A novel cubic KTi2(PO4)(3) is successfully synthesized via a facile hydrothermal method combined with a subsequent annealing treatment and further used as electrode material for sodium-ion batteries for the first time. For comparison, carbon-coated KTi2(PO4)(3) obtained by a normal cane sugar-assisted method reveals superior electrochemical performances in sodium-ion battery. Besides of the high coulombic efficiency of nearly 100% after 100 cycles, a stable capacity of 112 mA h g(-1) can be achieved at 0.5 degrees C after 100 cycles, and still maintains to 105 mA h g(-1) after 500 cycles with capacity retention of approximately 90%. (C) 2016 Elsevier Inc. All rights reserved.