- [121] Tae Hun Kim, Eunbi Go, Haebeen Kim, and Ji Heon Ryu, "Enhanced Electrochemical Performance of Silicon Monoxide Negative Electrodes via Electroless Nickel Plating," Electronic Materials Letters, accepted.
- [120] Hee Jin Joo, Gyeong Rae Gim, and Ji Heon Ryu, "Effect of SBR/CMC Binder Ratio on the Electrochemical and Mechanical Properties of NG/c-SiO Composite Negative Electrodes," Journal of the Electrochemical Society, 172(10), 100534 (2025).
- [119] Duri Kim, Bomi Choi, Haebeen Kim, and Ji Heon Ryu, "Effect of boric acid in solid state synthesis on high temperature cycling of LiNi0.5Mn1.5O4 positive electrodes", Materials Letters, 404, 139641 (2026).
- [118] Eunbi Lee, Ingyu Park, Hyunluen Jo, Oh B. Chae, and Ji Heon Ryu, "Electrochemical Characteristics of Solid State-Synthesized Mn2SiO4 as a Negative Electrode Material for Lithium-Ion Batteries", Journal of Electrochemical Science and Technology, accepted.
- [117] Seongwook Kim, Arashdeep S. Thind, Sangram Keshari Mohanty, Jeong Ki Hong, Jae Yup Jung, Haeun Park, Yingjie Yang, Min-Sik Park, Mansi Sanjay Porwal, Eva Allen, Byeong Kil Choi, Hyein Jung, Neelam Sunariwal, Khagesh Kumar, Mingyuan Ge, Jaeseung Yoo, Jun-Ho Song, Ji Heon Ryu, Seyun Lee, Sri Charan Reddy, Madhusudana Koratikere Srinivasa, Aditya Ranjan Pati, Eungje Lee, Robert F. Klie, Jordi Cabana, and Hyun Deog Yoo , "High-Nickel Cathodes with Mechanical and Interfacial Robustness via Tailored Concentration Gradients for Stable Li-Ion Batteries", ACS Energy Lett., 10(7), 3600-3609 (2025).
- [116] Taeho Jeong, Sangram Keshari Mohanty, Woo Jeong Kwon, Sri Charan Reddy, Aditya Ranjan Pati, Ji Heon Ryu , and Hyun Deog Yoo , "Tailoring Iron Phosphate Precursors via Microcrystallization for High-Performance Lithium Iron Phosphate Cathodes in Lithium-ion Batteries", Journal of Materials Chemistry A, 13, 16694-16703 (2025).
- [115] Cheolhwan Song, Sehyeok Park, Namgun Kim, Oh B. Chae, and Ji Heon Ryu, "Enhanced Electrochemical Performance of Surface-Nitrided MnO Negative Electrode Materials in Li-Ion Batteries", Journal of Electrochemical Science and Technology, 16(1), 105-112 (2025).
- [114] Sangram Keshari Mohanty, Yeongin Ok, Eun Su Kim, Yuwon Park, Ji Heon Ryu, Junyoung Mun, Jeonghyeon Lee, Kyu Hyun, Madhusudana Koratikere Srinivasa, Hyein Jeong, Sri Charan Reddy, and Hyun Deog Yoo, "Motional Resistance as Highly Selective Descriptor to Probe Dynamic Formation of Surface Films on Zinc Anode", Batteries & Supercaps, 7(12), e202400338 (2024).
- [113] Wonyoung Song, Oh B. Chae, and Ji Heon Ryu, "Surface Nitridation of Nano-sized TiO 2 Negative Electrode Materials for Enhanced Electrochemical Performance in Lithium-ion Batteries", Journal of Electrochemical Science and Technology, 15(4), 512-520 (2024).
- [112] Bong Jin Kim, Geon Woo Youn, Inje Song, Sein Oh, and Ji Heon Ryu, "Comparative Study on the Electrochemical Behaviors of Positive Electrode Materials of Lithium-ion Batteries during Overdischarge", Journal of the Electrochemical Society, 171(4), 040534 (2024).
- [111] Sangram Keshari Mohanty, Lei Cao, Byeong Kil Choi, Ji Heon Ryu, Jin Kyoon Park, and Hyun Deog Yoo, "Electrochemically Activated Expanded Graphite with Tailor-made Pores for Magnesium-Organocation Hybrid Batteries", ChemSuSChem, 16(11), e202300035 (2023).
- [110] Jong Myeong Park, Haebeen Kim, Hwan-Jin Jeon, and Ji Heon Ryu, "Achieving high-performance Si nanoparticles-embedded carbon fiber film anodes in lithium-ion batteries through low current activations", Electronic Materials Letters, 19, 251-259 (2023).
- [109] Jihyun Jang, Hyun-seung Kim, San Moon, Oh B. Chae, Sung-Jin Ahn, Heechul Jung, Junghyun Choi, Seung M. Oh, Ji Heon Ryu, and Taeho Yoon, "Concentration Gradient Induced Delithiation Failure of MoO3 for Li-ion Batteries", Nano Letters, 22(2), 761-767 (2022).
