基于ZIF-8的三维网络硅碳复合材料锂离子电池性能研究
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ZIF-8-derived Three-dimensional Silicon-carbon Network Composite for High-performance Lithium-ion Batteries
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图S4. 半电池中Si@NC电极(a)循环前、循环(b)50和(c)200圈后的截面及表面SEM照片 |
Fig. S4. Cross section and surface SEM images of Si@NC electrodes for half-cell (a) before the cycle, after (b)50 and (c) 200 cycles |
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