Ultrafast synthesis of MoS2 or WS2-reduced graphene oxide composites via hybrid microwave annealing for anode materials of lithium ion batteries

WS2 nanoplates embedded in graphitic carbon nanotubes with excellent electrochemical performance for lithium and sodium storage

“…The large initial discharge capacity of the composite is generally ascribed to the production of the solid electrolyte interface (SEI) layer on the surface of the electrode owing to electrolyte decomposition, similar to that reported in nanosized TMD-based anode materials [10,38]. Furthermore, the defect of the graphitic carbon coating with high surface area probably also contributes to this high discharge capacity [23,24]. Despite a large irreversible capacity loss occurred in the first cycle, which is probably due to irreversible Li insertion as well as the formation of an SEI layer on the surface of the WS 2 @G electrode, the reversibility of the capacity was greatly enhanced, with an average Coulombic efficiency of nearly 100% for up to 300 cycles after the second cycle (Fig.…”

“…Several strategies including reducing the size, optimizing the morphology, and incorporating WS 2 into conductive carbonaceous materials, such as graphene [23][24][25] and carbon nanofibers [20,26] have been proposed to simultaneously deal with the volume expansion problem and provide facile electron pathways, showing enhanced electrochemical performance. Bao et al [27] reported a self-assembled double carbon coating via a self-assembly process between oleylamine-coated WS 2 nanosheets and graphene oxide, showing a 90% capacity retention after 200 cycles as well as excellent rate capabilities.…”

The application of nanostructured transition metal sulfides as anodes for lithium ion batteries

“…The CuS/graphene (CuS-G) composite, binary α-NiSβ-NiS, binder-free CuS, FeS 2 and Ni 3 S 2 /NiS electrodes, MoS 2 /WS 2 -rGO composites etc. are rapidly synthesized by the microwaveassisted methods [48][49][50][51] .…”

One‐Pot Hydrothermal Synthesis of Hexagonal WO3 Nanorods/Graphene Composites as High‐Performance Electrodes for Supercapacitors

“…This indicates that the products are equipped with typical pseudocapacitiveb ehaviors. [48][49][50] The Faradaic process www.chempluschem.org of WO 3 in sulfuric acid solution can be described by Equation (1).…”