RuP2‐Based Catalysts with Platinum‐like Activity and Higher Durability for the Hydrogen Evolution Reaction at All pH Values
Abstract
Highly active, stable, and cheap Pt-free catalysts for the hydrogen evolution reaction (HER) are under increasing demand for future energy conversion systems. However, developing HER electrocatalysts with Pt-like activity that can function at all pH values still remains as a great challenge. Herein, based on our theoretical predictions, we design and synthesize a novel N,P dual-doped carbon-encapsulated ruthenium diphosphide (RuP 2 @NPC) nanoparticle electrocatalyst for HER. Electrochemical tests reveal that, compared with the Pt/C catalyst, RuP 2 @NPC not only has Pt-like HER activity with small overpotentials at 10 mA cm -2 (38 mV in 0.5 m H 2 SO 4 , 57 mV in 1.0 m PBS and 52 mV in 1.0 m KOH), but demonstrates superior stability at all pH values, as well as 100 % Faradaic yields. Therefore, this work adds to the growing family of transition-metal phosphides/heteroatom-doped carbon heterostructures with advanced performance in HER.
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Ru exhibits similar hydrogen bonding strength with Pt, giving excellent intrinsic activity for HER, and has relatively lower cost than Pt, making it a promising alternative to Pt for HER.
“Fortunately, ruthenium (Ru) exhibits a similar hydrogen bonding strength with Pt to give excellent intrinsic activity for the HER, and in addition possesses the advantage of a relatively lower cost compared to Pt, therefore becoming a promising alternative to Pt for HER.”
From Interfacial electron modulation for Ru particles on Cu aerogel as an efficient electrocatalyst for hydrogen evolution reaction (2024) · cites this paper as [9]
Normal Pt catalysts for HER degrade severely after only a few hours at large current density.
“normal Pt catalysts for HER degrade severely after only a few hours at large current density.”
From Silver Nanowire Aerogel Support Promotes Stable Hydrogen Evolution Reaction at High Current Density (2024) · cites this paper as [10]
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- Authors
- Pu, Z., Amiinu, I. S., Kou, Z., Li, W., & Mu, S.
- Affiliations
- Wuhan University of Technology (CN)
- Corresponding author
- Mu, Shichun
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2017-08-07
- Volume
- 56
- Issue
- 38
- Pages
- 11559-11564
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2734995978
- Cited by
- 671
- References
- 3
- Citations by year
- 2026: 12 · 2025: 41 · 2024: 54 · 2023: 52 · 2022: 105 · 2021: 90 · 2020: 118 · 2019: 121 · 2018: 73 · 2017: 4
- FWCI
- 23.15
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Angewandte Chemie International Edition (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (51372186, 51672204)
- 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
- hydrogen evolution reaction, platinum-free electrocatalysts, carbon-encapsulated nanoparticles, transition metal phosphides, heteroatom-doped carbon, electrocatalyst stability, wide pH range, Faradaic efficiency, overpotential
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