Cu Nanocluster Size Effect Inducing the Transformation of Polysulfides to Cu2S/CuS for Durable Sodium Storage
Cu Nanocluster Size Effect Inducing the Transformation of Polysulfides to Cu2S/CuS for Durable Sodium Storage
研究概述
研究内容请参见论文原文。
谱图与表征信息
Figure 3. (a−f) TEM images of S@C after 1st charge (a, d), 40th charge (b, e), and 40th discharge (c, f). The depth profiles obtained from the S@ C electrode after 600 cycles of total secondary-ion fragments (g) and selected secondary-ion fragments (h). (i) 3D reconstructed images of TOF- SIMS depth profiles of S, C, Cu, and F after 600 cycles. X-ray absorption spectra of S (j) and Cu (k) K-edge for S@C after different cycles. (l) K3- weighted EXAFS spectra of S@C in R-space after different cycles.