fig16

Figure 16. Design of 3D host structure with preloaded Li. Schematics and digital images of (A) Li infusion into the 3D porous host; (B) SEM image of Li infused in carbon nanofibers^[79], Copyright 2017, Elsevier; (C) fabrication process from C-Wood (left) to ZnO-coated C-Wood (middle), and finally to Li/C-wood composite (right)^[81]. Copyright 2017, National Academy of Science; (D) schematic illustration of the infusion process for impregnating the nanocrevasses of the carbon scaffold with Li. SEM: scanning electron microscopy.