Sandwich-like Na0.23TiO2 nanobelt/Ti3C2 MXene composites from a scalable in situ transformation reaction for long-life high-rate lithium/sodium-ion batteries

The novel sandwich-like Na0.23TiO2/Ti3C2 composites made of 1D amorphous Na0.23TiO2 nanobelts growing on 2D Ti3C2 nanosheets were designed for long-life high-rate lithium/sodium-ion batteries.254