Expression of concern: Hollow amorphous NaFePO4 nanospheres as a high-capacity and high-rate cathode for sodium-ion batteries
Abstract
Expression of concern for ‘Hollow amorphous NaFePO4 nanospheres as a high-capacity and high-rate cathode for sodium-ion batteries’ by Chun Li et al., J. Mater. Chem. A, 2015, 3, 8265–8271.