New energy storage device ruthenium electrode

Are ruthenium nitride films a positive electrode material?

The present paper describes how ruthenium nitride (RuN) films are an interesting positive electrode material for asymmetric MSCs or ECs. The properties of RuN are largely unexplored, although initial research showed promising electrochemical properties despite difficulties in stabilizing the RuN phase in bulk materials 19, 20.

Why is ruthenium nitride a charge storage mechanism?

The charge storage mechanism takes advantage of the high electrical conductivity and the morphology of cubic ruthenium nitride and Ru phases in the feather-like core, leading to high electrical conductivity in combination with high capacity.

How can hydrogen-based electrochemical energy storage and conversion devices be used?

To establish clean and environmentally friendly energy systems, hydrogen-based electrochemical energy storage and conversion devices must be developed. Fuel cells and electrolyzers based on the anion-exchange membrane have attracted a lot of interest owing to their utilization as efficient earth-abundant catalysts for oxygen electrode reactions.

Is fast charging a critical concern for electrochemical energy storage devices?

Nature Materials 23, 670–679 (2024) Cite this article Fast charging is a critical concern for the next generation of electrochemical energy storage devices, driving extensive research on new electrode materials for electrochemical capacitors and micro-supercapacitors.

Does a 10 m-thick electrode have a good rate capability?

The time constant extracted from the C ″ versus frequency plot increases from 3.3 to ~10.0 s for the 10-µm-thick electrodes pre- and post-EOP, respectively, suggesting a moderate impact on the rate capability and retaining a reasonably good performance.

What are the electrochemical properties of run electrodes?

The electrochemical properties of RuN electrodes were measured in a three-electrode configuration in 1.0 M KOH aqueous electrolyte and in other aqueous electrolytes (0.5 M H 2 SO 4, 1.0 M LiOH, 1.0 M LiNO 3 and 1.0 M Na 2 SO 4; Supplementary Information).