Journal of Electrochemical Science and Technology

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Journal of Electrochemical Science and Technology
Current Issue
Volume 17(1); Feb 2026

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Mini-Review

September 15, 2025

SiO_x-based High-capacity Anode Materials for Li-ion Batteries

Donghan Youn, Ji Young Kim, Seung Tae Kim, et al.

J. Electrochem. Sci. Technol. 2026;17(1):1-18.

Si-based anode materials have drawn much attention because of their higher specific capacity compared to graphite currently used in the anode of commercial lithium-ion batteries (LIBs). However, their practical use...

Research Article

June 30, 2025

Effect of Concentration of Tetraethylammonium Tetrafluoroborate on the Cell Performance of Electrochemical Double-layer Capacitors

Jong Yup Kim, Woo Jung Choi, Ketack Kim

J. Electrochem. Sci. Technol. 2026;17(1):19-28.

The solubility of tetraethylammonium tetrafluoroborate (TEA BF4) in acetonitrile (AN) is approximately 1.65 M. Solutions ranging from 0.3 to 1.5 M were prepared to investigate the effect of concentration on...

Research Article

July 3, 2025

K and Cl Co-Doping for Enhanced Ionic Conductivity and Structural Stability in Li-rich Cathode Materials

Min Seo Choi, J. Hyuk Kim, JM One, et al.

J. Electrochem. Sci. Technol. 2026;17(1):29-37.

K and Cl were co-doped to improve the structural stability and ionic conductivity of Lithium-rich layered oxide (LLO) cathodes. This co-doping improved the initial discharge capacity, cycling performance, and impedance...

Research Article

July 7, 2025

Facet-Selective Bromide Adsorption at High-index Facets of Copper Sulfides for Improved Electrochemical Nitrogen Reduction Activity and Selectivity

Gyu Seong Yi, Bohyun Jo, Yung-Eun Sung, et al.

J. Electrochem. Sci. Technol. 2026;17(1):38-49.

Electrochemical nitrogen reduction reaction (eNRR) is a promising sustainable alternative to the energy-intensive Haber–Bosch process for ammonia (NH₃) synthesis. However, simultaneously achieving high activity and selectivity remains challenging due to...

Research Article

July 15, 2025

Electrochemical Characteristics of Solid State-Synthesized Mn₂SiO₄ as a Negative Electrode Material for Lithium-Ion Batteries

Eunbi Lee, Ingyu Park, Hyunluen Jo, et al.

J. Electrochem. Sci. Technol. 2026;17(1):50-58.

Transition metal oxides that store lithium through a conversion reaction accommodate lithium ions and electrons during charge-discharge cycles, reducing the transition metal to its metallic state. Meanwhile, oxygen combines with...

Research Article

July 28, 2025

Li₃BO₃-Coated Li(Ni₀.₈Mn₀.₂)O₂ Cathode: Residual Lithium Control and Electrochemical Performance Evaluation

J.M. One, J. Hyuk Kim, Jeong H. Cho, et al.

J. Electrochem. Sci. Technol. 2026;17(1):59-69.

Owing to the limited availability, high cost, and environmental concerns associated with cobalt (Co), extensive research has focused on Co-free Li(Ni1-xMnₓ)O2 cathode materials. However, increasing the nickel (Ni) content while...

Research Article

August 5, 2025

The Enhancement of Electrochemical Properties of Yttrium-Doped Single-Crystal Cathode Materials for High-Rate Charging and Discharging

Jeong H. Cho, J. Hyuk Kim, JM One, et al.

J. Electrochem. Sci. Technol. 2026;17(1):70-77.

Single-crystal cathode materials typically restrict lithium-ion (Li-ion) diffusion, which cause lower capacity and rate performance than those of traditional polycrystalline cathodes. Enhancing Li-ion transport is crucial for improving their electrochemical...

