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Highly Active, Durable Ultrathin MoTe 2 Layers for the Electroreduction of CO 2 to CH 4
Author(s) -
Liu Xijun,
Yang Hui,
He Jia,
Liu Haoxuan,
Song Lida,
Li Lan,
Luo Jun
Publication year - 2018
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201704049
Subject(s) - faraday efficiency , ionic liquid , electrolyte , methane , catalysis , materials science , transition metal , electrocatalyst , chemical engineering , ionic bonding , nanotechnology , inorganic chemistry , electrochemistry , electrode , chemistry , ion , organic chemistry , engineering
The electroreduction of CO 2 to CH 4 is a highly desirable, challenging research topic. In this study, an electrocatalytic system comprising ultrathin MoTe 2 layers and an ionic liquid electrolyte for the reduction of CO 2 to methane is reported, efficiently affording methane with a faradaic efficiency of 83 ± 3% (similar to the best Cu‐based catalysts reported thus far) and a durable activity of greater than 45 h at a relatively high current density of 25.6 mA cm −2 (−1.0 V RHE ). The results obtained can facilitate research on the design of other transition‐metal dichalcogenide electrocatalysts for the reduction of CO 2 to valuable fuels.
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