Two-dimensional β-cobalt hydroxide phase transition exfoliated to atom layers as efficient catalyst for lithium-oxygen batteries

Through phase transition exfoliation of layered α-Co(OH)2 nanosheets to obtain atom-layered two-dimensional β-Co(OH)2 nanosheets showing outstanding electrocatalytic properties in Li-O2 battery which gives a new way to improve ability for LOBs by exfoliation of 2D materials.231