Defect-engineered ultrathin NiMoO4 nanomeshes as efficient and stable electrocatalysts for overall water splitting

In situ phosphating of Zn-doped bimetallic skeletons as a versatile electrocatalyst for water splitting

“…FMZP4 exhibits superior catalytic activity, obtaining η 20 and η 50 at low cell voltages of 1.72 and 1.79 V, which is comparable with cells based on the Pt/C||IrO 2 electrode as shown in Fig. 6b, as well as the majority of the published electrocatalysts 32–50 (Fig. 6d and Table S6, ESI†).…”

Ag‐doped CoP Hollow Nanoboxes as Efficient Water Splitting Electrocatalysts and Antibacterial Materials

“…Usually, the catalytic activity was proportional to the C dl value, which meant that the active sites on the surface were sufficiently exposed. [48] Meanwhile, electrochemical impedance spectroscopy (EIS) was deemed to evaluate electronic conductivity of catalysts. As seen in Figure 5e, the charge transfer resistance (R ct ) of Ag-CoP HNBs (13.4 Ω) was smaller than that of Ni-CoP HNBs (20.0 Ω), Fe-CoP HNBs (21.6 Ω) and CoP HNBs (33.7 Ω).…”

“…The C dl of Ag‐CoP HNBs was 31.7 mF cm −2 , which was 8.3 times of that of CoP HNBs (Figure 5d). Usually, the catalytic activity was proportional to the C dl value, which meant that the active sites on the surface were sufficiently exposed [48] . Meanwhile, electrochemical impedance spectroscopy (EIS) was deemed to evaluate electronic conductivity of catalysts.…”

Advanced trifunctional electrodes for 1.5 V-based self-powered aqueous electrochemical energy devices

“…2c, the peaks located at 529.5, 530.3, and 532.2 eV suggest the presence of the lattice O of M-O species (M = Ni, Mo) for NMO, oxygen vacancy and OH − species, respectively. 45 The peaks at 529.6, 530.8, and 532.3 eV could be ascribed to the lattice O of M-O species for NMO-MO-P, oxygen vacancy, and OH − species, respectively, and the introduction of a new peak of P-O x at 533.6 eV in NMO-MO-P, 46,47 which could promote charge transfer and facilitate H adsorption. 37,44 Moreover, compared to the single O 1s XPS peaks of the NMO and NMO-MO samples, the O 1s XPS spectrum of NMO-MO-P was featured with a positive shi (Fig.…”