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Highlights from the article: Selective Synthesis of Magnetite Nanospheres with Controllable Morphologies on CNTs and Application to Lithium-Ion Batteries (Phys. In this cover image, three kinds of nanostructures are described as hollow Fe SB 3 sb O SB 4 sb -CNT, mesopore Fe SB 3 sb O SB 4 sb -carbon nanotubes (CNT) and solid Fe SB 3 sb O SB 4 sb -CNT for lithium ion battery (from left to right). And the Fe SB 3 sb O SB 4 sb nanospheres are beaded with CNTs.

3D hollow‐carbon‐spheres/graphene‐flake hybrid nanostructures are controllably prepared from a polypropylene/montmorillonite/Fe3O4 composite by a self‐assembly and subsequent carbonization process. More importantly, in the resultant hollow‐carbon‐spheres/graphene‐flake hybrid structures, the monodispersed small hollow carbon spheres can be distributed on the graphene flake with controllable density. The obtained hollow‐carbon‐spheres/graphene‐flake hybrid nanostructures show improved performance in lithium‐ion batteries. [ABSTRACT FROM AUTHOR]