Research Article

February 24, 2026

Development of an Eco-Friendly Cathode Material Recycling Process Without a Separation Step

J. Hyuk Kim, JM One, SH Lee, et al.

J. Electrochem. Sci. Technol. 2026;17(1):78-86.

Among the recycling technologies for lithium-ion batteries (LIBs), commercialized hydrometallurgical processes are currently widely used to separate and recover valuable metals, such as Ni, Co, and Mn, from used NCM...

Research Article

September 15, 2025

Influence of Cathode Airborne Impurity Levels on PEMFC Durability during Accelerated Performance Testing

Woonglim Lim, Yechan Park, Sunhoe Kim

J. Electrochem. Sci. Technol. 2026;17(1):87-99.

Various contaminants present in cathode air streams may significantly affect the performance of proton exchange membrane fuel cells (PEMFCs). In this paper, sulfur dioxide (SO2) and nitrogen dioxide (NO2) were...

Research Article

September 15, 2025

Effects of Environmental and Operational Factors on the Electrochemical Performance of a High-Power PEMFC for 3-MW-class Railway Vehicles

Doyoon Kim, Beomjoon Kim, Bo-Kyong Kim, et al.

J. Electrochem. Sci. Technol. 2026;17(1):100-112.

This study was aimed at validating an existing computational model to assess the feasibility of applying polymer electrolyte membrane fuel cells (PEMFCs) to 3-MW-class railway vehicles. The cell output performance...

Current Issue: Volume 17(1); Feb 2026

Research Articles

Research on the Effect of Channel Geometry Parameters on Tapered Parallel Proton Exchange Membrane Fuel Cell Performance: Zongxi Zhang, Xingru Liu, Zhike Sui, Yahong Li, Binbin Xu, Chuanzeng Song; Received September 17, 2025 Accepted November 13, 2025; DOI: https://doi.org/10.33961/jecst.2025.00878 [Forthcoming issue]; Full text PubReader ePub PDF

Valence State and Oxygen Vacancy Engineering via Vanadium Doping in NiFe-LDHs for Highly Sensitive Non-enzymatic Glucose Detection: Suok Lee, Yeonsu Park, Huisu Jeong, Eunwoo Park, Yunhoe Koo, Jong Bae Park, Sang-Beom Han, A-Rang Jang, Juwon Lee, Young-Woo Lee; Received September 24, 2025 Accepted October 30, 2025; DOI: https://doi.org/10.33961/jecst.2025.00906 [Forthcoming issue]; Full text PubReader ePub PDF Supplementary Material

Electrode Optimization using Bimodal Sized Particles in Ni-Rich NCM Cathodes for Enhanced Volumetric Energy Density and Cycle Life: So-yeon Kim, Junyeob Lim, Dong Chul Kang, Sangwon Nam, Jaegyun Heo, Tae-jun Koh, Hyun Chul Kang, Sung-Gyu Pyo, Songhun Yoon; Received September 4, 2025 Accepted October 15, 2025; DOI: https://doi.org/10.33961/jecst.2025.00843 [Forthcoming issue]; Full text PubReader ePub PDF Supplementary Material

Battery Pouch Cell Defect Detection System Using YOLOv11 Lightweight Model ‘Pouch Cell Defect Detection using Lightweight YOLOv11’: Dong-Ju Kang, Seung-Yong Son, Doo-Hyun Choi; Received August 22, 2025 Accepted September 18, 2025; DOI: https://doi.org/10.33961/jecst.2025.00717 [Forthcoming issue]; Full text PubReader ePub PDF

Polar Mesoporous Carbon-Coated Hybrid Separator Enabling Reversible Anchoring of Polysulfides in Li-S Cells: Je Yeon Kim, Hye Ran Kim, Meiying Pei, Sun Hyu Kim, Seok Kim, Yongju Jung; Received August 22, 2025 Accepted September 18, 2025; DOI: https://doi.org/10.33961/jecst.2025.00808 [Forthcoming issue]; Full text PubReader ePub PDF Supplementary Material

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