- [108] Oh B. Chae, Mihye Wu, Jeong Beom Lee, Jihyun Jang, Jongjung Kim, Ju Ye Kim, Woo-Bin Jung, Seunghee Lee, Ji Heon Ryu, and Seung M. Oh, "A comparative study of increased lithium storage with low resistance at structural defects in amorphous titanium dioxide electrode", Electrochimica Acta, 398, 139358 (2021).
- [107] Hyun-seung Kim, Jin Hyeok Yang, Ji Woo Han, Le Thi Thao, Ji Heon Ryu, Seung Mo Oh, and Ki Jae Kim, "Permeable characteristics of surface film deposited on LiMn2O4 positive electrode revealed by redox-active indicator", Nano Convergence, 8, 21 (2021).
- [106] Jihyun Jang, Tae Hun Kim, and Ji Heon Ryu, "Surface Nitridation of Li4Ti5O12 by Thermal Decomposition of Urea to Improve Quick Charging Capability of Lithium Ion Batteries", Scientific Reports, 11, 13095 (2021).
- [105] Taeho Yoon, Jiyong Soon, Tae Jin Lee, Ji Heon Ryu, and Seung M. Oh, "Dissolution of Cathode–Electrolyte Interphase deposited on LiNi0.5Mn1.5O4 for lithium-ion batteries", Journal of Power Sources, 503, 230051 (2021).
- [104] Jihyun Jang, Haebeen Kim and Ji Heon Ryu, "Decrease in dendritic growth and overpotential through in-situ generated lithium-aluminum alloys for lithium metal batteries", International Journal of Energy Research, 45(11), 16884-16890 (2021).
- [103] Jihyun Jang, Heechul Jung, Seung M. Oh and Ji Heon Ryu, "A comparative study of reaction mechanism of MoS2 negative electrode materials for sodium-ion batteries", Journal of Alloys and Compounds, 876, 160182 (2021).
- [102] Hyun-seung Kim, Jongjung Kim, Seong Tae Yoo, Ji Heon Ryu, and Seung M. Oh, "Li-salt concentration effects on quick-charge performances of spinel lithium titanium oxide negative electrodes for lithium-ion batteries", Journal of the Electrochemical Society, 168(4), 040523 (2021).
- [101] Hyun-seung Kim, Jeong Beom Lee, Seunghae Hwang, Seulki Chae, Ji Heon Ryu,and Seung M. Oh, "An azamacrocyclic ligand-functionalized transition metal scavenging polymer for 5.0 V class high energy lithium-ion batteries", ACS Applied Energy Materials, 4(1), 128-133 (2021).
- [100] Hyun-seung Kim, Ji Heon Ryu, and Seung M. Oh, "Effect of radical–solvent interaction on battery performance in benzophenone-based charge storage systems", Journal of the Electrochemical Society, 167(16), 160526 (2020).
- [99] Gwan Hyeon Kim, Min Ji Kim, Hae Been Kim, Ji Heon Ryu, and Hee Chul Lee, "Preparation and Characterization of Sol–Gel-Driven LixLa3Zr2O12 Solid Electrolytes and LiCoO2 Cathodes for All-Solid-State Lithium-Ion Batteries", Journal of Nanoscience and Nanotechnology, 20(11), 7002-7009 (2020).
- [98] Jongjung Kim, Haebeen Kim, Ji Heon Ryu, and Seung M. Oh, "Lithium Bis(fluorosulfonyl)imide (LiFSI) as a Promising Salt to Suppress Solid Electrolyte Interphase Degradation at Elevated Temperatures", Journal of the Electrochemical Society, 167(8), 080529 (2020).
- [97] Daeun Kim, Sehyeok Park, Junyoung Mun, and Ji Heon Ryu, "One-Step Surface Nitridation of CoO for High-Energy-Density Lithium-ion Batteries", International Journal of Energy Research, 44, 9233-9239 (2020).
- [96] Hyun-seung Kim, Ji Heon Ryu, Jaekwang Kim, Keebum Hwang, Hyunchul Kang, Seung M.Oh, Hyungbin Son, and Songhun Yoon, "Ordered mesoporous tungsten oxide–carbon nanocomposite for use as a highly reversible negative electrode in lithium-ion batteries", Journal of Alloys and Compounds, 832, 154816 (2020).
- [95] Hyun-seung Kim, Jeong Beom Lee, Ki Jae Kim, Ji Heon Ryu, and Seung M. Oh, "Aliphatic chain substitution for enhancing energy density of p-benzoquinone redox couple", Journal of the Electrochemical Society, 167, 020551 (2020).
- [94] Haebeen Kim, Duri Kim, Min Young Hong, and Ji Heon Ryu, "Electrochemical Characteristics of Mg/V2O5 High-Capacity Hybrid Batteries with Mg-Li Dual Salt Electrolytes", Korean Journal of Chemical Engineering, 37(1), 184-187 (2020).
- [93] Ji Seon Oh, Duri Kim, Seung Ho Chae, Seungjoo Oh, Seong Tae Yoo, Haebeen Kim, and Ji Heon Ryu, "Electrochemical Performances of the Sn-Cu Alloy Negative Electrode Materials through Simple Chemical Reduction Method", Jorunal of Electrochemical Science and Technology, 10, 329-334 (2019).
