Making Ag Present Pt-like Activity for Hydrogen Evolution Reaction
Abstract
Silver (Ag) has a high electrical and thermal conductivity, low cost, and is relatively abundant in the earth compared to other Pt-group metals. Unlike Pt-related noble metals, the poor hydrogen evolution reaction (HER) activity of Ag in acidic environments makes it rarely considered as a potential HER electrocatalyst. We demonstrate a spongy-like highly nanoporous Ag foam obtained using a simple Ag surface treatment through the repetitively electrochemical anodic formation of AgBr/cathodic reduction back to Ag exhibited Pt-like high HER activities. The spongy-like nanoporous Ag foam effectively increases the number of surface active sites and lowers the Gibbs free energy of adsorbed atomic hydrogen (H ad ) on catalysts (Δ G M-H ) from multiple Ag grains constructing nanoarchitecture branches.
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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 [22]
Cites
Highly Active Electrocatalysis of the Hydrogen Evolution Reaction by Cobalt Phosphide Nanoparticles
Popczun, E. J., Read, C. G., Roske, C. W., Lewis, N. S., & Schaak, R. E. (2014) · Angewandte Chemie International Edition · doi:10.1002/anie.201402646 · Cited by 1,240 · see citing works
Zhang, Y., Zuo, L., Huang, Y., Zhang, L., Lai, F., Fan, W., & Liu, T. (2015) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.5b00700 · Cited by 116 · see citing works
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An energy-saving support made of silver nanowire aerogel for hydrogen evolution reaction
Zuo, C., Zhou, F., Zhang, G., Zhong, L., Ling, J., Yang, J., Qiu, Y., & Tao, G. (2023) · Cell Reports Physical Science · doi:10.1016/j.xcrp.2023.101377 · Cited by 4 · see citing works
- Authors
- Huang, J.-F., & Wu, Y.-C.
- Affiliations
- National Chung Hsing University (TW)
- Corresponding author
- Huang, Jing-Fang
- ORCID
- Huang, Jing-Fang
- Venue
- ACS Sustainable Chemistry & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-05-18
- Volume
- 6
- Issue
- 7
- Pages
- 8285-8290
- ISSN
- 2168-0485 (ISSN-L)
- OpenAlex
- W2803507396
- Cited by
- 39
- References
- 2
- Citations by year
- 2026: 1 · 2025: 5 · 2024: 6 · 2023: 6 · 2022: 6 · 2021: 9 · 2020: 3 · 2019: 2 · 2018: 1
- FWCI
- 0.87
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ACS Sustainable Chemistry & Engineering (publishedVersion)
- Funders
- Ministry of Science and Technology, Taiwan
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
- Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
- Keywords
- hydrogen evolution reaction, silver electrocatalyst, adsorption free energy, acidic HER
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