Zai, J., Liu, Y., Li, X., Ma, Z.- feng, Qi, R. and Qian, X. 2016. 3D Hierarchical Co–Al Layered Double Hydroxides with Long-Term Stabilities and High Rate Performances in Supercapacitors. Nano-Micro Letters. 9, 2 (Dec. 2016), 21. DOI:https://doi.org/10.1007/s40820-016-0121-5.