Uniform Loading of Nickel Phosphide Nanoparticles in Hierarchical Carbonized Wood Channel for Efficient Electrocatalytic Hydrogen Evolution

Figure 7

(a) Polarization curves and (b) Tafel plots calculated from polarization curves of the Ni₂P-Ni₁₂P₅/CW electrode in 0.5 M·H₂SO₄ at room temperature with a scan rate of 5 mV·s⁻¹. (c) Chronoamperometric profile of the electrode measured at −200 mV in 0.5 M·H₂SO₄.

(a)

(b)

(c)