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Title: Biomass-derived high-performance tungsten-based electrocatalysts on graphene for hydrogen evolution

Journal Article · · Journal of Materials Chemistry. A
DOI:https://doi.org/10.1039/C5TA05589J· OSTI ID:1213387

We report a new class of highly active and stable tungsten-based catalysts to replace noble metal materials for the hydrogen evolution reaction (HER) in an acidic electrolyte. The catalyst is produced by heating an earth-abundant and low-cost mixture of ammonium tungstate, soybean powder and graphene nanoplatelets (WSoyGnP). The catalyst compound consists of tungsten carbide (W₂C and WC) and tungsten nitride (WN) nanoparticles decorated on graphene nanoplatelets. The catalyst demonstrates an overpotential (η₁₀, the potential at a current density of 10 mA cm⁻²) of 0.105 V, which is the smallest among tungsten-based HER catalysts in acidic media. The coupling with graphene significantly reduces the charge transfer resistance and increases the active surface area of the product, which are favorable for enhancing the HER activity. Therefore, the approach of employing biomass and other less expensive materials as precursors for the production of catalysts with high HER activity provides a new path for the design and development of efficient catalysts for the hydrogen production industry.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1213387
Report Number(s):
BNL-108269-2015-JA; JMCAET; R&D Project: CO026; KC0304030
Journal Information:
Journal of Materials Chemistry. A, Vol. 3, Issue 36; ISSN 2050-7488
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 40 works
Citation information provided by
Web of Science

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Cited By (9)

High-performance tungsten carbide electrocatalysts for the hydrogen evolution reaction journal January 2020
111 oriented gold nanoplatelets on multilayer graphene as visible light photocatalyst for overall water splitting journal June 2016
Effects of nitrogen-seeded deuterium plasma on tungsten surfaces journal February 2019
Metallic tungsten carbide nanoparticles as a near-infrared-driven photocatalyst journal January 2019
Recent advances in nanostructured metal nitrides for water splitting journal January 2018
Structural Design and Electronic Modulation of Transition-Metal-Carbide Electrocatalysts toward Efficient Hydrogen Evolution journal August 2018
Ultrasmall and phase-pure W2C nanoparticles for efficient electrocatalytic and photoelectrochemical hydrogen evolution journal October 2016
Graphene Nanoarchitectonics: Recent Advances in Graphene‐Based Electrocatalysts for Hydrogen Evolution Reaction journal September 2019
Nanostructured catalysts for electrochemical water splitting: current state and prospects journal January 2016