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Cho, Jaephil
Nano Energy Storage Materials Lab (NESM)
Research Interests
  • Li-ion battery, metal-air battery, redox-flow battery, flexible battery .

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P and Mo Dual Doped Ru Ultrasmall Nanoclusters Embedded in P-Doped Porous Carbon toward Efficient Hydrogen Evolution Reaction

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dc.contributor.author Li, Chuang ko
dc.contributor.author Jang, Haeseong ko
dc.contributor.author Liu, Shangguo ko
dc.contributor.author Kim, Min Gyu ko
dc.contributor.author Hou, Liqiang ko
dc.contributor.author Liu, Xien ko
dc.contributor.author Cho, Jaephil ko
dc.date.available 2022-05-16T02:36:58Z -
dc.date.created 2022-05-09 ko
dc.date.issued 2022-06 ko
dc.identifier.citation ADVANCED ENERGY MATERIALS, v.12, no.23, pp.2200029 ko
dc.identifier.issn 1614-6832 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/58439 -
dc.description.abstract Rational design of efficient hydrogen evolution reaction (HER) electrocatalysts for mass production of hydrogen via electrochemical water splitting is a challenging but pressing task. Herein, an in situ dual doping engineering from phosphomolybdic acid encapsulated within the bimetallic metal-organic-frameworks strategy to synthesize P,Mo dual doped Ru ultrasmall nanoparticles embedded in P-doped porous carbon (P,Mo-Ru@PC) for efficient HER is proposed. As a result, P,Mo-Ru@PC achieves a low overpotential of 21 at 10 mA cm(-2), low Tafel slopes of 21.7 mV dec(-1), and a mass activity about 22 times greater than that of commercial 20 wt% Pt/C in alkaline media. First principle calculations demonstrate that introducing Mo and P atoms into Ru lattices triggers the in situ electron donation from Ru to Mo and P and consequently reduces the energy barrier for the HER. ko
dc.language 영어 ko
dc.publisher WILEY-V C H VERLAG GMBH ko
dc.title P and Mo Dual Doped Ru Ultrasmall Nanoclusters Embedded in P-Doped Porous Carbon toward Efficient Hydrogen Evolution Reaction ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85128787762 ko
dc.identifier.wosid 000785691200001 ko
dc.type.rims ART ko
dc.identifier.doi 10.1002/aenm.202200029 ko
dc.identifier.url https://onlinelibrary.wiley.com/doi/10.1002/aenm.202200029 ko
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