One-step synthesis of flower-like Bi2O3/Bi2Se3nanoarchitectures and NiCoSe2/Ni0.85Se nanoparticles with appealing rate capability for the construction of high-energy and long-cycle-life asymmetric aqueous batteries

The Bi₂O₃/Bi₂Se₃nanoflowers and NiCoSe₂/Ni_0.85Se nanoparticles are acted as negative and positive electrodes for constructing an asymmetric aqueous battery successfully, and the device present high energy density and outstanding cycling stability.