Cited by 543Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsHydrogen Storage and Materials

Highly porous non-precious bimetallic electrocatalysts for efficient hydrogen evolution

Open access
Lu, Qi, Hutchings, Gregory S., Yu, Weiting, Zhou, Yang, Forest, Robert V., Tao, Runzhe, Rosen, Jonathan, Yonemoto, Bryan T. +5 more·2015·Nature Communications

Abstract

A robust and efficient non-precious metal catalyst for hydrogen evolution reaction is one of the key components for carbon dioxide-free hydrogen production. Here we report that a hierarchical nanoporous copper-titanium bimetallic electrocatalyst is able to produce hydrogen from water under a mild overpotential at more than twice the rate of state-of-the-art carbon-supported platinum catalyst. Although both copper and titanium are known to be poor hydrogen evolution catalysts, the combination of these two elements creates unique copper-copper-titanium hollow sites, which have a hydrogen-binding energy very similar to that of platinum, resulting in an exceptional hydrogen evolution activity. In addition, the hierarchical porosity of the nanoporous copper-titanium catalyst also contributes to its high hydrogen evolution activity, because it provides a large-surface area for electrocatalytic hydrogen evolution, and improves the mass transport properties. Moreover, the catalyst is self-supported, eliminating the overpotential associated with the catalyst/support interface.

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Crossref · 10.1038/ncomms7567

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  • The nanosized NBBs of platinum aerogel give high surface areas, while the micrometer-sized pores serve as diffusion channels that enhance mass transportation for both gas and water.

    “Meanwhile, the nanosized NBBs of platinum aerogel are responsible for high surface areas, whereas the micrometer-sized pores served as diffusion channels to enhance the mass transportation for both gas and water.58”

    From A Versatile Strategy for Tailoring Noble Metal Supramolecular Gels/Aerogels and Their Application in Hydrogen Evolution (2019) · cites this paper as [58]

    The Results section (‘Design of nanostructured Cu-Ti bimetallic catalyst’) assigns high surface area to nanosized pores and improved gas transport to micrometre-sized pores. Those roles resemble the claim, but the paper describes a copper–titanium catalyst, not platinum aerogel or nanosized NBBs, and does not say the pores enhance water transport. (LLM, conf=0.86)

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Authors
Lu, Q., Hutchings, G. S., Yu, W., Zhou, Y., Forest, R. V., Tao, R., Rosen, J., Yonemoto, B. T., Cao, Z., Zheng, H., Xiao, J. Q., Jiao, F., & Chen, J. G.
Affiliations
  • Columbia University (US)
  • University of Delaware (US)
  • Lawrence Berkeley National Laboratory (US)
Corresponding author
  • Jiao, Feng
  • Chen, Jingguang G.
Venue
Nature Communications
Published
2015-03-16
Volume
6
Issue
1
Pages
6567-6567
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2002028277
Cited by
543
References
7
Citations by year
2026: 20 · 2025: 37 · 2024: 38 · 2023: 44 · 2022: 52 · 2021: 49 · 2020: 58 · 2019: 60 · 2018: 70 · 2017: 63 · 2016: 36 · 2015: 16
FWCI
18.26
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Science Foundation (1350911, CAREER)
  • U.S. Department of Energy (DE‐FG02‐, DESC0009476, DE‐FG02‐13ER16381)
  • National Aeronautics and Space Administration (NNX11AQ29A)
  • University of Delaware Research Foundation
  • University of Delaware
  • Office of Science (DE-FG02-13ER16381)
  • Division of Chemical, Bioengineering, Environmental, and Transport Systems (CBET-1350911)
  • Lawrence Berkeley National Laboratory
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
Keywords
hydrogen evolution reaction, non-precious metal electrocatalysts, nanoporous catalysts, hierarchical porosity, hydrogen binding energy, self-supported catalysts, mass transfer, water splitting

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