Nanocomposites of Nb2O5 NCs in situ grown on CNTs are successfully developed with excellent rate capability, leading to the successful fabrication of asymmetric supercapacitors with high energy and power density and long-term cycling stability.
Mesoporous superparticles composed of ultrasmall FeS2@C nanoparticles have been designed for high-performance Na-ion storage.
Graphene hollow sphere isolated Si nanoparticle nanocomposites arein situsynthesized for the first time and used as high-performance Li-ion anodes.