Chinese Academy of Sciences(CAS)Key Laboratory of Nanosystem and Hierarchical Fabrication;
CAS Center for Excellence in Nanoscience;
National Center for Nanoscience and Technology;
Beijing 100190;
China;
School of Materials Science and Engineering;
Tianjin University;
Tianjin 300072;
China;
University of Chinese Academy of Science;
Beijing 100049;
China;
Collaborative Innovation Center of Chemical Science and Engineering;
Tianjin 300072;
China;
Three-dimensional covalent organic framework; Flost material; Lithium-sulfur battery; Flydroxyl group; Chemical interaction;