Hollow nanomaterials provide abundant reaction sites and facilitate tolerance for volume changes during the charging- discharging process, which is potential candidates for alkaline ion storage. In this work, hollow CuO...
Hollow polyhedrons were structured from carbon-coated CoSe2 nanospheres bridged by CNTs, and showed a boosted rate capability/robust cyclability for sodium storage.
Ti2Nb2O9/CNF anode with excellent sodium storage performance is fabricated by electrospinning and carbonization treatment. The assembled Ti2Nb2O9/CNF//AC SIC exhibits a high energy density of 129 W h kg-1 at 75 W kg-1.