Zobrazeno 1 - 10
of 139
pro vyhledávání: '"Jeeyoung Shin"'
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-8 (2022)
Abstract Supercapacitors are promising energy storage devices with high charging/discharging speeds and power densities. To improve their poor stability, we fabricated electrodes by integrating perovskite materials (La0.8Sr0.2Mn0.5Co0.5O3-δ, LSMCO)
Externí odkaz:
https://doaj.org/article/41dd8f099cce4058973d9c7bf5961f70
Publikováno v:
Energies, Vol 16, Iss 13, p 4979 (2023)
Energy conversion and storage systems have recently attracted significant attention owing to increasing environmental and energy problems. However, the slow kinetics of the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) rende
Externí odkaz:
https://doaj.org/article/e49ca9fefc924e7da07544f7041fc753
Autor:
Dohyung Ha, Seoyeon Kim, Yong Hyeon Baek, Jiyoon Won, Seri Nam, Jeeyoung Shin, Oh-Hoon Kwon, Soo-Yeon Kim, Hyangsook Lee
Publikováno v:
Journal of Acupuncture Research, Vol 37, Iss 1, Pp 13-18 (2020)
This review examined recently published (July 2014 to June 2017), randomized controlled trials (RCTs) which investigated the safety and effectiveness of combined Korean medicine/complementary alternative medicine (CAM) and Western medicine, to indica
Externí odkaz:
https://doaj.org/article/66f4cc31626a44e9b0634983861d78c7
Autor:
Inseon Song, Yujeong Kim, Byung Hoon Lee, Minji Chae, Sooyeon Kim, ChangKyu Yoon, Min-Kyu Joo, Jeeyoung Shin, Soo Min Kim, Changhyun Ko
Publikováno v:
Nanomaterials, Vol 12, Iss 20, p 3549 (2022)
While graphene shows great potential for diverse device applications, to broaden the scope of graphene-based device applications further, it would be necessary to tune the electronic state of graphene and its resultant electrical properties properly.
Externí odkaz:
https://doaj.org/article/a4e6f9b74296471bbbc45af9a8035341
Autor:
Sangwook Joo, Ohhun Kwon, Kyeounghak Kim, Seona Kim, Hyunmin Kim, Jeeyoung Shin, Hu Young Jeong, Sivaprakash Sengodan, Jeong Woo Han, Guntae Kim
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-9 (2019)
Exsolution is attractive for the preparation of catalytically active metal nanoparticles, but versatility is limited. Here the authors report a technique for selective exsolution through topotactic ion exchange, leading to an electrocatalyst for a so
Externí odkaz:
https://doaj.org/article/bb467c533fea4eadbfdc88e22d16271e
Publikováno v:
Energies, Vol 14, Iss 22, p 7621 (2021)
Concerns associated with global warming and the depleting reserves of fossil fuels have highlighted the importance of high−performance energy storage systems (ESSs) for efficient energy usage. ESSs such as supercapacitors can contribute to improved
Externí odkaz:
https://doaj.org/article/039f166ccd9e4696a1a9b3b12f62ee24
Publikováno v:
Nanomaterials, Vol 11, Iss 10, p 2689 (2021)
One of the critical issues hindering the commercialization of lithium–sulfur (Li–S) batteries is the dissolution and migration of soluble polysulfides in electrolyte, which is called the ‘shuttle effect’. To address this issue, previous studi
Externí odkaz:
https://doaj.org/article/db901fda66fd4b02a1033beae4bb0ec6
Autor:
Ohhun Kwon, Sivaprakash Sengodan, Kyeounghak Kim, Gihyeon Kim, Hu Young Jeong, Jeeyoung Shin, Young-Wan Ju, Jeong Woo Han, Guntae Kim
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-7 (2017)
Exsolution of transition metals from perovskites provides an effective route to useful catalysts, but the underlying factors governing exsolution remain poorly understood. Here, the authors find trends in exsolution in layered perovskites, showing th
Externí odkaz:
https://doaj.org/article/2b5f3708966846faa5e71fea5c7d4376
Publikováno v:
Energies, Vol 13, Iss 12, p 3030 (2020)
A supercapacitor is a potential energy system that will be a part of an efficient storage device of renewable energy, such as a small battery and a large energy storage system (ESS), etc. However, a lot of efforts have been devoted to improving stabi
Externí odkaz:
https://doaj.org/article/4f8fce9b645841dba4a8c45c6a2629b7
Autor:
Donghwi Jeong, Junyoung Kim, Ohhun Kwon, Chaehyun Lim, Sivaprakash Sengodan, Jeeyoung Shin, Guntae Kim
Publikováno v:
Applied Sciences, Vol 8, Iss 11, p 2217 (2018)
Layered perovskite oxides are considered as promising cathode materials for the solid oxide fuel cell (SOFC) due to their high electronic/ionic conductivity and fast oxygen kinetics at low temperature. Many researchers have focused on further improvi
Externí odkaz:
https://doaj.org/article/122a1db8ec1a4cebae0a4c6d268207ec