- [92] S. Lee, N. Go, Ji Heon Ryu, and Junyoung Mun, "Multi-dimensional Conducting Agents for the High Energy Density Anode with SiO for Lithium Ion Battery", Jorunal of Electrochemical Science and Technology, 10, 244-249 (2019).
- [91] Hyun-seung Kim, Seunghae Hwang, Junyoung Mun, Hosang Park, Ji Heon Ryu, and Seung M. Oh, "Counter anion effects on the energy density of Ni(II)-chelated tetradentate azamacrocyclic complex cation as single redox couple for non-aqueous flow batteries", Electrochimica Acta, 308, 227-230 (2019).
- [90] Duri Kim and Ji Heon Ryu, "Amorphous V2O5 Positive Electrode Materials by Precipitation Method in Magnesium Rechargeable Batteries", Electronic Materials Letters, 15, 415-420 (2019).
- [89] Tae Jin Lee, Jiyong Soon, Seulki Chae, Ji Heon Ryu, and Seung M. Oh, "A Bifunctional Electrolyte Additive for High-Voltage LiNi0.5Mn1.5O4 Positive Electrode", ACS Appl. Mater. Interfaces, 11, 11306-11316 (2019).
- [88] Seunghae Hwang, Hyun-seung Kim, Ji Heon Ryu and Seung M. Oh, "N-(α-ferrocenyl)ethylphthalimide as a single redox couple for nonaqueous flow batteries", Journal of Power Sources, 421, 1-5 (2019).
- [87] Hyejeong Jeong , Jongjung Kim , Jiyong Soon , Seulki Chae , Ji Heon Ryu, and Seung M. Oh, "Surface film degradation on LiCoO2 electrode by hydrogen fluoride attack at moderately elevated temperature and CuO addition to mitigate the degradation", Journal of Electrochem. Soc., 166(2), A195-A200 (2019).
- [86] Jaekwang Kim, Daeun Kim, Ji Heon Ryu, and Songhun Yoon, "One pot synthesis of ordered mesoporous carbon–silica–titania with parallel alignment against graphene as advanced anode material in lithium ion batteries", Journal of Industrial and Engineering Chemistry, 71, 93-98 (2019).
- [85] Nu Ri Oh, Hae Been Kim, Ji Heon Ryu, Heon Lee, and Hee Chul Lee, "Sol–Gel-Driven Al and Ta Co-Doped Li7La3Zr2O12 Solid Ceramic Electrolyte for All-Solid-State Lithium Ion Batteries", Nanoscience and Nanotechnology Letters, 10(4), 491-496 (2018).
- [84] Dong-Min Kim, Sung Chul Jung, Seongmin Ha, Youngjin Kim, Yuwon Park, Ji Heon Ryu, Young-Kyu Han, and Kyu Tae Lee, "Co–Intercalation of Mg2+ Ions into Graphite for Magnesium–Ion Batteries", Chemistry of Materials, 30(10), 3199-3203 (2018).
- [83] Seunghae Hwang, Hyun-seung Kim, Ji Heon Ryu and Seung M. Oh, "N-ferrocenylphthalimide; A single redox couple formed by attaching a ferrocene moiety to phthalimide for non-aqueous flow batteries", Journal of Power Sources, 395, 60-65 (2018).
- [82] Seulki Chae, Jiyong Soon, Hyejeong Jeong, Tae jin Lee, Ji Heon Ryu, and Seung M. Oh, "Passivating film artificially built on LiNi0.5Mn1.5O4 by molecular layer deposition of (pentafluorophenylpropyl)trimethoxysilane", Journal of Power Sources, 392, 159-167 (2018).
- [81] Hyejeong Jeong, Jongjung Kim, Jiyong Soon, Seulki Chae, Seunghae Hwang, Ji Heon Ryu, and Seung M. Oh, "Degradation of surface film on LiCoO2 electrode by hydrogen fluoride attack at moderately elevated temperature", Electrochimica Acta, 277, 59-66 (2018).
- [80] Jiyong Soon, Seulki Chae, Tae Jin Lee, Jiwon Jung, Ji Heon Ryu, and Seung M. Oh, "Grafting nitrophenyl groups on carbon surfaces by diazonium chemistry to suppress irreversible reactions in high-voltage LiNi0.5Mn1.5O4 positive electrodes", Journal of Electrochem. Soc., 165(7), A1372-A1376 (2018).
- [79] Taeho Yoon, Taejin Lee, Jiyong Soon, Hyejeong Jeong, Sunhyung Jurng, Ji Heon Ryu and Seung M. Oh, "The Investigation of Electrolyte Oxidation and Film Deposition Characteristics at High Potentials in a Carbonate-Based Electrolyte Using Pt Electrode", Journal of Electrochem. Soc., 165(5), A1095-A1098 (2018).
- [78] Hyun-seung Kim, Seunghae Hwang, Youngjin Kim, Ji Heon Ryu, Seung M. Oh and Ki Jae Kim, "Bi-functional effects of lengthening aliphatic chain of phthalimide-based negative redox couple and its non-aqueous flow battery performance at stack cell", APL Materials, 6(4), 047901 (2018).
- [77] Tae Jin Lee, Hyun-seung Kim, Hong Seo Hwang, Jiyong Soon, Jiwon Jung, Ji Heon Ryu and Seung M. Oh, "Solid Permeable Interface (SPI) on a High-Voltage Positive Electrode of Lithium-Ion Batteries", Journal of Electrochem. Soc., 165(3), A575-A583 (2018).
