Zobrazeno 1 - 10
of 261
pro vyhledávání: '"Dongmok Whang"'
Publikováno v:
Nanomaterials, Vol 14, Iss 1, p 18 (2023)
The high capacity of electrodes allows for a lower mass of electrodes, which is essential for increasing the energy density of the batteries. According to this, silicon is a promising anode candidate for Li-ion batteries due to its high theoretical c
Externí odkaz:
https://doaj.org/article/2a561895b08f4810851af15aa4403ff0
Publikováno v:
Nanomaterials, Vol 13, Iss 23, p 3007 (2023)
Li metal is a promising anode candidate due to its high theoretical capacity and low electrochemical potential. However, dendrite formation and the resulting dead Li cause continuous Li consumption, which hinders its practical application. In this st
Externí odkaz:
https://doaj.org/article/a31a1afb259c42419a845bc17dbb0c14
Publikováno v:
Nanomaterials, Vol 13, Iss 10, p 1700 (2023)
A two-dimensional (2D) atomic crystalline transition metal dichalcogenides has shown immense features, aiming for future nanoelectronic devices comparable to conventional silicon (Si). 2D molybdenum ditelluride (MoTe2) has a small bandgap, appears cl
Externí odkaz:
https://doaj.org/article/61e4333042244ebd858b7294f5c3819b
Autor:
Chang Won Park, Jung-Hun Lee, Jae Kwon Seo, Won Young Jo, Dongmok Whang, Soo Min Hwang, Young-Jun Kim
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)
Li-ion battery electrodes contain inactive materials, such as conducting agents and polymeric binders, which limit the energy density. Here, the authors demonstrate highly dense Ni-rich cathodes with improved volumetric capacities by coating graphene
Externí odkaz:
https://doaj.org/article/c954f2d1946e485ab53d3339192353b5
Publikováno v:
Advanced Science, Vol 8, Iss 11, Pp n/a-n/a (2021)
Abstract Manipulation of Ohmic contacts in 2D transition metal dichalcogenides for enhancing the transport properties and enabling its application as a practical device has been a long‐sought goal. In this study, n‐type tungsten disulfide (WS2) s
Externí odkaz:
https://doaj.org/article/746e03d90b394ae4b5193dbf35d18c88
Publikováno v:
Materials, Vol 14, Iss 23, p 7373 (2021)
Due to the vulnerability of organic optoelectronic devices to moisture and oxygen, thin-film moisture barriers have played a critical role in improving the lifetime of the devices. Here, we propose a hexagonal boron nitride (hBN) embedded Al2O3 thin
Externí odkaz:
https://doaj.org/article/171c987993f94f8abb28ccde0f461494
Autor:
Won Jun Chang, Su Han Kim, Jiseon Hwang, Jinho Chang, Dong won Yang, Sun Sang Kwon, Jin Tae Kim, Won Woo Lee, Jae Hyung Lee, Hyunjung Park, Taeseup Song, In-Hwan Lee, Dongmok Whang, Won Il Park
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-8 (2018)
Lithium-based rechargeable batteries suffer from unstable evolution of solid-electrolyte interphase on the electrode surface. Here, the authors provide an approach to inhibiting SEI formation by controlling electric potential distribution across elec
Externí odkaz:
https://doaj.org/article/26a8fc78f36642daacaf95a7e3945934
Publikováno v:
Sensors, Vol 21, Iss 21, p 7262 (2021)
We report a novel graphene transfer technique for fabricating graphene field-effect transistors (FETs) that avoids detrimental organic contamination on a graphene surface. Instead of using an organic supporting film like poly(methyl methacrylate) (PM
Externí odkaz:
https://doaj.org/article/9a26b7fbeecb49fc8444a6a06de6dd43
Autor:
Chang Won Park, Jung-Hun Lee, Jae Kwon Seo, Weerawat To A Ran, Dongmok Whang, Soo Min Hwang, Young-Jun Kim
Publikováno v:
Materials, Vol 14, Iss 9, p 2271 (2021)
Li-ion batteries (LIBs) employ porous, composite-type electrodes, where few weight percentages of carbonaceous conducting agents and polymeric binders are required to bestow electrodes with electrical conductivity and mechanical robustness. However,
Externí odkaz:
https://doaj.org/article/ab1ccbbd38324253b65bdb982036823f
Publikováno v:
Materials, Vol 13, Iss 9, p 2166 (2020)
Flexible transparent conducting electrodes (FTCE) are an essential component of next-generation flexible optoelectronic devices. Graphene is expected to be a promising material for the FTCE, because of its high transparency, large charge carrier mobi
Externí odkaz:
https://doaj.org/article/5c8a86e10c3b474fab9139d2ce42735d