Electrochemical energy storage application of Ni3Se2

Is Ni 3 SE 2 a good electrolyzer?

The Ni 3 Se 2 nanowire array electrode is shown to be a high-performance alkaline water electrolyzer with current density of 10 mA cm −2 at a cell voltage of 1.62 V. The results demonstrate Ni 3 Se 2 as a promising 2D highly active electrode for electrochemical energy storage and conversion applications.

What is the energy density of NISE ni 3 SE 2?

The device manifests an eximious energy density of 45.5 Wh Kg −1 at 1.600 kW kg −1, with a capacitance preservation of 96.1% over 12,000 cycles. Additionally, the NiSe@Ni 3 Se 2 composite also present a low overpotential of 281 mV at 10 mA cm −2.

What is the electrochemical double layer capacitance of NISE nwas@ni 3 SE 2 NSS?

The calculated results (Fig. 6 (d)) show that the electrochemical double layer capacitance of the NiSe NWAs@Ni 3 Se 2 NSs/NF is 3.25 mF cm −2, which is higher than NiSe NWAs/NF (2.82 mF cm −2) and Ni 3 Se 2 NSs/NF (2.67 mF cm −2). It reveals the composite electrode possesses more active reaction sites.

Can Nise ni 3 SE 2 be used for oxygen evolution reaction?

In addition, the as-obtained NiSe@Ni 3 Se 2 catalyst can present favorable electrocatalytic performances for oxygen evolution reaction (OER) with a small overpotential of 281 mV at 10 mA cm −2.

What is a Ni 3 SE 2 electrode used for?

When used as a two-dimensional (2D) electrode for water splitting reaction, the Ni 3 Se 2 electrode exhibits high catalytic activity to achieve 100 mA cm −2 at an overpotential of 320 mV in the oxygen evolution reaction and a low overpotential of 95 mV at a current density of 50 mA cm −2 in the hydrogen evolution reaction in a 1.0 M KOH solution.

What is nise@ni 3 SE 2?

NiSe@Ni 3 Se 2 electrode material are prepared via a two-step in-situ growth technology. The integrated hybrid electrode delivers extraordinary capacitance and OER characteristics. An asymmetric supercapacitor based on NiSe@Ni 3 Se 2 was successfully assembled. The device exhibits high power and energy density, and long-term cycling stability.