- [76] Hyun-seung Kim, Jongjung Kim, Jae Gil Lee, Ji Heon Ryu, Jaekwang Kim, Seung M. Oh, and Songhun Yoon, "Novel silicon–tungsten oxide–carbon composite as advanced negative electrode for lithium-ion batteries", Solid State Ionics, 314, 41-45 (2018).
- [75] Hyun-seung Kim, Jaekwang Kim, Hyosung Kim, Youngjin Kim, Ji Heon Ryu, Seung M. Oh, and Songhun Yoon, "Hydrothermally synthesized tin (IV) sulfide as a negative electrode for sodium-ion batteries and its sodiation mechanism", Journal of Electroanalytical Chemistry, 808(1), 137-140 (2018).
- [74] Jongjung Kim, Hyun-seung Kim, Jae Gil Lee, Hyejeong Jeong, Ji Heon Ryu, and Seung M. Oh, "Communication-A phosphorus pentafluoride scavenger to suppress solid electrolyte interphase damage at moderately elevated temperature", Journal of Electrochem. Soc., 164(14), A3699-A3701 (2017).
- [73] Seunghae Hwang, Hyun-seung Kim, Ji Heon Ryu, and Seung M. Oh, "Ni(II)-chelated thio-crown complex as a single redox couple for non-aqueous flow batteries", Electrochemistry Communications, 85, 36-39 (2017).
- [72] Seulki Chae, Jeong Beom Lee, Jae Gil Lee, Tae-jin Lee, Jiyong Soon, Ji Heon Ryu, Jin Seok Lee, and Seung M. Oh, "Artificially-built solid electrolyte interphase via surface-bonded vinylene carbonate derivative on graphite by molecular layer deposition", Journal of Power Sources, 370, 131-137 (2017).
- [71] Hyun-seung Kim, Jaekwang Kim, Jihyun Jang, Nayeong Kim, Ji Heon Ryu, Songhun Yoon, and Seung M. Oh, "A comparative study of polarization during the initial lithiation step in tungsten-oxide negative electrodes for lithium-ion batteries", Solid State Ionics, 311, 1–5 (2017).
- [70] Jiyong Soon, Tae Jin Lee, Hyun-seung Kim, Jiwon Jung, Ji Heon Ryu, and Seung M. Oh, "Copper oxide as a hydrogen fluoride scavenger for high-voltage LiNi0.5Mn1.5O4 positive electrode", Journal of Electrochem. Soc., 164(12), A2677-A2682 (2017).
- [69] Jongjung Kim , Jae Gil Lee , Hyun-seung Kim , Tae Jin Lee , Hosang Park, Ji Heon Ryu, and Seung M. Oh, "Thermal degradation of solid electrolyte interphase (SEI) layers by phosphorus pentafluoride (PF5) attack", Journal of Electrochem. Soc., 164(12), A2418-A2425 (2017).
- [68] Tae Jin Lee, Jeong Beom Lee, Taeho Yoon, Hosang Park, Sunhyung Jurng, Daesoo Kim, Jiwon Jung, Jiyong Soon, Ji Heon Ryu, Kyu Tae Lee, and Seung M. Oh, "Tris(pentafluorophenyl)silane as a Solid Electrolyte Interphase (SEI)-Forming Agent for Graphite Electrodes", Journal of Electrochem. Soc., 164(9), A1887-A1892 (2017).
- [67] Jiwon Jung, Hoe Jin Hah, Tae jin Lee, Jae Gil Lee, Jeong Beom Lee, Jongjung Kim, Jiyong Soon, Ji Heon Ryu, Jae Jeong Kim, and Seung M. Oh, "Effect of Pre-Cycling Rate on the Passivating Ability of Surface Films on Li4Ti5O12 Electrodes", Journal of Electrochemical Science and Technology, 8(1) 15-24 (2017).
- [66] Hyun-seung Kim, Keon-Joon Lee, Young-Kyu Han, Ji Heon Ryu, Seung M. Oh, "A comparative study on the solubility and stability of p-phenylenediamine-based organic redox couples for non-aqueous flow batteries", Journal of Power Sources, 348, 264-269 (2017).
- [65] Jeong Beom Lee, Seulki Chae, Hyejeong Jeong, Hong Seo Hwang, Jiwon Jung, Ji Heon Ryu, and Seung M. Oh, "Communication—Electrochemical Conversion of CuV2O6 into Metallic Cu and LiVO3 with Highly Reversible Lithium Storage," Journal of Electrochem. Soc., 164(4) A864-A866 (2017).
- [64] Hong Seo Hwang, Taeho Yoon, Jihyun Jang, Jae Jeong Kim, Ji Heon Ryu, and Seung M. Oh, "Carbon fabric as a current collector for electroless-plated Cu6Sn5 negative electrode for lithium-ion batteries," Journal of Alloys and Compounds, 692, 583-588 (2017).
- [63] Jae Gil Lee, Jongjung Kim, Jeong Beom Lee, Hosang Park, Hyun-seung Kim, Ji Heon Ryu, Dong Sub Jung, Eun Kyung Kim, and Seung M. Oh, "Mechanical Damage of Surface Films and Failure of Nano-Sized Silicon Electrodes in Lithium Ion Batteries", Journal of Electrochem. Soc., 164(1) A6103-A6109 (2017).
