Urchin-like CoNiO2 microspheres supported on reduced graphene oxide with N and S co-doped for overall water splitting with trace load as the bifunctional electrocatalyst

Formulation of Hierarchical Nanowire-Structured CoNiO2 and MoS2/CoNiO2 Hybrid Composite Electrodes for Supercapacitor Applications

“…14−16 For example, Pan et al 15 designed the hierarchical CoNiO 2 @rGO/NF hybrid to significantly enhance the HER/OER catalytic efficiency. Li et al 14 synthesized the CoNiO 2 microspheres with S additional N-codoped reduced graphene oxide to enhance the electrocatalytic activity and electrical conductivity for the bifunctional (HER and OER) electrocatalysis applications. Leng et al 17 also demonstrated the hierarchical NiCoO 2 /rGO/NiCoO 2 sandwich nanosheet composite with enhanced specific capacity and cycling behavior in lithium-ion batteries.…”

“…However, CoNiO 2 still faces problems in electrochemical properties such as low exposure to active sites due to serious agglomeration, low conductivity, and poor stability during charge–discharge cycles. , Effective approaches were adopted to boost the electrochemical performance by introducing different conductive matrices (carbide/nitride, pure or doped rGO/GO) or semiconductor materials to enable the surface activity of the catalyst for electrochemical properties. − For example, Pan et al designed the hierarchical CoNiO 2 @rGO/NF hybrid to significantly enhance the HER/OER catalytic efficiency. Li et al synthesized the CoNiO 2 microspheres with S additional N-codoped reduced graphene oxide to enhance the electrocatalytic activity and electrical conductivity for the bifunctional (HER and OER) electrocatalysis applications. Leng et al also demonstrated the hierarchical NiCoO 2 /rGO/NiCoO 2 sandwich nanosheet composite with enhanced specific capacity and cycling behavior in lithium-ion batteries.…”