fig8

Figure 8. (A) Fabrication process for the hollow carbon nanosphere-modified Cu electrode and SEM images of the carbon-coated polystyrene nanoparticle array. (B) Schematic illustration of the Li deposition process on the pristine Li anode and hollow-carbon-nanosphere coating anode. Reproduced with permission from Ref.^[96]. Copyright 2014, Springer nature. (C) Schematic of the synthetic procedures of layered Li-rGO composite film (top) and corresponding digital camera images of the GO film, sparked rGO film and layered Li-rGO composite film (bottom). Reproduced with permission from Ref.^[100]. Copyright 2016, Springer nature. (D) Schematic of the preparation of structural Li-CNTs by metallurgical techniques. Reproduced with permission from Ref.^[102]. Copyright 2020, Wiley.