Journal of Powder Materials

[English]
Investigation of the Thermal-to-Electrical Properties of Transition Metal-Sb Alloys Synthesized for Thermoelectric Applications: Jong Min Park, Seungki Jo, Sooho Jung, Jinhee Bae, Linh Ba Vu, Kwi-Il Park, Kyung Tae Kim; J Powder Mater. 2024;31(3):236-242. Published online June 27, 2024; DOI: https://doi.org/10.4150/jpm.2024.00031

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The development of thermoelectric (TE) materials to replace Bi2Te3 alloys is emerging as a hot issue with the potential for wider practical applications. In particular, layered Zintl-phase materials, which can appropriately control carrier and phonon transport behaviors, are being considered as promising candidates. However, limited data have been reported on the thermoelectric properties of metal-Sb materials that can be transformed into layered materials through the insertion of cations. In this study, we synthesized FeSb and MnSb, which are used as base materials for advanced thermoelectric materials. They were confirmed as single-phase materials by analyzing X-ray diffraction patterns. Based on electrical conductivity, the Seebeck coefficient, and thermal conductivity of both materials characterized as a function of temperature, the zT values of MnSb and FeSb were calculated to be 0.00119 and 0.00026, respectively. These properties provide a fundamental data for developing layered Zintl-phase materials with alkali/alkaline earth metal insertions.

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Improving thermoelectric properties of CuMnSb alloys via strategic alloying with magnetic MnSb and Cu
Jong Min Park, Seungki Jo, Soo-ho Jung, Jinhee Bae, Linh Ba Vu, Jihun Yu, Kyung Tae Kim
Materials Letters.2025; 381: 137796. CrossRef
Highly deformable and hierarchical 3D composite sponge for versatile thermoelectric energy conversion
Jong Min Park, Changyeon Baek, Min-Ku Lee, Nagamalleswara Rao Alluri, Gyoung-Ja Lee, Kyung Tae Kim, Kwi-Il Park
Applied Surface Science.2025; 692: 162730. CrossRef

[English]
Research Trends in Electromagnetic Shielding using MXene-based Composite Materials: Siyeon Kim, Jongmin Byun; J Powder Mater. 2024;31(1):57-76. Published online February 28, 2024; DOI: https://doi.org/10.4150/KPMI.2024.31.1.57

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Recent advancements in electronic devices and wireless communication technologies, particularly the rise of 5G, have raised concerns about the escalating electromagnetic pollution and its potential adverse impacts on human health and electronics. As a result, the demand for effective electromagnetic interference (EMI) shielding materials has grown significantly. Traditional materials face limitations in providing optimal solutions owing to inadequacy and low performance due to small thickness. MXene-based composite materials have emerged as promising candidates in this context owing to their exceptional electrical properties, high conductivity, and superior EMI shielding efficiency across a broad frequency range. This review examines the recent developments and advantages of MXene-based composite materials in EMI shielding applications, emphasizing their potential to address the challenges posed by electromagnetic pollution and to foster advancements in modern electronics systems and vital technologies.

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Designing dual phase hexaferrite (SrFe12O19) – Perovskite (La0.5Nd0.5FeO3) composites for enhanced electromagnetic wave absorption and band gap modulation
Pramod D. Mhase, Varsha C. Pujari, Santosh S. Jadhav, Abdullah G. Al-Sehemi, Sarah Alsobaie, Sunil M. Patange
Composites Communications.2025; 54: 102284. CrossRef

[Korean]
Research trends of MXenes as the Next-generation Two-dimensional Materials: Hojun Lee, Yejun Yun, Jinkwang Jang, Jongmin Byun; J Korean Powder Metall Inst. 2021;28(2):150-163. Published online April 1, 2021; DOI: https://doi.org/10.4150/KPMI.2021.28.2.150

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Interest in eco-friendly materials with high efficiencies is increasing significantly as science and technology undergo a paradigm shift toward environment-friendly and sustainable development. MXenes, a class of two-dimensional inorganic compounds, are generally defined as transition metal carbides or nitrides composed of few-atoms-thick layers with functional groups. Recently MXenes, because of their desirable electrical, thermal, and mechanical properties that emerge from conductive layered structures with tunable surface terminations, have garnered significant attention as promising candidates for energy storage applications (e.g., supercapacitors and electrode materials for Li-ion batteries), water purification, and gas sensors. In this review, we introduce MXenes and describe their properties and research trends by classifying them into two main categories: transition metal carbides and nitrides, including Ti-based MXenes, Mo-based MXenes, and Nb-based MXenes.

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Next-generation brackish water treatment: Exploring dual-ion capacitive deionization
Yize Li, Jing He, He Liu, Chao Yan
Journal of Environmental Chemical Engineering.2025; 13(2): 116037. CrossRef
Review on 2D MXene and graphene electrodes in capacitive deionization
Hammad Younes, Ding Lou, Md. Mahfuzur Rahman, Daniel Choi, Haiping Hong, Linda Zou
Environmental Technology & Innovation.2022; 28: 102858. CrossRef

[Korean]
Preparation of Cathode Materials for Lithium Rechargeable Batteries using Transition Metals Recycled from Li(Ni_1-x-yCo_xMn_y)O₂ Secondary Battery Scraps: Jae-won Lee, Dae Weon Kim, Seong Tae Jang; J Korean Powder Metall Inst. 2014;21(2):131-136. Published online April 1, 2014; DOI: https://doi.org/10.4150/KPMI.2014.21.2.131

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Abstract PDF: Cathode materials and their precursors are prepared with transition metal solutions recycled from the the waste lithium-ion batteries containing NCM (nickel-cobalt-manganese) cathodes by a H₂ and C-reduction process. The recycled transition metal sulfate solutions are used in a co-precipitation process in a CSTR reactor to obtain the transition metal hydroxide. The NCM cathode materials (Ni:Mn:Co=5:3:2) are prepared from the transition metal hydroxide by calcining with lithium carbonate. X-ray diffraction and scanning electron microscopy analyses show that the cathode material has a layered structure and particle size of about 10 μm. The cathode materials also exhibited a capacity of about 160 mAh/g with a retention rate of 93~96% after 100 cycles.

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