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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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Oxygen-deficient SnO2 nanoparticles with ultrathin carbon shell for efficient electrocatalytic N2 reduction

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dc.contributor.author Li, Guangkai ko
dc.contributor.author Jang, Haeseong ko
dc.contributor.author Li, Zijian ko
dc.contributor.author Wang, Jia ko
dc.contributor.author Ji, Xuqiang ko
dc.contributor.author Kim, Min Gyu ko
dc.contributor.author Liu, Xien ko
dc.contributor.author Cho, Jaephil ko
dc.date.available 2022-06-17T01:23:31Z -
dc.date.created 2022-06-10 ko
dc.date.issued 2022-08 ko
dc.identifier.citation GREEN ENERGY & ENVIRONMENT, v.7, no.4, pp.672 - 679 ko
dc.identifier.issn 2096-2797 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/58663 -
dc.description.abstract For high-efficiency NH3 synthesis via ambient-condition electrohydrogenation of inert N2, it is pivotal to ingeniously design an active electrocatalyst with multiple features of abundant surfacial deficiency, good conductivity and large surface area. Here, oxygen-deficient SnO2 nanoparticles encapsulated by ultrathin carbon layer (d-SnO2@C) are developed by hydrothermal deposition coupled with annealing process, as promising catalysts for ambient electrocatalytic N2 reduction. d-SnO2@C exhibits high activity and excellent selectivity for electrocatalytic conversion of N2 to NH3 in acidic electrolytes, with Faradic efficiency as high as 12.7% at −0.15 V versus the reversible hydrogen electrode (RHE) and large NH3 yield rate of 16.68 μg h−1 mgcat−1 at −0.25 V vs. RHE in 0.1 mol L−1 HCl. Benefiting from the structural superiority of enhanced charge transfer efficiency and optimized surface states, d-SnO2@C also achieves excellent long-term stability. ko
dc.language 영어 ko
dc.publisher Elsevier ko
dc.title Oxygen-deficient SnO2 nanoparticles with ultrathin carbon shell for efficient electrocatalytic N2 reduction ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85103252851 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.gee.2020.11.004 ko
dc.identifier.url https://www.sciencedirect.com/science/article/pii/S2468025720301977 ko
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