Iron-based sulfate (Na2Fe(SO4)(2)) is receiving increasing attention because of its heat resistance, moisture resistance as well as low cost. Herein, Na2Fe(SO4)(2) (NFS/bc + s), which is modified by sucrose and carbon black, was synthesized by the method of environment-friendly and economic liquid phase without waste water and with similar to 100 % utilization of raw materials. NFS/bc + s has a special structure with broken, open, porous, hollow cuboid, which provide an excellent specific capacity of 90.64 mAh/g at 0.1C, additionally, NFS/bc + s also shows good stability in charge-discharge cy...
