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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 .


Boosting Hydrogen Evolution Reaction by Phase Engineering and Phosphorus Doping on Ru/P-TiO2

DC Field Value Language Zhou, Shizheng ko Jang, Haeseong ko Qin, Qing ko Hou, Liqiang ko Kim, Min Gyu ko Liu, Shangguo ko Liu, Xien ko Cho, Jaephil ko 2022-12-09T01:38:46Z - 2022-11-16 ko 2022-11 ko
dc.identifier.citation ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.61, no.47 ko
dc.identifier.issn 1433-7851 ko
dc.identifier.uri -
dc.description.abstract Synergistic optimization of the elementary steps of water dissociation and hydrogen desorption for the hydrogen evolution reaction (HER) in alkaline media is a challenge. Herein, the Ru cluster anchored on a trace P-doped defective TiO2 substrate (Ru/P-TiO2) was synthesized as an electrocatalyst for the HER; it exhibited a commercial Pt/C-like geometric activity and an excellent mass activity of 9984.3 mA mg(Ru)(-1) at -0.05 V vs. RHE, which is 34.3 and 18.7 times higher than that of Pt/C and Ru/TiO2, respectively. Experimental and theoretical studies indicated that using a rutile-TiO2-crystal-phase substrate enhanced the HER activity more than the anatase phase. Rich surface oxygen vacancies on rutile-TiO2 facilitated the adsorption and dissociation of water, while the partial substitution of Ti4+ with P5+ enhanced H-2 generation by facilitating hydrogen spillover from the Ru site to the surface P site, synergistically enhancing the HER activity. ko
dc.language 영어 ko
dc.publisher WILEY-V C H VERLAG GMBH ko
dc.title Boosting Hydrogen Evolution Reaction by Phase Engineering and Phosphorus Doping on Ru/P-TiO2 ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85140355077 ko
dc.identifier.wosid 000871723400001 ko
dc.type.rims ART ko
dc.identifier.doi 10.1002/anie.202212196 ko
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