Figure 6From: CMOS-compatible metal-stabilized nanostructured Si as anodes for lithium-ion microbatteriesCross-sectional SEM images of the nb-Si electrode after 50 cycles. The cells were charged to 2.0 V (vs. Li/Li+). (a) Pristine nb-Si and (b) Cu(50)-coated nb-Si electrodes.Back to article page