Facile Synthesis of MoS 2 @CNT as an Effective Catalyst for Hydrogen Production in Microbial Electrolysis Cells
Open accessAbstract
Microbial electrolysis cells (MECs) can produce hydrogen gas from organic compounds in an energy‐efficient way by taking advantage of the potential generated by microorganisms. However, hydrogen evolution reaction (HER) in MECs is slow and thus requires catalysts. A challenge for MEC development therefore lies in the development of cost‐effective HER catalysts. In this study, a nanocomposite with molybdenum disulfide (MoS 2 ) coated on highly conductive carbon nanotubes (CNTs) was synthesized as an alternative HER catalyst, and examined in an MEC for hydrogen production. Linear sweep voltammogram experiments demonstrated enhanced HER activity with increasing CNT content. The results suggest that conductivity may be the main limiting factor for overall HER catalysis by MoS 2 . MEC tests showed that MoS 2 /CNT‐90 achieved hydrogen production that was comparable to the Pt‐based catalyst. The low cost of the MoS 2 composites will make it competitive as an effective HER catalyst for future MEC applications.
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Carbon materials have shown great potential applications as electrocatalyst supports owing to their high conductivity and stability.
“Carbon materials, such as porous carbon, [ 158-161 ] carbon nanofi bers, [ 162 ] carbon nanotubes [ 163-167 ] and graphene, [ 42,43,168-175 ] have shown great potential applications as electrocatalyst supports owing to their high conductivity and stability.”
From 2D Transition‐Metal‐Dichalcogenide‐Nanosheet‐Based Composites for Photocatalytic and Electrocatalytic Hydrogen Evolution Reactions (2016) · cites this paper as [164]
The paper describes highly conductive carbon nanotubes as a support for a MoS₂ electrocatalyst and links increased CNT content to improved hydrogen-evolution activity (opening summary; Heyrovsky reaction section, page unavailable). It does not establish stability as a reason for using CNTs; its conclusion says catalyst durability remains to be investigated. This citation supports the nanotube and conductivity portion of the citing sentence, but not its stability rationale. (LLM, conf=0.87)
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Sorted by citations
Lu, Q., Yu, Y., Ma, Q., Chen, B., & Zhang, H. (2016) · Advanced Materials · doi:10.1002/adma.201503270 · Cited by 1,447 · see citing works
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- Authors
- Yuan, H., Li, J., Yuan, C., & He, Z.
- Affiliations
- Virginia Tech (US)
- University of Wisconsin–Milwaukee (US)
- Corresponding author
- Yuan, Chris
- He, Zhen
- Venue
- ChemElectroChem
- Publisher
- Wiley
- Published
- 2014-08-05
- Volume
- 1
- Issue
- 11
- Pages
- 1828-1833
- ISSN
- 2196-0216 (ISSN-L)
- OpenAlex
- W2079163027
- Cited by
- 131
- References
- 6
- Citations by year
- 2026: 8 · 2025: 5 · 2024: 7 · 2023: 4 · 2022: 9 · 2021: 18 · 2020: 15 · 2019: 13 · 2018: 9 · 2017: 14 · 2016: 13 · 2015: 16
- FWCI
- 4.73
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- ChemElectroChem (publishedVersion)
- Funders
- Virginia Polytechnic Institute and State University
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Environmental Science › Environmental Engineering › Microbial Fuel Cells and Bioremediation
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
- Keywords
- MoS2, carbon nanotubes, hydrogen evolution reaction, microbial electrolysis cells, hydrogen production, electrocatalysts, catalyst conductivity, low-cost catalysts, platinum-free catalysts
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