Synthesis of multimodal porous ZnCo2O4 and its electrochemical properties as an anode material for lithium ion batteries

A Facile Synthesis of ZnCo2O4 Nanocluster Particles and the Performance as Anode Materials for Lithium Ion Batteries

“…Two accompanied weak satellite peaks are also visible at 790.0 and 805.0 eV and the energy gap between the main peak and the satellite peaks is around 9.8 eV. This suggests that Co cation can be assigned a value of +3 [15]. The results are quite close to those reported about MCo 2 O 4 (M=Mg, Cu, Zn) [8].…”

“…Hao [15] reported porous ZnCo 2 O 4 microspheres synthesized by a solvothermal method, with a high reversible capacity of 940 mAh g −1  at 0.1 °C. In Huang’s work [16], core–shell ZnCo 2 O 4 microspheres were fabricated by a hydrothermal method.…”

Assembling mesoporous ZnxCo3-xO4 fibers with interconnected nanocrystals via a topotactic conversion route for enhanced performance Lithium-ion batteries

“…S1e), the C element with the C 1s peak at 284.8 eV was also detected, which is due to amorphous carbon derived from the decomposition of glucose precursor. These results are in consistent with the previous reports[21,23]. In addition, XPS spectra of Zn x Co 1-x C 2 O 4 ·2H 2 O were also detected, which further confirm the existence of the Zn, Co, O and C elements, as shown in Fig.…”

“…As is well known, nanostructured materials with well-controlled shapes, sizes, crystalline phase, and structures play a critical role in determining the performance of LIBs. Various Zn x Co 3-x O 4 micro or nanostructures including sheets [1], particles [10,15], hierarchical nanostructure [16], hollow structures [9,17], Yolk-shell [18], wires [19], rods [20], tubes [21], nanoflakes [22] and porous structure [23] have been prepared by physical and chemical methods. Of particular interest is one dimensional structures such as rods or wires, which can provide efficient electrical transport pathway.…”

Hollow SnO2@Co3O4 core–shell spheres encapsulated in three-dimensional graphene foams for high performance supercapacitors and lithium-ion batteries

“…Especially, complex oxides of transition metals [19], such as ZnMn 2 O 4 [20], NiCo 2 O 4 [21], ZnCo 2 O 4 [22], Fe 2 O 3 eCo 3 O 4 [23], SnO 2 eCo 3 O 4 [24], Co 3 O 4 @MnO 2 [25], have attracted much attention for their synergistic effect in enhancement of reversible capacity, structural stability, and electrical conductivity. However, most transition metal oxides and complex oxides show poor rate capability and cycling performances because of their low conductivity and large volume expansion/contraction during the longterm charge/discharge cycling.…”