Asymmetric Supercapacitors Based on Co3S4–ZnCo-Layered,Supraparticles from Cubic Iron Oxide Nanoparticles,Facile synthesis of biopolymer decorated magnetic coreshells,Enzymes@ZIF-8 Nanocomposites with Protection Nanocoating,Design and synthesis of Ni-Co-X(X = O, S, P)/Co(OH)2 core