29. L.X. Zhang, X.S. Wang, W.J. Deng, X.L. Zang, C.Y. Liu, C. Li, J.T. Chen, M.Q. Xue*, R. Li*, F. Pan, "An open holey structure enhanced rate capability in a NaTi2(PO4)3/C nanocomposite and provided ultralong-life sodium-ion storage", Nanoscale. 2018, 10, 958-963.