Su, Die, Yi Pei, Li Liu, Zhixiao Liu, Junfang Liu, Min Yang, Jiaxing Wen, Jing Dai, Huiqiu Deng, and Guozhong Cao. 2021. “Wire-in-Wire TiO2/C Nanofibers Free-Standing Anodes for Li-Ion and K-Ion Batteries With Long Cycling Stability and High Capacity”. Nano-Micro Letters 13 (April):107. https://doi.org/10.1007/s40820-021-00632-4.