fig8

Figure 8. Performance of Si-carbon composite particles obtained from CTP in SSBs; (A) Low-magnification SEM image of heat-treated Si/C composite particles containing 325 mesh-like Si particles; (B) SEM image of FIB cross-sectional particles showing EDS point scanning positions; The selected cycle voltage distribution (C) and dQ/dV (D) of the entire SSB; FIB cross-sectional view of the Si/C: SSE composite electrode after 100 charge-discharge cycles; (E) 6:4 nSi/C: SSE composite electrode; (F) 7:3 nSi/C: SSE composite electrode; (G) 7:3 Si/c: SSE composite electrode, containing 1~3 μm Si particles. Reproduced with permission from Dunlap et al., Solid State Ionics (2018). Copyright © Elsevier^[86]. CTP: Coal tar pitch; SEM: scanning electron microscopy; SSE: solid-state electrolyte; EDS: energy dispersive spectrometer; SSBs: solid-state battery; FIB: focused ion beam.