Corrigendum to "Hierarchically structured electrospinning nanofibers for catalysis and energy storage" [Compos. Commun. 13 (June 2019) 1–11]. (January 2022) - Li, Shuai; Cui, Zhimin; Li, Dianming; Yue, Guichu; Liu, Jing; Ding, Hongge; Gao, Songwei; Zhao, Yuchao; Wang, Nü; Zhao, Yong