytic carbon-free MnCo2O4@Ni as an oxygen electrode for rechargeable Li-O2 batteries with long-
term stability
Ramchandra S. Kalubarme, Harsharaj S. Jadhav, Duc Tung Ngo, Ga-Eun Park, John G. Fisher, Yun-Il Choi, Won-Hee Ryu, and Chan-Jin Park, Scientific Reports, 2015, 5, 13266.
29. Structural Enhancement of Na3V2(PO4)3/C Composite Cathode Materials by Pillar Ion Doping for High Power and Long Cycle Life
Sodium-ion Batteries
Sung-Jin Lim, Dong-Wook Han, Do-Hwan Nam, Kyung-Sik Hong, Ji-Yong Eom, Won-Hee Ryu*, and Hyuk-Sang Kwon*, Journal of Materials Chemistry A, 2014, 2, 19623.
(Front Cover-Featured, Selected as 2014 Journal of Materials Chemistry A Hot Articles)
28. LaNixCo1-xO3-d Perovskites as Catalyst Material for Non-Aqueous Lithium-Oxygen Batteries
Ramchandra S Kalubarme, Ga-Eun Park, Kyu-Nam Jung , Kyoung-Hee Shin, Won-Hee Ryu, and Chan-Jin Park*, Journal of The Electrochemical Society, 2014, 161, A880.
27. Multi-layer electrode with nano-Li4Ti5O12 aggregates sandwiched between carbon nanotube and graphene networks for high
power Li-ion batteries
Jin-Hoon Choi, Won-Hee Ryu, Kyu-Sung Park*, Jeong-Dai Jo, Sung-Moo Jo, Dae-Soon Lim, and Il-Doo Kim*, Scientific Reports, 2014, 4, 7334.
26. Operando Observation of the Gold-Electrolyte Interface in Li-O2 Batteries
Forrest S. Gittleson, Won-Hee Ryu, and André D. Taylor*, ACS Applied Materials and Interfaces, 2014, 6, 19017.
25. Electrospun Functional Nanofibers and their Applications in Chemical Sensors and Li-ion Batteries
Il-Doo Kim, Seon-Jin Choi, and Won-Hee Ryu, Handbook of Nanomaterials Properties,Springer Berlin Heidelberg,2014,pp793-838
24. Vine-like MoS2 anode materials self-assembled from 1-D nanofibers for high capacity sodium rechargeable batteries
Won-Hee Ryu, Ji-Won Jung, Kyu-Sung Park, Sang-Jun Kim, and Il-Doo Kim*, Nanoscale, 2014, 6, 10975.
(Front Cover-Featured)
23. 3-D Dumbbell-like LiNi1/3Mn1/3Co1/3O2 Cathode Materials Assembled with Nano-Building Blocks for Lithium-Ion Batteries
Won-Hee Ryu, Sung-Jin Lim, Won-Keun Kim, and Hyuk-Sang Kwon*, Journal of Power Sources, 2014, 257, 186.
22. Fabrication of graphene embedded LiFePO4 using catalyst assisted self-assembly method as cathode materials for high power
lithium-ion batteries
Won-Keun Kim, Won-Hee Ryu, Dong-Wook Han, Sung-Jin Lim, Ji-Yong Eom*, and Hyuk-Sang Kwon*, ACS Applied Materials and Interfaces, 2014, 6, 4731.
21. Bi-functional Co-sensitization of Graphene Oxide Sheets and Ir Nanoparticles on P-type Co3O4 Nanofibers for Selective Acetone
Detection
Seon-Jin Choi, Won-Hee Ryu, Sang-Joon Kim, Hee-Jin Cho, and Il-Doo Kim*, Journal of Materials Chemistry B, 2014, 2, 7160.
20. Graphene Wrapping as a Protective Clamping Layer Anchored to Carbon Nanofibers Encapsulating Si Nanoparticles for a Li-Ion
Battery Anode
Jungwoo Shin, Kyusung Park, Won-Hee Ryu, Ji-Won Jung, and Il-Doo Kim*, Nanoscale, 2014, 6, 1271
19. Effects of Cl doping on the structural and electrochemical properties of high voltage LiMn1.5Ni0.5O4 cathode materials for Li-ion
batteries
Won-Keun Kim, Dong-Wook Han, Won-Hee Ryu, Sung-Jin Lim, Ji-Yong Eom*, and Hyuk-Sang Kwon*, Journal of Alloys and Compounds, 2014, 592, 48.
18. Crystalline IrO2-Decorated TiO2 Nanofiber Scaffolds for Robust and Sustainable Solar Water Oxidation
Won-Hee Ryu†, Yang Woo Lee†, Yoon Sung Nam, Doo-Young Yoon, Chan Beum Park*, and Il-Doo Kim*, Journal of Materials Chemistry A, 2014, 2, 5610. †Equally contributed to this work.