- [62] Jeong Beom Lee, Oh. B. Chae, Seulki Chae, Ji Heon Ryu, and Seung M. Oh, "Amorphous Vanadium Titanates as a Negative Electrode for Lithium-ion Batteries", Journal of Electrochemical Science and Technology, 7(4) 306-315 (2016).
- [61] Hong Seo Hwang, Jeong Beom Lee, Jiwon Jung, Seyoung Lee, Ji Heon Ryu, and Seung M. Oh, "Highly flexible TiO2-coated stainless steel fabric electrode prepared by liquid-phase deposition", Journal of Power Sources, 330, 204-210 (2016).
- [60] Jeong Beom Lee, Janghyuk Moon, Oh B. Chae, Jae Gil Lee, Ji Heon Ryu, Maenghyo Cho, Kyeongjae Cho, and Seung M. Oh, "An Unusual Conversion-type Lithiation in LiVO3 Electrode for Lithium-ion Batteries," Chemistry of Materials, 28(15), 5314–5320 (2016).
- [59] Sunhyung Jurng, Sangjin Park, Taeho Yoon, Hyun-seung Kim, Hyejeong Jeong, Ji Heon Ryu, Jae Jeong Kim, and Seung M. Oh, "Low-temperature Performance Improvement of Graphite Electrode by Allyl Sulfide Additive and its Film-forming Mechanism", Journal of Electrochem. Soc., 163(8), A1798-A1804 (2016).
- [58] Hyun-seung Kim, Taeho Yoon, Youngjin Kim, Seunghae Hwang, Ji Heon Ryu, and Seung M. Oh, "Increase of both solubility and working voltage by acetyl substitution on ferrocene for non-aqueous flow battery", Electrochemistry Communications, 69, 72-75 (2016).
- [57] Hee-Young Park, Sang Hyon Park, Myeong Sun Park, Hyoung-Juhn Kim, Dirk Henkensmeier, Sung Jong Yoo, Jin Young Kim, Ji Heon Ryu, and Jong Hyun Jang, "Development of La0.8Sr0.2MnO3+δ electrocatalysts by Pechini's methods as cathode electrocatalysts in alkaline anion exchange membrane fuel cells," Solid State Ionics, 290, 124-129 (2016).
- [56] Tae Jin Lee, Jeong Beom Lee, Taeho Yoon, Daesoo Kim, Oh B. Chae, Jiwon Jung, Jiyong Soon, Ji Heon Ryu, Jae Jeong Kim, and Seung M. Oh, "Tris(pentafluorophenyl)silane as an Electrolyte Additive for 5 V LiNi0.5Mn1.5O4 Positive Electrode", Journal of Electrochem. Soc., 163(6), A898 (2016).
- [55] Sunhyung Jurng , Hyun-seung Kim , Jae Gil Lee , Ji Heon Ryu, and Seung M. Oh, "Low-temperature Characteristics and Film-forming Mechanism of Elemental Sulfur Additive on Graphite Negative Electrode", Journal of Electrochem. Soc., 163(2), A223-A228 (2016).
- [54] Junyoung Mun and Ji Heon Ryu, "Binder- and Carbon-free Porous Thick Tin Foil Electrode via a Spontaneous Electrochemical and Chemical Process", Bulletin of the Korean Chemical Society, 37(1), 48-51 (2016).
- [53] Daeun Kim, Ilbok Lee, Jaekwang Kim, Ji Heon Ryu, Hyungbin Son, Kyung Soo Ha, and Songhun Yoon, "Influence of surface area change of spinel cathode on high temperature storage behavior of lithium ion pouch cell", Bulletin of the Korean Chemical Society, 36(11), 2658-2663 (2015).
- [52] Hyun-seung Kim, Sunhyung Jurng. Seunghee Sim, Taeho Yoon, Junyoung Mun, Ji Heon Ryu and Seung M. Oh, "An Azamacrocyclic Electrolyte Additive to Suppress Metal Deposition in Lithium-ion Batteries", Electrochemistry Communications, 58, 25-28 (2015).
- [51] Hyun Deog Yoo, Jong Hyun Jang, Kyeongjae Cho, Yongping Zheng, Yuwon Park, Ji Heon Ryu, and Seung M. Oh, "Effects of Interlayer Distance and van der Waals Energy on Electrochemical Activation of Partially Reduced Graphite Oxide", Electrochimica Acta, 173(10), 827-833 (2015).
- [50] Jae Gil Lee , Jongjung Kim , Hosang Park , Jeong Beom Lee , Ji Heon Ryu, Jae Jeong Kim,and Seung M. Oh, "A calculation model to assess two irreversible capacities evolved in silicon negative electrodes", Journal of Electrochem. Soc., 162(8), A1579-A1584 (2015).
- [49] Jiwon Jung, Jihyun Jang, O.B. Chae, Taeho Yoon, Ji Heon Ryu, and Seung M. Oh, "Reinforcement of an electrically conductive network with ethanol as a dispersing agent in the slurry preparation step", Journal of Power Sources, 287, 359-362 (2015).
