General Polyethyleneimine‐Mediated Synthesis of Ultrathin Hexagonal Co3O4 Nanosheets with Reactive Facets for Lithium‐Ion Batteries

Abstract The front cover artwork is provided by Dr. Xiao‐Ying Lu from Technological and Higher Education Institute of Hong Kong and her collaborators from Hong Kong Applied Science and Technology Research Institute and South University of Science and Technology of China. The image shows facile synthesis of ultrathin hexagonal Co 3 O 4 nanosheets with reactive facets and mesopores by a general polyethyleneimine‐mediated strategy for high‐performance lithium‐ion batteries. Read the full text of the article at 10.1002/celc.201500377 .