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Self-standing and efficient bifunctional electrocatalyst for overall water splitting under alkaline media enabled by Mo₁−ₓCoₓS₂ nanosheets anchored on carbon fiber paper

Version 2 2024-06-06, 08:46
Version 1 2019-05-03, 10:53
journal contribution
posted on 2024-06-06, 08:46 authored by J Wang, Y He, Q Yang, H Li, Z Xie, Y Fan, J Chen
Hydrogen Energy Publications LLC The layered MoS2 nanostructures have been widely used in the electrochemical hydrogen evolution reaction (HER), but rarely applied in overall water splitting application for their ignorable oxygen evolution reaction (OER)activity. To address this issue, a novel self-standing and bifunctional electrocatalyst, consisting of Co-doped MoS2 nanosheets anchored on carbon fiber paper, has been prepared via hydrothermal method. Taking advantage of conductive substrate of carbon fiber paper, sufficient-exposed active edges of MoS2 sheets, and metallic character caused by Co-doping, our electrode exhibits high-efficient bifunctional activities for the overall water splitting in alkaline electrolyte (1 M KOH), which can produce a current density of 20 mA cm−2 at an overpotential of 197 mV for HER and 235 mV for OER.

History

Journal

International journal of hydrogen energy

Volume

44

Pagination

13205-13213

Location

Amsterdam, The Netherlands

ISSN

0360-3199

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Issue

26

Publisher

Elsevier

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