Rechargeable Na-CO2 Batteries Starting from Cathode of Na2CO3 and Carbon Nanotubes
The structure of rechargeable batteries. (a) The scheme of Na-CO2 batteries starting from Na2CO3 and CNTs. SEM (b) and HRTEM (c) images of pristine CNTs with lattice distance of 0.34 nm. SEM (d) and HRTEM (e) images of prepared Na2CO3/CNTs composites. (f) The corresponding SAED pattern of (e).