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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

Mini-Review

SiO_x-based High-capacity Anode Materials for Li-ion Batteries: Donghan Youn, Ji Young Kim, Seung Tae Kim, Sohyun Kim, Sungjin Kim, Hansu Kim; J. Electrochem. Sci. Technol. 2026;17(1):1-18. Published online September 15, 2025; DOI: https://doi.org/10.33961/jecst.2025.00773; Full text PubReader ePub PDF

Research Articles

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. Published online June 30, 2025; DOI: https://doi.org/10.33961/jecst.2025.00451; Full text PubReader ePub PDF Supplementary Material

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, SH Lee, Jeong H. Cho, Yun Hyeok Choi, San Kang, Jong-Tae Son; J. Electrochem. Sci. Technol. 2026;17(1):29-37. Published online July 3, 2025; DOI: https://doi.org/10.33961/jecst.2025.00605; Full text PubReader ePub PDF

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, Taekyung Yu, Hyun S. Park; J. Electrochem. Sci. Technol. 2026;17(1):38-49. Published online July 7, 2025; DOI: https://doi.org/10.33961/jecst.2025.00402; Full text PubReader ePub PDF Supplementary Material

Electrochemical Characteristics of Solid State-Synthesized Mn₂SiO₄ as a Negative Electrode Material for Lithium-Ion Batteries: Eunbi Lee, Ingyu Park, Hyunluen Jo, Oh B. Chae, Ji Heon Ryu; J. Electrochem. Sci. Technol. 2026;17(1):50-58. Published online July 15, 2025; DOI: https://doi.org/10.33961/jecst.2025.00584; Full text PubReader ePub PDF

Li₃BO₃-Coated Li(Ni₀.₈Mn₀.₂)O₂ Cathode: Residual Lithium Control and Electrochemical Performance Evaluation: J.M. One, J. Hyuk Kim, Jeong H. Cho, Min Seo Choi, Yun Hyeok Choi, S.H. LEE, San Kang, Jong-Tae Son; J. Electrochem. Sci. Technol. 2026;17(1):59-69. Published online July 28, 2025; DOI: https://doi.org/10.33961/jecst.2025.00598; Full text PubReader ePub PDF

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, SH Lee, Min Seo Choi, Yun Hyeok Choi, San Kang, Jong-Tae Son; J. Electrochem. Sci. Technol. 2026;17(1):70-77. Published online August 5, 2025; DOI: https://doi.org/10.33961/jecst.2025.00619; Full text PubReader ePub PDF

Development of an Eco-Friendly Cathode Material Recycling Process Without a Separation Step: J. Hyuk Kim, JM One, SH Lee, Jeong H. Cho, Min Seo Choi, Yun-Hyeok Choi, San Kang, Jong-Tae Son; J. Electrochem. Sci. Technol. 2026;17(1):78-86. Published online February 24, 2026; DOI: https://doi.org/10.33961/jecst.2025.00834; Full text PubReader ePub PDF

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. Published online September 15, 2025; DOI: https://doi.org/10.33961/jecst.2025.00668; Full text PubReader ePub PDF

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, Joon-Hyoung Ryu, Jong Dae Baek, Seok-Won Kang; J. Electrochem. Sci. Technol. 2026;17(1):100-112. Published online September 15, 2025; DOI: https://doi.org/10.33961/jecst.2025.00493; Full text PubReader ePub PDF

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Copyright © 2026 by The Korean Electrochemical Society.

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