Breakthrough in Clean Energy Research: New Catalyst Demonstrates Exceptional Durability and Activity
Research conducted at Jiangsu University has led to the development of a novel catalyst for hydrogen evolution reactions (HER) that exhibits exceptional durability and activity. The catalyst, Ru-NiAlEO-P/CFP, was designed by modifying a transition metal oxide (TMO) with aluminum (Al) and phosphorus (P), and was shown to outperform existing catalysts in terms of efficiency and longevity. This breakthrough has significant implications for the development of clean energy technologies and the mitigation of climate change.
Key Takeaways:
- The Ru-NiAlEO-P/CFP catalyst was prepared by etching NiAl-layered double hydroxide (LDH) grown on carbon fiber paper (CFP) and a gas phase phosphating process.
- The catalyst exhibited a competitive overpotential of 59.6 mV to drive a current density of 10 mA cm-2 and possessed a small Tafel slope of 64.66 mV dec-1 for HER in 1.0 M KOH.
- The P-O species from the oxidation state of P sites may effectively inhibit the deactivation of Ru, thus improving the durability of the catalyst.
- The research concluded that the Ru-NiAlEO-P/CFP catalyst demonstrated acceptable durability in the stability test of 20 h.
- The study suggests that modifying transition metal oxides (TMOs) with metal dopants like Al and P can enhance the activity and durability of Ru-based catalysts for HER.
- The research has been peer-reviewed and published in the journal Fuel.
Statistics:
- The Ru-NiAlEO-P/CFP catalyst exhibited an overpotential of 59.6 mV to drive a current density of 10 mA cm-2.
- The catalyst possessed a small Tafel slope of 64.66 mV dec-1 for HER in 1.0 M KOH.
- The research demonstrated that the catalyst remained stable for 20 hours.
Sources:
- NewsRx. New Fuel Research Study Findings Reported from Jiangsu University (Modulation of Electronic Structure Caused By the Coupling Between Al, P Modified Nio and Ru for Boosting Alkaline Hydrogen Evolution). Energy Weekly News. October 24, 2025; p 398.
- Elsevier Sci Ltd. Fuel Journal, Volume 398, 2025 (www.elsevier.com; www.journals.elsevier.com/fuel/)
- Fengxian Qiu, et al. Modulation of Electronic Structure Caused By the Coupling Between Al, P Modified Nio and Ru for Boosting Alkaline Hydrogen Evolution. Fuel, 2025;398.