(3 of 9)www.advmatinterfaces.de Figure 5. a) Ex situ GI-XRD results of ReS 2 @CNTs electrode at various stages. b) GI-XRD patterns of ReS 2 @CNTs electrode at 0.01, 0.6, 1.0, and 1.9 V (in the charge and discharge process). c) Contour patterns of the GI-XRD patterns at corresponding charge/discharge state.