[1]Department of Materials and Environmental Chemistry (MMK);
Stockholm University;
SE-10691;
Sweden;
[2]Department of Chemistry;
Faculty of science;
Alexandria University;
P.O. Box 426;
Ibrahimia;
Alexandria 21321;
Egypt;
[1]Department of Materials and Environmental Chemistry (MMK);
Stockholm University;
SE-10691;
Sweden;
[3]College of Chemistry and Molecular Engineering;
Peking University;
Beijing 100871;
China;
[4]Angstrom Advanced Battery Centre;
Department of Chemistry-Angstrom Laboratory;
Uppsala University;
Box 538;
SE-75121;
Sweden;
Sodium-ion batteries; Anode materials; Vanadium pentoxide nanosheets; Composite materials;