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Spinel ZnMn2O4 is considered as a potentially high-capacity anode material for Li-ion batteries. However, its low conductivity causes poor rate capability and insufficient cyclability, thus turning into a challenge for battery applications. Hybrid inorganic/ordered mesoporous carbon (CMK-3) nanostructure represents a promising material platform for next-generation energy storage due to the presence...
Amorphous carbon (a-C) films co-doped by two metals exhibit a desirable combination of mechanical and tribological properties for wider applications. Nevertheless, the structural evolution of metal co-doped a-C films from the atomic and electronic scales is a critical pre-requisite to illustrate the intrinsic mechanism of residual stress reduction. Herein, we first fabricated the Ti/Al co-doped a-C...
Three-dimensional (3D) porous graphene materials with few layer nature and non-stacked structural feature afford significant advantages in high electrical conductivity, large surface area, and interconnected porous nanostructures. However, the structure evolution of porous graphene under high temperature is poorly understood. In this contribution, 3D double-layer templated graphene (DTG) composed...
The mesoporous Li2FeSiO4@ordered mesoporous carbon (CMK-3) has been firstly synthesized by a sol–gel method. The structural properties of the samples are characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy and nitrogen adsorption–desorption. The composite is then evaluated as a cathode material for lithium ion batteries. It exhibits greatly...
Fe(C) and Ni(C) nanocapsules with low carbon content have been produced via an arc discharge process in ethanol vapor. It is clarified by X-ray diffraction that the core of the Fe(C) nanocapsules consists of γ-Fe, α-Fe and Fe 3 C phase, while that of the Ni(C) nanocapsules contains only nickel. High-resolution transmission electron microscopy imaging confirms that these particles have a broad...
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