- [48] Sang-Mo Kim, Myeong Hak Kim, Sung Yeol Choi, Jae Gil Lee, Jihyun Jang, Jeong Beom Lee, Ji Heon Ryu, Seung Sik Hwang, Jin-Hwan Park, Kyusoon Shin, Young Gyu Kim and Seung Mo Oh, "Poly(phenanthrenequinone) as a Conductive Binder for Nano-sized Silicon Negative Electrodes", Energy & Environmental Science , 8, 1538-1543 (2015).
- [47] Hosang Park, Taeho Yoon, Youngjin Kim, Jae Gil Lee, Jongjung Kim, Hyun-seung Kim, Ji Heon Ryu, Jae Jeong Kim,and Seung M. Oh, "Thermal Behavior of Solid Electrolyte Interphase Films Deposited on Graphite Electrodes with Different States-of-Charge", Journal of Electrochem. Soc., 162(6), A892-A896 (2015).
- [46] Hyun-seung Kim, Taeho Yoon, Jihyun Jang, Junyoung Mun, Hosang Park, Ji Heon Ryu and Seung M. Oh, "A tetradentate Ni(II) complex cation as a single redox couple for non-aqueous flow batteries", Journal of Powe Sources, 283, 300-304 (2015).
- [45] Jihyun Jang, Sang-Mo Kim1, Youngjin Kim, Kern H. Park, Jun H. Ku, Ji Heon Ryu and Seung M. Oh, "Electrode Performances of Amorphous Molybdenum Oxides of Different Molybdenum Valence for Lithium-ion Batteries", Israel Journal of Chemistry, 55(5), 604-610 (2015).
- [44] Oh B. Chae, Jisun Kim, Inchul Park, Hyejeong Jeong, Jun H. Ku, Ji Heon Ryu, Kisuk Kang, and Seung M. Oh, "Reversible lithium storage at highly-populated vacant sites in amorphous vanadium pentoxide electrode", Chemistry of Materials, 26(20), 5874-5881 (2014).
- [43] Daesoo Kim, Taeho Yoon, Sangjin Park, Soyoung Shin, Ji Heon Ryu, and Seung M. Oh, "Re-Deposition of Aluminum Species after Dissolution to Improve Electrode Performances of Lithium Manganese Oxide", Journal of Electrochem. Soc., 161(14), A2020-A2025 (2014).
- [42] Jihyun Jang, Youngjin Kim, Oh B. Chae, Taeho Yoon, Sang-Mo Kim, Hyun-seung Kim, Hosang Park, Ji Heon Ryu and Seung M. Oh, "A First-Cycle Coulombic Efficiency Higher than 100 % Observed for a Li2MO3 (M=Mo or Ru) Electrode", Angewandte Chemie International Edition, 126(40), 10830-10833 (2014).
- [41] Hyun Deog Yoo, Jong Hyun Jang, Ji Heon Ryu, Yuwon Park, and Seung Mo Oh, "Impedance analysis of porous carbon electrodes to predict rate capability of electric double-layer capacitorsre", Journal of Power Sources, 267, 411-420 (2014).
- [40] Youngjin Kim, Yongil Kim, Aram Choi, Sangwon Woo, Duckgyun Mok, Nam-Soon Choi, Yoon Seok Jung, Ji Heon Ryu, Seung M. Oh, and Kyu Tae Lee, "Tin Phosphide as a Promising Anode Material for Na-ion Batteries", Advanced Materials, 26, 4139-4144 (2014).
- [39] Junyoung Mun, Taeeun Yim, Jang-Hoon Park, Ji Heon Ryu, Sang-Young Lee, Young Gyu Kim, and Seung Oh, "Allylic ionic liquid electrolyte-assisted electrochemical surface passivation of LiCoO2 for advanced, safe lithium-ion batteries," Scientific Reports, 4, 5802 (2014).
- [38] Taeho Yoon , Daesoo Kim , Kern Ho Park , Hosang Park , Sunhyung Jurng , Jihyun Jang, Ji Heon Ryu, Jae Jeong Kim, and Seung M. Oh, "Compositional change of surface film deposited on LiNi0.5Mn1.5O4 positive electrode", Journal of Electrochem. Soc., 161(4), A519-A523 (2014).
- [37] Ji Y. Kwon,Oh.B. Chae,Kern H. Park, Hong Seo Hwang, Sang-Young Lee, Ji Heon Ryu, and Seung M. Oh, "Reduction of heat generation for lithiated graphite by forming a local galvanic cell with Cu3Sn at elevated temperature", Electrochem. Commun., 37, 88-90 (2013).
- [36] Hosang Park, Taeho Yoon, Young-Ugk Kim, Ji Heon Ryu, Seung M. Oh, "Li2NiO2 as a sacrificing positive additive for lithium-ion batteries", Electrochimica Acta, 108, 591 (2013).
- [35] Hosang Park, Taeho Yoon, Junyoung Mun, Ji Heon Ryu, Jae Jeong Kim, and Seung M. Oh, "A Comparative Study on Thermal Stability of Two Solid Electrolyte Interphase (SEI) Films on Graphite Negative Electrode", Journal of Electrochem. Soc., 160(9), A1539 (2013).
