Figure 1: Nature Communications

Fig. 1

From: Graphene balls for lithium rechargeable batteries with fast charging and high volumetric energy densities

Fig. 1

Graphene growth from SiO2 nanoparticles. ac TEM characterization a before CVD growth, b after 5 min growth, and c after 30 min growth (scale bars, 50 nm). df Their respective magnified images (scale bars, 10 nm). g Higher magnification image of graphene after 30 min growth and its atom-level view from the white box (inset) (scale bar, 2 nm). h Graphical illustration of popcorn-like graphene growth from SiO2 nanoparticles