Rod-like hierarchical Sn/SnOx@C nanostructures with enhanced lithium storage properties

The unique rod-like hierarchical Sn/SnOx@C nanostructures composites which are composed of a great number of carbon-wrapped primary nanospheres of 100-200 nm in diameter are synthesized by simply calcining RF resin coated Sn-based metal-organic frameworks, when utilized as an anode material for Lithium-ion batteries, an extremely high reversible specific capacity of 1001 mA h g−1 after 240 cycles at a current density of 200 mA g−1 is achieved.