- [34] Kun Woo Kim, Hosang Park, Jae Gil Lee, Jongjung Kim, Young-Ugk Kim, Ji Heon Ryu, Jae Jeong Kim, and Seung M. Oh, "Capacity Variation of Carbon-coated Silicon Monoxide Negative Electrode for Lithium-ion Batteries", Electrochim. Acta, 103, 226 (2013).
- [33] Seung-Woo Han, Ji Heon Ryu, Joayoung Jeong, and Dang-Hyok Yoon, "Solid-state synthesis of Li4Ti5O12 for high power lithium ion battery applications", Journal of Alloys and Compounds, 570, 144 (2013).
- [32] Youngjin Kim, Yuwon Park, Aram Choi, Nam-Soon Choi, Jeongsoo kim, Junesoo Lee, Ji Heon Ryu, Seung M. Oh, and Kyu Tae Lee, "An Amorphous Red Phosphorus/Carbon Composite as a Promising Anode Material for Sodium Ion Batteries", Advanced Materials, 25(22), 3045 (2013).
- [31] Oh B. Chae, Sangjin Park,Ji Heon Ryu, and Seung M. Oh, "Performance Improvement of Nano-Sized Zinc Oxide Electrode by Embedding in Carbon Matrix for Lithium-Ion Batteries", Journal of Electrochem. Soc., 160(1), A11 (2013).
- [30] Erang Cho, Junyoung Mun, Oh B. Chae, Ohmin Kwon, Hyungtae Kim, Ji Heon Ryu, Young Gyu Kim, and Seung M. Oh, "Corrosion/passivation of aluminum current collector in bis(fluorosulfonyl)imide-based ionic liquid for lithium-ion batteries", Electrochem. Commun., 22, 1-3 (2012).
- [29] Jun H. Ku, Ji Heon Ryu, Sun Ha Kim, Oc Hee Han, and Seung M. Oh, "Reversible Lithium Storage with High Mobility at Structural Defects in Amorphous Molybdenum Dioxide Electrode", Advanced Functional Materials, 22(17), 3658-3664 (2012).
- [28] Taeho Yoon, Sangjin Park, Junyoung Mun, Ji Heon Ryu, Wonchang Choi, Yoon-Sok Kang, Jin-Hwan Park, and Seung M. Oh, "Failure Mechanisms of LiNi0.5Mn1.5O4 Electrode at Elevated Temperature", Journal of Power Sources, 215(1), 312-316 (2012).
- [27] Jin-Wook Shin,Kyung Yoon Chung, Ji Heon Ryu, In-Wook Park, and Dang-Hyok Yoon, "Effects of Li/Ti ratios on the electrochemical properties of Li4Ti5O12 examined by time-resolved X-ray diffraction", Applied Physics A, 107(4), 769-775 (2012).
- [26] Tae-Hee Kim, Jeong-Seok Park, Sung Kyun Chang, Seungdon Choi, Ji Heon Ryu, Hyun-Kon Song, "The Current Move of Lithium Ion Batteries towards the Next Phase", Advanced Energy Materials, 2(7), 860-872 (2012).
- [25] Jin-Wook Shin, Ji Heon Ryu, Joayoung Jeong, and Dang-Hyok Yoon, "Effects of post-treatments on the electrochemical properties of solid-state reacted Li4Ti5O12 – high energy milling and annealing", Journal of Electroceramics, 28(2-3), 178-184 (2012).
- [24] Daesoo Kim, Sangjin Park, Oh B. Chae, Ji Heon Ryu, Young-Ugk Kim, Ri-Zhu Yin, and Seung M. Oh, "Re-Deposition of Manganese Species on Spinel LiMn2O4 Electrode after Mn Dissolution", Journal of Electrochem. Soc., 159(3), A193 (2012).
- [23] Chang-Hoon Hong, Alfian Noviyanto, Ji Heon Ryu, Jaemyung Kim, and Dang-Hyok Yoon, "Effects of the starting materials and mechanochemical activation on the properties of solid-state reacted Li4Ti5O12 for lithium ion batteries", Ceramics International, 38(1), 301 (2012).
- [22] Ji Heon Ryu, "Polarization Behavior of Li4Ti5O12 Negative Electrode for Lithium-ion Batteries", J. Electrochem. Sci. Tech., 2(3), 136 (2011).
- [21] Hyun D. Yoo, Ji Heon Ryu, Seongho Park, Yuwon Park, Bok H. Ka, and Seung M. Oh, "Expanded Graphite Negative Electrode for Lithium-ion Batteries", J. Electrochem. Sci. Tech., 2(1), 45 (2011).
- [20] Junyoung Mun, Taeeun Yim, Sunhyung Jurng, Jang-Hoon Park, Sang-Young Lee, Ji Heon Ryu, Young Gyu Kim, and Seung M. Oh, "The feasibility of a pyrrolidinium-based ionic liquid solvent for nongraphitic carbon electrodes", Electrochem. Commun., 13(11), 1256 (2011).
- [19] Hyun D. Yoo, Yuwon Park, Ji Heon Ryu, and Seung M. Oh, "Electrochemical activation behaviors studied with graphite electrodes of different interlayer distance", Electrochim. Acta, 56(27), 9931 (2011).
