Carbonized Wood Cellulose-Supported NiCoMo Heterostructures for Stable and Efficient Urea Electrolysis

However, urea electrolysis is predominantly bottlenecked by sluggish reaction kinetics and poor long-term stability, which severely limit its overall efficiency. To address these challenges, a self-supported NiCoMo-based multiphase heterostructure catalyst (NiCo@Ni-CoMoO₄/CWC) was in situ constructed on carbonized wood cellulose (CWC).

The built-in electric field and interfacial lattice strain induced by heterointerfaces between NiCo, NiMoO₄, and CoMoO₄ enhance intrinsic activity by regulating the electronic structure and optimizing the adsorption-desorption energies of reaction intermediates. Simultaneously, CWC substrate’s three-dimensional porous structure, superior hydrophilicity, and conductivity provide abundant accessible active sites, facilitate rapid mass/electron transport, and improve structural stability, further boosting catalytic performance.