Breakthrough in Clean Energy Research: New Catalyst Demonstrates Exceptional Durability and Activity

Strategic Insights -

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), resulting in a significant improvement in its electronic structure. This breakthrough has important implications for the development of clean energy technologies and addressing climate environmental problems caused by traditional fossil fuels.

Key Takeaways:

  • The Ru-NiAlEO-P/CFP catalyst was successfully prepared by etching NiAl-layered double hydroxide (LDH) grown on carbon fiber paper (CFP) and a gas phase phosphating process.
  • The catalyst demonstrated 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 effectively inhibited the deactivation of Ru, improving the durability of the catalyst.
  • The Ru-NiAlEO-P/CFP catalyst showed acceptable durability in a stability test of 20 h.
  • The research provides a strategy to enhance the activity and durability of Ru by using modified transition metal oxides (TMOs), which is expected to be further used to develop advanced Ru-decorated TMOs catalysts for HER.

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 Tafel slope of the Ru-NiAlEO-P/CFP catalyst was 64.66 mV dec^-1.
  • The catalyst showed a durability of 20 h in the stability test.
  • The research was published in the journal Fuel (Elsevier) in 2025.

Sources:

  • Qiu, F., Yin, Y., Qian, L., Wang, F., Yuan, Z., Dai, Y., Zhang, T., Yang, D., Zhu, Y., & Zhang, Y. (2025). Modulation of Electronic Structure Caused By the Coupling Between Al, P Modified Nio and Ru for Boosting Alkaline Hydrogen Evolution. Fuel, 398.
  • 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.