Zobrazeno 1 - 10
of 11
pro vyhledávání: '"JeongHan Roh"'
Autor:
DongHoon Song, Jeonghan Roh, Jungwoo Choi, Hyein Lee, Gyungmo Koh, YongKeun Kwon, HyoWon Kim, Hyuck Mo Lee, MinJoong Kim, EunAe Cho
Publikováno v:
Advanced Science, Vol 11, Iss 39, Pp n/a-n/a (2024)
Abstract Herein, a heterogeneous structure of Ni–Mo catalyst comprising Ni4Mo nanoalloys decorated on a MoOx matrix via electrodeposition is introduced. This catalyst exhibits remarkable hydrogen evolution reaction (HER) activity across a range of
Externí odkaz:
https://doaj.org/article/f3ad8b5d9b404df794e67577226797e5
Publikováno v:
Chemistry of Materials. 33:8895-8903
PtNi octahedral nanoparticles are considered as one of the best-performing catalysts for the oxygen reduction reaction (ORR). However, Ni dissolution deteriorates their catalytic activity and stabi...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4558263a1320b0ee68d3c37fcfe08b61
https://doi.org/10.1021/acs.chemmater.1c03196
https://doi.org/10.1021/acs.chemmater.1c03196
Publikováno v:
ACS Catalysis. 11:466-475
Exploring highly efficient platinum single-atom (Pt1) catalysts for oxygen reduction reaction (ORR) is desired to greatly reduce the catalysts costs of polymer electrolyte membrane (PEM) fuel cells...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32b603daf6b3460da6a8db680d07973a
https://doi.org/10.1021/acscatal.0c03330
https://doi.org/10.1021/acscatal.0c03330
Autor:
Junu Bak, MinJoong Kim, JeongHan Roh, Haesol Kim, Chang Hyuck Choi, Eom-Ji Kim, SangJae Lee, Jaewook Shin, EunAe Cho
Publikováno v:
ACS Catalysis. 10:12300-12309
Corrosion of carbon support is one of the most crucial causes of the degradation of polymer electrolyte membrane fuel cells (PEMFCs) utilizing carbon-supported platinum nanoparticles (Pt/C) as a ca...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee6886e556c86e04afd2cf303d90e59c
https://doi.org/10.1021/acscatal.0c02845
https://doi.org/10.1021/acscatal.0c02845
Autor:
JeongHan Roh, Ara Cho, Sungjun Kim, Kug-Seung Lee, Jaewook Shin, Junu Bak, SangJae Lee, DongHoon Song, Eom-Ji Kim, Yong-Hun Cho, Jeong Woo Han, EunAe Cho
Publikováno v:
ECS Meeting Abstracts. :1525-1525
Iron- and nitrogen-doped carbon (Fe-N-C) materials have been suggested as the most promising replacement for Pt-based catalysts in oxygen reduction reaction (ORR) owing to the FeN4 active moiety. Based on the relationship between the oxygen binding e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03a9ad97d479b19ec1db681662179a13
https://doi.org/10.1149/ma2022-01351525mtgabs
https://doi.org/10.1149/ma2022-01351525mtgabs
Publikováno v:
ECS Meeting Abstracts. :1496-1496
Commercialization of polymer electrolyte membrane fuel cells (PEMFCs) requires a dramatic reduction in the price of catalysts, which account for a significant portion of the total cost. Therefore, since most catalysts in PEMFCs are present in the cat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d9ccf4fce36ba7f34f9a5b4395730e6
https://doi.org/10.1149/ma2022-01351496mtgabs
https://doi.org/10.1149/ma2022-01351496mtgabs
Autor:
Junu Bak, Haesol Kim, SangJae Lee, Minjoong Kim, Eom Ji Kim, JeongHan Roh, Jaewook Shin, Chang Hyuck Choi, EunAe Cho
Publikováno v:
ECS Meeting Abstracts. :1845-1845
The degradation of PEMFC is a very complex phenomenon and is affected by various factors. Among the components of PEMFC, an electrode composed of a carbon-supported platinum nanoparticle catalyst (Pt/C) plays an important role in determining the dura
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0da32cbf8021026d93493547bcf4dda5
https://doi.org/10.1149/ma2021-01461845mtgabs
https://doi.org/10.1149/ma2021-01461845mtgabs
Autor:
Hyo Won Kim, Ki-Hyun Kim, Junu Bak, Jaewook Shin, JeongHan Roh, DongHoon Song, Yongju Lee, Eom-Ji Kim, SangJae Lee, Kug-Seung Lee, EunAe Cho
Publikováno v:
Applied Catalysis B: Environmental. 280:119433
To accomplish the goals of cost reduction and durability improvement of polymer electrolyte water electrolysis (PEMWE), we report a titanium oxide and molybdenum oxide composite (TiO2-MoOx) as a support for the iridium (Ir) nanoparticle catalyst (Ir/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b516191e797987055a0a63f45cf03c89
https://doi.org/10.1016/j.apcatb.2020.119433
https://doi.org/10.1016/j.apcatb.2020.119433
Publikováno v:
ECS Meeting Abstracts. :614-614
High cost of the platinum-based catalysts for the sluggish oxygen reduction reaction (ORR) in polymer electrolyte membrane fuel cell (PEMFC) is delaying wide-spread commercialization of fuel cell electric vehicles (FCEVs). It is crucial to develop hi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51a5770ad961f37ceb96629ef28b7a70
https://doi.org/10.1149/ma2020-015614mtgabs
https://doi.org/10.1149/ma2020-015614mtgabs
Publikováno v:
ECS Meeting Abstracts. :1688-1688
Platinum (Pt) has been preferred as the most viable catalytic material to accelerate the sluggish oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs)1,2. However, the scarcity of Pt on earth makes it expensive, resulting i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f2cf77be2112faf661487f080e0d00b
https://doi.org/10.1149/ma2020-01381688mtgabs
https://doi.org/10.1149/ma2020-01381688mtgabs