Výsledky vyhledávání - "Jeongsik Yun"

Akademický článek

Impedance Spectroscopy of Lithium Intercalation into Cathode Materials in Coin Cells

Autor: Göktug Yesilbas, Daniel Grieve, David Rettmann, Kivanc Gülderen, Aliaksandr S. Bandarenka, Jeongsik Yun

Publikováno v: ChemElectroChem, Vol 11, Iss 19, Pp n/a-n/a (2024)

Abstract Understanding the internal reactions in Li‐ion batteries is crucial to analyze them more accurately and improve their efficiency since they are involved in almost every aspect of everyday life. Electrochemical impedance spectroscopy is a v

Externí odkaz: https://doaj.org/article/b674a91258874760b6ae0087e1e98d9e

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Akademický článek

Gum based functional binder for high-performance artificial graphite anode for lithium-ion batteries

Autor: Joon Ha Chang, Min Wook Pin, Jiman Choi, Jaewon Park, Gyeong Min Choi, Jeongsik Yun, Kie Yong Cho, Zubair Ahmed Chandio, Inhye Kim, Youngjin Kim, Vinod V.T. Padil, Jun Young Cheong

Publikováno v: Sustainable Chemistry for the Environment, Vol 2, Iss , Pp 100012- (2023)

Artificial graphite (AG), in contrast to natural graphite, has received much attention due to its superior rate capabilities and stability under high current density. Although the rate capabilities can be enhanced by employing artificial graphite, th

Externí odkaz: https://doaj.org/article/de2047cfcbe24b9c9568138b3d644e86

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Akademický článek

Improved electrochemical performance using well-dispersed carbon nanotubes as conductive additive in the Ni-rich positive electrode of lithium-ion batteries

Autor: Jae Hong Choi, Chaewon Lee, Sungwoo Park, Mingi Hwang, Tom James Embleton, Kyungmok Ko, Mina Jo, Kashif Saleem Saqib, Jeongsik Yun, Minki Jo, Yoonkook Son, Pilgun Oh

Publikováno v: Electrochemistry Communications, Vol 146, Iss , Pp 107419- (2023)

Carbon nanotubes (CNTs) are being used as a conductive material to achieve fast charging/discharging properties in high current density LIB systems. However, it is difficult to form a well-distributed electron transfer network within the electrode us

Externí odkaz: https://doaj.org/article/761b5de2b91c4bc09d8823d33864f127

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Akademický článek

Analysis of Electrochemical Performance with Dispersion Degree of CNTs in Electrode According to Ultrasonication Process and Slurry Viscosity for Lithium-Ion Battery

Autor: Jaehong Choi, Chaewon Lee, Sungwoo Park, Tom James Embleton, Kyungmok Ko, Mina Jo, Kashif Saleem Saqib, Jeongsik Yun, Minki Jo, Yoonkook Son, Pilgun Oh

Publikováno v: Nanomaterials, Vol 12, Iss 23, p 4271 (2022)

Lithium-ion batteries (LIBs) continue to dominate the battery market with their efficient energy storage abilities and their ongoing development. However, at high charge/discharge C-rates their electrochemical performance decreases significantly. To

Externí odkaz: https://doaj.org/article/d049a2a5822b4e7d87f5b9439733b9cb

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High voltage and superior cyclability of indium hexacyanoferrate cathodes for aqueous Na-ion batteries enabled by superconcentrated NaClO4 electrolytes

Autor: Xaver Lamprecht, Philipp Marzak, Alexander Wieczorek, Nina Thomsen, Jongho Kim, Batyr Garlyyev, Yunchang Liang, Aliaksandr S. Bandarenka, Jeongsik Yun

Publikováno v: Energy Advances. 1:623-631

Highly-concentrated aqueous NaClO4 electrolyte enables the high working voltage and superior cyclability of NaIn[Fe(CN)6]. Furthermore, a guideline for tuning the working potential of Prussian Blue Analogs is demonstrated.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3337006b62d8f224773dbd795be395b4
https://doi.org/10.1039/d2ya00130f

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Development of High‐Energy Anodes for All‐Solid‐State Lithium Batteries Based on Sulfide Electrolytes

Autor: Pilgun Oh, Jeongsik Yun, Jae Hong Choi, Kashif Saleem Saqib, Tom James Embleton, Seohyeon Park, Chaewon Lee, Jahanzaib Ali, Kyungmok Ko, Jaephil Cho

Publikováno v: Angewandte Chemie International Edition. 61

All-solid-state Li batteries (ASSBs) promise better performance and higher safety than the current liquid-based Li-ion batteries (LIBs). Sulfide ASSBs have been extensively studied and considerably advanced in recent decades. Research on identifying

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13913be6820efa80c73778d77aac331f
https://doi.org/10.1002/anie.202201249

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