Fig. 1: Structural characterization of CuRu/MCHS and CuRu/CS electrocatalyst.
From: Nano-confinement engineering boosts C–N coupling for urea electrosynthesis
a Schematic illustrating the design principles of confined and non-confined systems in urea electrosynthesis. b Illustration for the synthesis process and microstructure of MCHS, CS, CuRu/CS and CuRu/MCHS. c SEM image, d TEM, e HAADF-STEM and EDS elemental mapping profile of CuRu/CS. f SEM image, g HAADF-STEM image and h EDS elemental of a single CuRu/MCHS. i TEM images and the particle sizes distribution in a single sphere and j, k the TEM images of carbon shell of CuRu/MCHS.