- [18] Ji Y. Kwon, Ji Heon Ryu, Yoon S. Jung, and Seung M. Oh, "Thermo-electrochemical activation of Cu3Sn as negative electrode for lithium-ion batteries", Journal of Alloys and Compounds, 509(28), 7595 (2011).
- [17] Sangjin Park, Ji Heon Ryu, and Seung M. Oh, "Passivating Ability of Surface Film Derived from Vinylene Carbonate on Tin Negative Electrode", Journal of Electrochem. Soc., 158(5), A498 (2011).
- [16] Junyoung Mun, Taeeun Yim, Kyungjin Park, Ji Heon Ryu, Young Gyu Kim, and Seung M. Oh, "Surface Film Formation on LiNi0.5Mn1.5O4 Electrode in an Ionic Liquid Solvent at Elevated Temperature", Journal of Electrochem. Soc., 158(5), A453 (2011).
- [15] Songhun Yoon, Seung M. Oh, Chul Wee Lee, and Ji H. Ryu, "Pore structure tuning of mesoporous carbon prepared by direct templating method for application to high rate supercapacitor electrodes", Journal of Electroanalytical Chemistry, , 650, 187-195 (2011).
- [14] Kyoungseon Min, Ji Heon Ryu, and Young Je Yoo, "Mediator-free glucose/O2 biofuel cell based on a 3-dimensional glucose oxidase/SWNT/polypyrrole composite electrode," Biotechnology and Bioprocess Engineering, 15(3), 371 (2010).
- [13] Junyoung Mun, Taeeun Yim, Chang Young Choi, Ji Heon Ryu, Young Gyu Kim, and Seung M. Oh, "Linear-sweep Thermammetry Study on Corrosion Behavior of Al Current Collector in Ionic Liquid Solvent", Electrochem. Solid-state Lett., 13(8), A109 (2010).
- [12] Oh B. Chae, Sangjin Park, Jun H. Ku, Ji Heon Ryu, and Seung M. Oh, "Nano-scale uniform distribution of Ge/Cu3Ge phase and its electrochemical performance for lithium-ion batteries", Electrochim. Acta, 55(8), 2894 (2010).
- [11] Junyoung Mun, Sangmi Kim, Taeeun Yim, Hyun Yeong Lee, Ji Heon Ryu, Young Gyu Kim, and Seung M. Oh, "Comparative Study on Surface Films from Ionic Liquids Containing Saturated and Unsaturated Substituent for LiCoO2", Journal of Electrochem. Soc., 157(2), A136 (2010).
- [10] Ji Y. Kwon, Ji Heon Ryu, and Seung M. Oh, "Performance of electrochemically generated Li21Si5 phase for lithium-ion batteries", Electrochim. Acta, 55(27), 8051-8055 (2010).
- [09] Jisun Kim, Min K. Chung, Bok H. Ka, Jun H. Ku, Sangjin Park, Ji H. Ryu, and Seung M. Oh, " The role of metallic Fe and carbon matrix in Fe2O3/Fe/carbon nanocomposite for lithium ion batteries", Journal of the Electrochem. Soc., 157(4), A412 (2010).
- [08] Gil-Won Lee, Ji Heon Ryu, Woojoo Han, Kyung Hyun Ahn, and Seung M. Oh, "Effect of slurry preparation process on electrochemical performances of LiCoO2 composite electrode", Journal of Power Sources, 195(18), 6049 (2010).
- [07] Yang Hee Kim, Tae Ho Kim, Ji Heon Ryu, and Young Je Yoo, "Iron oxide/carbon black (Fe2O3/CB) composite electrode for the detection of reduced nicotinamide cofactors using an amperometric method under a low overpotential", Biosensors and Bioelectronics, 25, 1160 (2010).
- [06] Songhun Yoon, Ji H. Ryu, Seung M. Oh, Chulwee Lee, "A preparation of carbon fibers using a block copolymer surfactant template and its application to anode of lithium ion batteries", Journal of Non-Crystalline Solids, 355, 913 (2009).
- [05] Yoon Seok Jung, Kyu T. Lee, Ji Heon Ryu, Dongmin Im, and Seung M. Oh, "Sn-Carbon Core-Shell Powder for Anode in Lithium Secondary Batteries", Journal of the Electrochem. Soc., 152, A1452 (2005).
- [04] Jae Woo Kim, Ji Heon Ryu, Kyu T. Lee and Seung M. Oh, "Improvement of silicon powder negative electrodes by copper electroless deposition for lithium secondary batteries", Journal of Power Sources, 147, 227 (2005).
- [03] Ji Heon Ryu, Jae Woo Kim, Yung-Eun Sung, and Seung M. Oh, "The Failure Modes of Silicon Powder Negative Electrode in Lithium Secondary Batteries", Electrochem. Solid-state Lett., 7, A306 (2004).
- [02] Jong H. Jang, Ji H. Ryu, and Seung M. Oh, "Microstructure of Ni/YSZ cermets according to particle size of precursor powders and their anodic performances in SOFC", Ionics, 6, 86-91 (2000).
- [01] J. H. Choi, J. H. Jang, J. H. Ryu, and S. M. Oh, "Microstructure and cathodic performance of La0.9Sr0.1MnO3 electrodes according to particle size of starting powder", J. Power Sources, 87, 92-100 (2000).
