Solution-processed artificial synapses are expected to develop the synaptic electronics towards flexible and highly integrated three-dimensional neural networks to break through the von Neumann computing architecture in the post-Moore era.

A one-step in situ nanoconfined pyrolysis strategy was developed to anchor highly active single Co atoms on the P,N-doped porous carbon@carbon nanotube coaxial nanocables (Co-P,N-CNT), which exhibit remarkable enhanced ORR electrocatalytic activity in both acidic and alkaline media.