17. Bifunctional Composite Catalysts Using Co3O4 Nanofibers Immobilized on Nonoxidized Graphene Nanoflakes for High- Capacityand Long-Cycle Li–O2 Batteries
Won-Hee Ryu, Taek-Han Yoon, Sung-Ho Song, Seok-Woo Jeon*, Yong-Joon Park*, and Il-Doo Kim*, Nano Letters, 2013, 13, 4190. (Selected as 2013 KAIST Excellent Research)
16. Morphological Evolution of Carbon Nanofibers Encapsulating SnCo Alloys and Its Effect on Growth of the Solid Electrolyte Interphase Layer
Jungwoo Shin, Won-Hee Ryu, Kyu-Sung Park, and Il-Doo Kim*, ACS Nano, 2013, 7, 7330
15. Bi-functional RuO2–Co3O4 core–shell nanofibers as a multi-component one-dimensional water oxidation catalyst
Jong Wan Ko†, Won-Hee Ryu†, Il-Doo Kim*, and Chan Beum Park*, Chemical Communications, 2013, 49, 9725. †Equally contributed to this work. (Front Cover-Featured)
14. Tailoring Crystal Structure and Morphology of LiFePO4/C Cathode Materials Synthesized by Heterogeneous Growth on
Nanostructured LiFePO4 Seed Crystals
Dong-Wook Han, Won-Hee Ryu, Won-Keun Kim, Sung-Jin Lim, Yong-Il Kim, Ji-Yong Eom*, and Hyuk-Sang Kwon*, ACS Applied Materials and Interfaces, 2013, 5, 1342.
13. Coblat (II) monoxide nanoparticles embedded in porous carbon nanofibers as a highly reversible conversion reaction anode for
Li-ion batteries
Won-Hee Ryu, Jungwoo Shin, Ji-Won Jung, and Il-Doo Kim*, Journal of Materials Chemistry A, 2013, 1, 3239. (Back Cover-Featured)
12. Electrochemical Properties of Nanosized Li-rich Layered Oxide as Positive Electrode Materials for Li-Ion Batteries
Won-Hee Ryu, Dong-Han Kim, Sun-Ho Kang*, and Hyuk-Sang Kwon*, RSC Advances, 2013, 3, 8527.
11. Effects of Li and Cl Codoping on the Electrochemical Performance and Structural Stability of LiMn2O4 Cathode Materials for
Hybrid Electric Vehicle Applications
Dong-Wook Han, Won-Hee Ryu, Won-Keun Kim, Ryoung-Hee Kim, Ji-Yong Eom*, and Hyuk-Sang Kwon*, Journal of Physical Chemistry C, 2013, 117, 4913.
10. Fabrication and Characterization of Nanoscale Ferroelectric Honeycombs
Bongsoo Kim, Seungbum Hong*, Hyunwoo Choi, Won-Hee Ryu, Haemin Paik, Yoon-Young Choi, Hyuk-Sang Kwon, and Kwangsoo No*, Journal of the American Ceramic Society, 2013, 96, 1355.
9. Simple, Robust Metal Fluoride Coating on Layered Li1.23Ni0.13Co0.14Mn0.56O2 and its Effects on Enhanced Electrochemical
Properties
Ji Won Min, Jihyeon Gim, Jinju Song, Won-Hee Ryu, Jong-Won Lee, Yong-Il Kim, Jaekook Kim, and Won Bin Im*, Electrochemica Acta, 2013, 100, 10.
8. Selective Diagnosis of Diabetes Using Pt-Functionalized WO3 Hemitube Networks As a Sensing Layer of Acetone in Exhaled Breath
Seon-Jin Choi, Inkun Lee, Bong-Hoon Jang, Doo-Young Youn, Won-Hee Ryu, Chong Ook Park, and Il-Doo Kim*, Analytical Chemistry, 2013, 85, 1792.
7. Electrochemical Performance of a Smooth and Highly Ordered TiO2 Nanotube Electrode for Li-ion Batteries
Won-Hee Ryu, Do-Hwan Nam, Yoo-Sung Ko, Ryoung-Hee Kim, and Hyuk-Sang Kwon*, Electrochemica Acta, 2012, 61, 19.
4. Synergistic effects of various morphologies and Al doping of spinel LiMn2O4 nanostructures on the electrochemical performance
of lithium-rechargeable batteries
Won-Hee Ryu, Ji-Yong Eom, Ri-Zhu Yin, Dong-Wook Han, Won-Keun Kim, and Hyuk-Sang Kwon*, Journal of Materials Chemistry, 2011, 21, 15337.
6. Morphological Control of Highly Aligned Manganese Dioxide Nanostructure Formed by Electrodeposition
Won-Hee Ryu, Jun-Hyok Yoon, and Hyuk-Sang Kwon*, Materials Letters, 2012, 79, 184.
5. Al2O3 Coating on LiMn2O4 by Electrostatic Attraction Forces and its effects on the High Temperature Cyclic Performance
Won-Keun Kim, DongWook Han, Won-Hee Ryu, Sung-Jin Lim, and Hyuk-Sang Kwon*, Electrochimica Acta, 2012, 71, 17
3. Facile route to control the surface morphologies of 3-D hierarchical MnO2 and its Al self-doping phenomenon
Won-Hee Ryu, Dong-Wook Han, Won-Keun Kim, and Hyuk-Sang Kwon*, Journal of Nanoparticle Research, 2011, 13, 4777.
2. Effects of highly ordered TiO2 nanotube substrates on the nucleation of Cu electrodeposits
Won-Hee Ryu, Chan-Jin Park, and Hyuk-Sang Kwon*, Journal of Nanoscience and Nanotechnology, 2010, 10, 3671.
1. Synthesis of Highly Ordered TiO2 Nanotube in Malonic Acid Solution by Anodization
Won-Hee Ryu, Chan-Jin Park*, and Hyuk-Sang Kwon*, Journal of Nanoscience and Nanotechnology, 2008, 8, 5467.