Octahedral Cu2O@Co(OH)2 Nanocages with Hierarchical Flake‐Like Walls and Yolk‐Shell Structures for Enhanced Electrocatalytic Activity. - Chen, Jiahui; Kang, Jiahui; Sun, Rong; Sheng, Jiali; Fu, Xian‐Zhu; Yu, Yan; Yan, Ning; Wong, Ching‐Ping (ChemCatChem, 2019)