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pro vyhledávání: '"Kyeong-Nam Kang"'
Autor:
Kyeong-Nam Kang, Ananthakumar Ramadoss, Jin-Wook Min, Jong-Chul Yoon, Deokjung Lee, Seok Ju Kang, Ji-Hyun Jang
Publikováno v:
Nano-Micro Letters, Vol 12, Iss 1, Pp 1-13 (2020)
Abstract We report a wire-shaped three-dimensional (3D)-hybrid supercapacitor with high volumetric capacitance and high energy density due to an interconnected 3D-configuration of the electrode allowing for large number of electrochemical active site
Externí odkaz:
https://doaj.org/article/ba23b4be032a4eb9b01c9668cdc8dc28
Publikováno v:
ACS Applied Materials & Interfaces. 14:33013-33023
Hydrogen production, which is in the spotlight as a promising eco-friendly fuel, and the need for inexpensive and accurate electronic devices in the biochemistry field are important emerging technologies. However, the use of electrocatalytic devices
Autor:
Hu Young Jeong, Guntae Kim, Kyeong-Nam Kang, Hansol Lee, Ji-Hyun Jang, Junyoung Kim, Myung-Jun Kwak
Publikováno v:
ACS Energy Letters. 5:3828-3836
We report a Co3O4 exsolved perovskite oxide PrBaMn1.7Co0.3O5+δ (Co3O4–PBMCO) that utilizes the Faradaic transfer of metal oxide and favorable OH– adsorption for an energy storage mechanism, as an a...
Autor:
Kyeong-Nam Kang, Feng Ding, Ji-Hyun Jang, Xinyue Dai, Jongha Hwang, Myung-Jun Kwak, Jong-Chul Yoon
Publikováno v:
ACS nano. 15(7)
An efficient reduction method to obtain high-quality graphene sheets from mass-producible graphene oxide is highly desirable for practical applications. Here, we report an in situ deoxidation and graphitization mechanism for graphene oxide that allow
Publikováno v:
Nano Energy. 50:410-416
We introduce the use of xurography as a facile plotter-assisted integration technique for an all-solid-state flexible micro-supercapacitors (mSCs), which is cost-effective and time-saving, by which 162 mSCs can be simultaneously produced on an A4 siz
Autor:
Sun Hwa Lee, Xinyue Dai, Myung-Jun Kwak, Feng Ding, Kyeong-Nam Kang, Jongha Hwang, Ji-Hyun Jang, Jong-Chul Yoon
Publikováno v:
ACS Nano. 15:13891-13891
Autor:
Kyeong-Nam Kang, Jae Sung Lee, Youn Jeong Jang, Kwang Young Kim, Yo Han Choi, Ji-Hyun Jang, Eun Cheol Ra, Sun Hee Choi, Eun Hyup Kim
Publikováno v:
ChemSusChem. 10:4764-4770
A microwave-assisted hydrothermal synthesis produces ZnFe2 O4 containing Na residue as a precursor to a CO2 hydrogenation catalyst that displays high CO2 conversion and high selectivity to liquid hydrocarbon products in the gasoline and diesel range
Autor:
Deokjung Lee, Kyeong-Nam Kang, Seok Ju Kang, Jong-Chul Yoon, Ananthakumar Ramadoss, Ji-Hyun Jang, Jin‑Wook Min
Publikováno v:
Nano-Micro Letters
Nano-Micro Letters, Vol 12, Iss 1, Pp 1-13 (2020)
Nano-Micro Letters, Vol 12, Iss 1, Pp 1-13 (2020)
Highlights The flexible 3D porous structure with a large surface area provides pathways for rapid ion/electron transport and ion diffusion as well as numerous electroactive sites.The wire-shaped supercapacitor exhibits a high energy density of 153.3
Publikováno v:
Physical chemistry chemical physics : PCCP. 20(2)
An ultrathin nickel hydroxide layer electrodeposited on a carbon-coated three-dimensional porous copper structure (3D-C/Cu) is suggested as an additive and binder-free conductive electrode with short electron path distances, large electrochemical act
Publikováno v:
RSC Adv.. 4:59310-59314
We introduce a straightforward strategy to simultaneously improve the capacitance, rate capability, and cycle life of a supercapacitor by simply electrodepositing Ni-nanoparticles (Ni-NPs) on an as-prepared electrode. 3D-structured current collectors