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Cited by 266Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsFuel Cells and Related Materials

High-throughput production of cheap mineral-based two-dimensional electrocatalysts for high-current-density hydrogen evolution

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Zhang, Chi, Luo, Yuting, Tan, Junyang, Yu, Qiangmin, Yang, Fengning, Zhang, Zhiyuan, Yang, Liusi, Cheng, Hui-Ming +1 more·2020·Nature Communications
DOI 10.1038/s41467-020-17121-8PMC PMC7381654
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Abstract

The high-throughput scalable production of cheap, efficient and durable electrocatalysts that work well at high current densities demanded by industry is a great challenge for the large-scale implementation of electrochemical technologies. Here we report the production of a two-dimensional molybdenum disulfide-based ink-type electrocatalyst by a scalable exfoliation technique followed by a thermal treatment. The catalyst delivers a high current density of 1000 mA cm −2 at an overpotential of 412 mV for the hydrogen evolution. Using the same method, we produce a cheap mineral-based catalyst possessing excellent performance for high-current-density hydrogen evolution. Noteworthy, production rate of this catalyst is one to two orders of magnitude higher than those previously reported, and price of the mineral is five orders of magnitude lower than commercial Pt electrocatalysts. These advantages indicate the huge potentials of this method and of mineral-based cheap and abundant natural resources as catalysts in the electrochemical industry.

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  • Operation of catalysts at high current densities requires high intrinsic activity, abundant active sites, fast mass transport for liquid electrolyte and gas bubbles, and good thermal, electrochemical and mechanical stabilities.

    “The operation of catalysts under such high current densities is challenging as it requires not only the high intrinsic activity of catalysts, but also abundant active sites, fast mass transport for both liquid electrolyte and vigorously evolved gas bubbles, as well as good thermal, electrochemical and mechanical stabilities.[10]”

    From Design of Aligned Porous Carbon Films with Single‐Atom Co–N–C Sites for High‐Current‐Density Hydrogen Generation (2021) · cites this paper as [10]

    The Introduction says industrial current densities require abundant active sites and good electrochemical, thermal, and mechanical stabilities. The Results section on high-current-density HER performance discusses intrinsic activity and shows that rapid hydrogen-bubble removal aids mass transfer. Our copy does not establish fast transport of the liquid electrolyte as a separate requirement. (LLM, conf=0.87)

    Experimental — accuracy not yet measured

  • Nickel foam (NF), silver foam (AF), and copper foam (CuF) on the micrometer scale have relatively high electrical conductivity but poor specific surface area.

    “For instance, nickel foam (NF), silver foam (AF), and copper foam (CuF), which are normally on the micrometer scale, have relatively high electrical conductivity but poor specific surface area.20–22”

    From An energy-saving support made of silver nanowire aerogel for hydrogen evolution reaction (2023) · cites this paper as [21]

    The Methods describe Cu foam as a conductive support, supporting that part of the claim. But the paper does not establish the conductivity or micrometer-scale structure of nickel, silver, and copper foams as a group. It also does not say they have poor specific surface area; the Methods and HER Results instead describe the Cu foam used for a comparison as high-surface-area (page unavailable). (LLM, conf=0.82)

    Experimental — accuracy not yet measured

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Cites

Flagged first, then by citations

Research works printed but not linked: 27

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Cited by

Sorted by citations

Authors
Zhang, C., Luo, Y., Tan, J., Yu, Q., Yang, F., Zhang, Z., Yang, L., Cheng, H.-M., & Liu, B.
Affiliations
  • Tsinghua–Berkeley Shenzhen Institute (CN)
  • Chinese Academy of Sciences (CN)
Corresponding author
Liu, Bilu
ORCID
Venue
Nature Communications
Publisher
Springer Science and Business Media LLC
Published
2020-07-24
Volume
11
Issue
1
Pages
3724-3724
ISSN
2041-1723 (ISSN-L)
DOI
10.1038/s41467-020-17121-8
PMC
PMC7381654
OpenAlex
W3045148460
Cited by
266
References
4
Citations by year
2026: 16 · 2025: 44 · 2024: 59 · 2023: 58 · 2022: 57 · 2021: 29 · 2020: 3
FWCI
7.27
Type
journal article
Language
en
Open access
Licence
Locations
  • Nature Communications (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • arXiv (Cornell University)
Funders
  • Guangdong Innovative and Entrepreneurial Research Team Program (2017ZT07C341)
  • National Natural Science Foundation of China (51722206; 51920105002)
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 › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
Keywords
MoS2, hydrogen evolution reaction, high current density, exfoliation, heat treatment, platinum-free electrocatalysts, electrochemical water splitting

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