Department of Chemistry,Institute of Biomimetic Materials and Chemistry,Anhui Engineering Laboratory of Biomimetic Materials,Division of Nanomaterials and Chemistry,Hefei National Research Center for Physical Sciences at the Microscale Institute of Energy,Hefei Comprehensive National Science Center,University of Science and Technology of China,Hefei,230026,P.R.China;
Wood-like structure; Freeze casting; Catalytic scaffold; Shape-memory; Mass transfer efficiency;