Confinement of CoOx-CoP nanoparticles inside nitrogen doped CNTs: A low-cost ORR electrocatalyst

Heterostructure NiCo-Alloy Nanosheet Embedded Ceria Nanorods: A Highly Efficient Bifunctional Electrocatalyst toward Oxygen Evolution Reaction and Oxygen Reduction Reaction

“…The electrocatalysts’ ORR efficiency was assessed by recording LSV curves in oxygen-saturated 0.1 M KOH electrolyte. Generally, ORR can proceed through two pathways. , The direct pathway involves four electrons transfer, whereas the indirect pathway involves two-electron transfer to reduce oxygen on the catalyst’s surface. The low η involved in the direct four-electron reduction pathway favors it over the indirect two-electron reduction pathway. − Among all the synthesized materials, NiCo-alloy@CeO 2 displayed the highest ORR activity, with E 1/2 of 0.81 V RHE and E onset of 0.89 V RHE , demonstrating the optimized performance (Figure a) of the NiCo-alloy@CeO 2 electrode.…”

Understanding the mechanism and synergistic interaction of cobalt-based electrocatalysts containing nitrogen-doped carbon for 4 e− ORR

“…[33][34][35] Accordingly, over the past few decades, transition metal-based catalysts supported on nitrogendoped carbon have attracted signicant attention among the newly developed catalysts. [36][37][38] Transition metal-based catalysts show promising activities in electrochemical applications. 39,40 Furthermore, the low cost and high abundance of transition metals in the Earth's crust enable them to be used as unconventional catalysts to substitute noble metal-based catalysts, thus paving the way for the exploitation of fuel cell technology.…”

CoP nanoparticles embedded in three-dimensional porous network-like structured N, O co-doped carbon nanofibers as an effective bi-functional electrocatalyst for rechargeable zinc–air batteries

“…). 33–35 Among them, metal phosphides with metal-like characteristics are promising bi-functional electrocatalysts due to their excellent electrical conductivity, high physicochemical safety and low cost. 27,36–38 Cobalt phosphide, as a semiconductor material with excellent thermal stability, strong chemical stability, outstanding electrical conductivity and efficient catalytic properties, is a highly efficient, stable and inexpensive transition metal phosphide, which has the conditions for the preparation of highly efficient bi-functional electrocatalysts and has attracted much attention in recent years.…”

“…For the functional decoration materials mentioned above, a large number of researchers have spent a lot of effort to investigate the electrocatalytic properties of different metal compounds (such as metal oxides, metal carbides, metal sulfides, metal nitrides, metal phosphides, etc.). [33][34][35] Among them, metal phosphides with metal-like characteristics are promising bi-functional electrocatalysts due to their excellent electrical conductivity, high physicochemical safety and low cost. 27,[36][37][38] Cobalt phosphide, as a semiconductor material with excellent thermal stability, strong chemical stability, outstanding electrical conductivity and efficient catalytic properties, is a highly efficient, stable and inexpensive transition metal phosphide, which has the conditions for the preparation of highly efficient bi-functional electrocatalysts and has attracted much attention in recent years.…”