Fig. 1: Synthesis and characterizations for Sn/SnO2-CN. | Nature Communications

Fig. 1: Synthesis and characterizations for Sn/SnO2-CN.

From: In situ-formed C-N anchors embedded into Sn-based negative electrodes for long-life Na-ion batteries

Fig. 1: Synthesis and characterizations for Sn/SnO2-CN.The alternative text for this image may have been generated using AI.

a Schematic illustration of synthesis procedures. b XRD patterns of Sn/SnO2-CN samples with different thermal reduction times. c 3D nano-tomography with synchrotron TXM of the Sn/SnO2-CN particles and cross-sectional displays for different depths. d TEM-EDS mapping of interior Sn/SnO2-CN sliced by FIB. e Corresponding content of each element and C–N anchor skeleton schematic diagram. f C 1 s and N 1 s peaks in the XPS survey. g HRTEM images for Sn/SnO2-CN slice obtained via FIB.

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