Hierarchical core–shell-structured bimetallic nickel–cobalt phosphide nanoarrays coated with nickel sulfide for high-performance hybrid supercapacitors

Self -templated construction of hollow trimetallic MnNiCoP yolk–shell spheres assembled with nanosheets as a satisfactory positive electrode material for hybrid supercapacitors

“…10d shows the Ragone diagram, which represents the relation energy density versus power density of the MnNiCoP@NiF//AC@NiF device. 65–71 The fabricated MnNiCoP@NiF//AC@NiF device demonstrates an energy density of 57.03 W h kg −1 at the power density (799.98 W kg −1 ), and retains 43.04 W h kg −1 at a good power density (15 999.92 W kg −1 ). The superb energy density of the MnNiCoP@NiF//AC@NiF apparatus can be compared with the reported transition metal phosphides (TMPs)-based supercapacitors devices (Fig.…”

Fabrication of nanosheet-assembled hollow copper–nickel phosphide spheres embedded in reduced graphene oxide texture for hybrid supercapacitors

“…5h and Table S4, ESI †). 30,[75][76][77][78][79][80][81] Fig. S25a and b † depict the CV and GCD graphs of the single and two NH-CNPS-rGO-2kAC devices connected in series and parallel at a scan rate of 80 mV s −1 and a current density of 1 A g −1 , respectively.…”

Interface Engineering of a Hierarchical P-Modified Co/Ni3P Heterostructure for Highly Efficient Water Electrolysis Coupled with Hydrazine Degradation

“…44−46 For instance, NiCoP@NiS nanoarrays with a core−shell structure were developed by a simple electrodeposition method, which exhibited unique advantages of improved electron transfer and reaction kinetics for catalysis. 47 In addition, the electrodeposition synthesis of self-supporting NiCoFe nanotube arrays was reported by Yang's group, who achieved faster charge-mass-transfer ability due to the unique electrode structure. 48 Therefore, the electrodeposition method shows the competitiveness of rapid design of self-supporting heterostructured electrocatalysts, but traditional electrodeposition techniques lack reasonable regulation of the morphology and structure of the catalyst, resulting in the limitation of their catalytic performance.…”

“…Recently, the electrodeposition method has received a lot of attention in the preparation of self-supporting electrodes due to its simple equipment and adjustable operation process. Various TM-based materials, including alloys, heterostructure compounds, or high-entropy compounds, have been anchored directly to the surface of the replaceable working substrates, avoiding the use of additional adhesives to improve the structure stability. – For instance, NiCoP@NiS nanoarrays with a core–shell structure were developed by a simple electrodeposition method, which exhibited unique advantages of improved electron transfer and reaction kinetics for catalysis . In addition, the electrodeposition synthesis of self-supporting NiCoFe nanotube arrays was reported by Yang’s group, who achieved faster charge-mass-transfer ability due to the unique electrode structure .…”