Xiao ni energy storage

Are Ni-based oxides a promising material for aqueous energy storage systems?

Ni-based oxides/hydroxides are believed to be greatly promising materials for aqueous energy storage systems due to their active valence transformation, which enables multiple redox reactions in aqueous media.

What is the specific capacity of Co 3 O 4 @NiO NSRAs?

The Co 3 O 4 @NiO NSRAs exhibit ultrahigh specific capacity of ~242.4 mAh·g −1 at 5 mA·cm −2, good rate capability (~60.5%) and excellent long-term cycle performance (with only ~4% capacity loss over 1000 cycles) in a strong alkaline electrolyte (containing 6 mol·L −1 KOH).

What is the function of Ni–Zn battery with Co 3 O 4 @NiO NSRAs?

The Ni–Zn battery with Co 3 O 4 @NiO NSRAs functions as an advanced cathode material, which can deliver comparable or higher power and energy densities in comparison with other reported aqueous batteries.

What is the band gap energy of CE–ni–cu@mof nanomaterial?

Nonetheless, in this study, the as-synthesized Ce–Ni–Cu@MOF nanomaterial exhibited the band gap energy as 3.13 eV, demonstrating improved photo emission characteristics and expected to well-suited for energy storage applications. The dielectric properties were studied in impedance analyzer in the frequency range of 100 Hz to 5 MHz.

What is the band gap energy of NiO & CEO 2?

According to literature, the band gap energies of pure NiO, CeO 2, and CuO are reported as (3.6–4 eV) , (3.2–3.4 eV) , and 4.59 eV , respectively. Nonetheless, the composite of these metal oxides results a decrease in band gap energy, i.e., 3.13 eV, aligning it in the range of the visible region.

What is Ni3S2 nanorod@Ni(OH)2?

The article discusses the synthesis of Ni3S2 nanorod@Ni(OH)2 core-shell nanostructures on a three-dimensional graphene network for high-performance supercapacitors.