Fig. 6

STEM image of surface of a Si-Li2O-CuO composite in area near a particle in Fig. 5, and (b) composition distribution of silicon and oxygen along the white arrow in (a), obtained by EDX.
STEM image of surface of a Si-Li2O-CuO composite in area near a particle in Fig. 5, and (b) composition distribution of silicon and oxygen along the white arrow in (a), obtained by EDX.