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Kim, Guntae
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Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, PEMFC, metal-air batteries, Metal-CO2 system, Catalyst for DRM

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Ni-Fe Bimetallic Nanocatalysts Produced by Topotactic Exsolution in Fe deposited PrBaMn1.7Ni0.3O5+delta for Dry Reforming of Methane

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dc.contributor.author Joo, Sangwook ko
dc.contributor.author Kwon, Ohhun ko
dc.contributor.author Kim, Seona ko
dc.contributor.author Jeong, Hu Young ko
dc.contributor.author Kim, Guntae ko
dc.date.available 2020-05-08T01:36:27Z -
dc.date.created 2020-04-24 ko
dc.date.issued 2020-04 ko
dc.identifier.citation JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.167, no.6, pp.064518 ko
dc.identifier.issn 0013-4651 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/32049 -
dc.description.abstract In the beneficial dry reforming of methane (DRM) process utilizing two major greenhouse gases (CH4 and CO2), Ni-based supported catalysts have been widely used. However, the instability of catalysts from coke formation or sintering remains challenging. Here we present topotactic exsolution which can be a valid way to overcome both problems by producing more "embedded" particles of the selective alloy. Indeed, the introduction of Fe guest ions to PrBaMn1.7Ni0.3O5+delta (PBMNi) perovskite host results in a more number of Ni-Fe alloy nanoparticles through topotactic exsolution. Furthermore, the finely dispersed Ni-Fe alloy metal particles lead to their improved catalytic activity with stable performance compared to pristine PBMNi without alloy catalysts. These findings demonstrate that topotactic exsolution is an effective means of catalytic synthesis in gas phase reactions by producing bimetallic nanoparticles. (C) 2020 The Electrochemical Society ("ECS"). Published on behalf of ECS by IOP Publishing Limited. ko
dc.language 영어 ko
dc.publisher ELECTROCHEMICAL SOC INC ko
dc.title Ni-Fe Bimetallic Nanocatalysts Produced by Topotactic Exsolution in Fe deposited PrBaMn1.7Ni0.3O5+delta for Dry Reforming of Methane ko
dc.type ARTICLE ko
dc.identifier.wosid 000525459500001 ko
dc.type.rims ART ko
dc.identifier.doi 10.1149/1945-7111/ab8390 ko
dc.identifier.url https://iopscience.iop.org/article/10.1149/1945-7111/ab8390 ko
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