Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Yong Nam Jo"'
Publikováno v:
Applied Microscopy, Vol 51, Iss 1, Pp 1-7 (2021)
Abstract The main purpose of this paper is the preparation of transmission electron microscopy (TEM) samples from the microsized powders of lithium-ion secondary batteries. To avoid artefacts during TEM sample preparation, the use of ion slicer milli
Externí odkaz:
https://doaj.org/article/334a4980df74435da48e33eb15e43402
Autor:
Hyundong Yoo, Eunjun Park, Juhye Bae, Jaewoo Lee, Dong Jae Chung, Yong Nam Jo, Min-Sik Park, Jung Ho Kim, Shi Xue Dou, Young-Jun Kim, Hansu Kim
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
Abstract Silicon (Si) based materials are highly desirable to replace currently used graphite anode for lithium ion batteries. Nevertheless, its usage is still a big challenge due to poor battery performance and scale-up issue. In addition, two-dimen
Externí odkaz:
https://doaj.org/article/d01d495998894f62aeae6485149324c6
Autor:
Byeong Jin Jeong, Yong Nam Jo
Publikováno v:
Applied Sciences, Vol 11, Iss 24, p 11675 (2021)
Zn-air batteries have promise as the next generation of batteries. However, their self-discharge behavior due to the hydrogen evolution reaction (HER) and corrosion of the Zn anode reduce their electrochemical performance. Copper (II) oxide (CuO) eff
Externí odkaz:
https://doaj.org/article/36134a9b6f584003be4affb8721d20f4
Publikováno v:
Energies, Vol 12, Iss 9, p 1638 (2019)
Understanding the capacity fading mechanism of the LiNi0.8Co0.1Mn0.1O2 (NCM811) cathode materials is crucial for achieving long-lasting lithium-ion batteries with high energy densities. In this study, we investigated the factors affecting the capacit
Externí odkaz:
https://doaj.org/article/2f294d579bdf4ae19fd840e0097fba35
Autor:
Byeong Jin Jeong, Yong Nam Jo
Publikováno v:
Korean Journal of Materials Research. 32:533-537
Autor:
Jeong Eun Park, Yong Nam Jo
Publikováno v:
Korean Journal of Materials Research. 29:812-817
A zinc-air battery is one of most promising advanced batteries due to its high specific energy density, low cost, and environmental friendliness. However, zinc anodes in zinc-air batteries lead to several issues including self-discharge, corrosion re
Publikováno v:
Journal of Industrial and Engineering Chemistry. 76:396-402
The corrosion and hydrogen evolution reactions of Zn anodes accelerate the self-discharge of a Zn-air battery. To suppress the corrosion reaction and improve the self-discharge behavior of a Zn-air battery, polyaniline (PANI) is synthesized with diff
Autor:
Kadirvelayutham Prasanna, Chang Woo Lee, Yong Nam Jo, Suk Hyun Kang, P. Santhoshkumar, Su Jung Do
Publikováno v:
Ceramics International. 45:6972-6977
Li[NixCoyMnz]O2 (NCM) layered materials have been successfully adopted in commercial lithium ion batteries (LIBs). The presence of higher Ni content in cathode materials helps to improve the capacity. However, increased cation mixing on the surface o
Autor:
Kadirvelayutham Prasanna, R.M. Gnanamuthu, P. Santhoshkumar, Suk Hyun Kang, Yong Nam Jo, Kumaran Vediappan, Youn Cheol Joe, Chang Woo Lee
Publikováno v:
Journal of Industrial and Engineering Chemistry. 71:177-183
As a promising anode material, TiO2−x is prepared with a low bandgap by adding a zinc powder using a solvothermal reaction. It is homogeneous, spherical, and 30 nm in size, changing from anatase to rutile. It shows a high discharge capacity, 253.8
Autor:
Kadirvelayutham Prasanna, I. Nirmal Sivagami, Chang Woo Lee, Yong Nam Jo, P. Santhoshkumar, Suk Hyun Kang
Publikováno v:
Journal of Alloys and Compounds. 771:555-564
Transition metal oxides have been considered as a promising class of electrode materials in electrochemical energy storage devices and possess better capacities than mono-metal oxides. For the development of lithium-ion energy storage systems, the ar