3D porous structure 1 Au/WSSe 1 Co nanorods 1 DFT 1 Gibbs free energy 1 Li-O2 batteries 1 MXene 1 MXenes 1 N/P/Fe co-doped carbon 1 Nb2O5 1 Nb4N5 1 OER 1 ORR 1 Technology: general issues 1 TiN/Ta2O5 1 alcohol-thermal method 1 catalyst 1 codoped 1 component interaction 1 composite 1 doped graphene 1 electrocatalysis 1 electrochemistry 1 energy storage 1 exchange-bias geometric configuration 1 heterostructure 1 hybrid nano-generator 1 hydrogel 1 janus 1