Zobrazeno 1 - 10
of 698
pro vyhledávání: '"Hak Yong Kim"'
Publikováno v:
Inorganics, Vol 12, Iss 8, p 212 (2024)
Graphitic carbon plays a pivotal role in numerous technological applications, including energy storage, energy conversion, and different fields of material science. The transformation of amorphous carbon into graphitic carbon, a process known as grap
Externí odkaz:
https://doaj.org/article/c6855abfcd86439fa3e96c41bcff5f6e
Autor:
Nasser A. M. Barakat, Shimaa Gamal, Hak Yong Kim, Nasser M. Abd El-Salam, Hassan Fouad, Olfat A. Fadali, Hager M. Moustafa, Omina H. Abdelraheem
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
Microbial fuel cells (MFCs) offer a dual solution of generating electrical energy from organic pollutants-laden wastewater while treating it. This study focuses on enhancing MFC performance through innovative electrode design. Three-dimensional (3D)
Externí odkaz:
https://doaj.org/article/efa32c83ffb54c2ca3d71e4433d6a803
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
This manuscript is dedicated to a comprehensive exploration of the multifaceted challenge of fast electron-hole recombination in titanium dioxide photocatalysis, with a primary focus on its critical role in advancing the field of water photo splittin
Externí odkaz:
https://doaj.org/article/ef87060aebcc458bad27b66e503b818b
Autor:
Anup Adhikari, Kisan Chhetri, Rajan Rai, Debendra Acharya, Jyotendra Kunwar, Roshan Mangal Bhattarai, Rupesh Kumar Jha, Dasharath Kandel, Hak Yong Kim, Mani Ram Kandel
Publikováno v:
Nanomaterials, Vol 13, Iss 18, p 2612 (2023)
Zinc–air batteries (ZABs) have garnered significant interest as a viable substitute for lithium-ion batteries (LIBs), primarily due to their impressive energy density and low cost. However, the efficacy of zinc–air batteries is heavily dependent
Externí odkaz:
https://doaj.org/article/a211b829a8874dfab8035921d1f51f0d
Autor:
Taewoo Kim, Subhangi Subedi, Bipeen Dahal, Kisan Chhetri, Tanka Mukhiya, Alagan Muthurasu, Jagadis Gautam, Prakash Chandra Lohani, Debendra Acharya, Ishwor Pathak, Su‐Hyeong Chae, Tae Hoon Ko, Hak Yong Kim
Publikováno v:
Advanced Science, Vol 9, Iss 20, Pp n/a-n/a (2022)
Abstract The hurdle of fabricating asymmetric supercapacitor (ASC) devices using a faradic cathode and a double layer anode is challenging due to the required large amount of active mass of anodic material compared to that of the cathodic material du
Externí odkaz:
https://doaj.org/article/35ced3a6c0a24d53b3a4d30172ef1d4e
Publikováno v:
PLoS ONE, Vol 17, Iss 10 (2022)
Nanofibrous morphology and the doping technique can overcome the problem of electron/hole fast recombination and improve the activity of titanium oxide-based photocatalysts. In this study, nanoparticulate and nanofibrous forms of CdTiO3-incorporated
Externí odkaz:
https://doaj.org/article/bf4e4a1a04cf465cad36f449fce12fba
Autor:
Nasser A. M. Barakat, Rasha H. Ali, Hak Yong Kim, Mamdouh M. Nassar, Olfat A. Fadali, Gehan M. K. Tolba, Hager M. Moustafa, Marwa A. Ali
Publikováno v:
Nanomaterials, Vol 12, Iss 22, p 3961 (2022)
Carbon nanofiber-decorated graphite rods are introduced as effective and low-cost anodes for industrial wastewater-driven microbial fuel cells. Carbon nanofiber deposition on the surface of the graphite rods could be performed by the electrospinning
Externí odkaz:
https://doaj.org/article/2b38b58551f24cc394834c2b8bf8b4ba
Autor:
Nasser A. M. Barakat, Mohamed Taha Amen, Rasha H. Ali, Mamdouh M. Nassar, Olfat A. Fadali, Marwa A. Ali, Hak Yong Kim
Publikováno v:
Polymers, Vol 14, Iss 8, p 1542 (2022)
Co-doped carbon nanofiber mats can be prepared by the addition of cobalt acetate to the polyacrylonitrile/DMF electrospun solution. Wastewater obtained from food industries was utilized as the anolyte as well as microorganisms as the source in single
Externí odkaz:
https://doaj.org/article/1ef98b4af1374ea7a9aba8aa5d966c56
Publikováno v:
Polymers, Vol 13, Iss 20, p 3591 (2021)
Nanofibers have potential applications as filters for particles with diameters 2O at an air flow rate of 80 L/min. The process control methods for the nanonet structures studied herein provide a new approach for developing functional materials for ai
Externí odkaz:
https://doaj.org/article/12c4585507f14977b803f65ce08d07b8
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract Although numerous reports have introduced non precious electrocatalysts for methanol oxidation, most of those studies did not consider the corresponding high onset potential which restricts utilization in real fuel cells. In this study, an
Externí odkaz:
https://doaj.org/article/be19e4b3d2004751ad438174065704c3