DOI: 10.1002/anie.201402646. Highly Active Electrocatalysis of the Hydrogen Evolution Reaction by Cobalt Phosphide Nanoparticles

Highly Active Electrocatalysis of the Hydrogen Evolution Reaction by Cobalt Phosphide Nanoparticles

10.1002/anie.201402646

Crossref journal-article

Wiley

Angewandte Chemie International Edition (311)

Abstract

AbstractNanoparticles of cobalt phosphide, CoP, have been prepared and evaluated as electrocatalysts for the hydrogen evolution reaction (HER) under strongly acidic conditions (0.50 M H2SO4, pH 0.3). Uniform, multi‐faceted CoP nanoparticles were synthesized by reacting Co nanoparticles with trioctylphosphine. Electrodes comprised of CoP nanoparticles on a Ti support (2 mg cm−2 mass loading) produced a cathodic current density of 20 mA cm−2 at an overpotential of −85 mV. The CoP/Ti electrodes were stable over 24 h of sustained hydrogen production in 0.50 M H2SO4. The activity was essentially unchanged after 400 cyclic voltammetric sweeps, suggesting long‐term viability under operating conditions. CoP is therefore amongst the most active, acid‐stable, earth‐abundant HER electrocatalysts reported to date.

Bibliography

Popczun, E. J., Read, C. G., Roske, C. W., Lewis, N. S., & Schaak, R. E. (2014). Highly Active Electrocatalysis of the Hydrogen Evolution Reaction by Cobalt Phosphide Nanoparticles. Angewandte Chemie International Edition, 53(21), 5427â5430. Portico.

Authors 5

Eric J. Popczun (first)
Carlos G. Read (additional)
Christopher W. Roske (additional)
Nathan S. Lewis (additional)
Raymond E. Schaak (additional)

References 32 Referenced 1,085

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Dates

Type	When
Created	11 years, 4 months ago (April 11, 2014, 4:42 p.m.)
Deposited	1 year, 10 months ago (Oct. 16, 2023, 12:01 p.m.)
Indexed	1 week, 6 days ago (Aug. 12, 2025, 6:06 p.m.)
Issued	11 years, 4 months ago (April 11, 2014)
Published	11 years, 4 months ago (April 11, 2014)
Published Online	11 years, 4 months ago (April 11, 2014)
Published Print	11 years, 3 months ago (May 19, 2014)

Funders 0

None

BibTeX

@article{Popczun_2014, title={Highly Active Electrocatalysis of the Hydrogen Evolution Reaction by Cobalt Phosphide Nanoparticles}, volume={53}, ISSN={1521-3773}, url={http://dx.doi.org/10.1002/anie.201402646}, DOI={10.1002/anie.201402646}, number={21}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Popczun, Eric J. and Read, Carlos G. and Roske, Christopher W. and Lewis, Nathan S. and Schaak, Raymond E.}, year={2014}, month=apr, pages={5427–5430} }

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