Ultrafine V2O3 Nanowire Embedded in Carbon Hybrids with Enhanced Lithium Storage Capability

Compared to other transitiOn metal oxides, V2O3 with a higher conductivity has attracted intense attention in energy storage fields. TO further improve its rate capability and Cycling stability, we demonstrate the synthesis Of carbon-encapsulated ultrafine V2O3 nanowires (V2O3@C NWs) hybrids. The optimized V2O3@C Nws hybrids, when applied as anode materials for lithium-ion batteries (LIB), deliver a high specific capacity of 985 mA h g(-1) at 100 mA which is higher than V2O3 nanopartides (V2O3 NPs, 248 mA h g(-1)) and even 2.6 times higher than graphite anodes: More significantly, they also exhibit remarkably enhanced rate capability (519 mA h CI at 5000 g(-1)) and long cycle life (860 mA h g(-1) at 1000 mA after 300 cycles). Such fascinating electrochetnical performance is mainly attributed to the liiiiform coating of carbon and their ultrafine nanostrixture, which can further improve the conductivity arid enrich the eiettrothenlical active sits.