研究目的
The development of designing and searching inexpensive electrocatalysts with highly activity for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) to enable water splitting as a future renewable energy source.
研究成果
The CoP(MoP)-CoMoO3@CN nanocomposite exhibits superior electrocatalytic activity for both OER and HER in alkaline media, achieving a current density of 10 mA?cm?2 at 1.55 V for overall water splitting with good stability, making it a competitive alternative to noble metal catalysts.
研究不足
The paper does not explicitly state limitations, but potential areas for optimization could include further improving catalytic efficiency, scalability of synthesis, and long-term stability under industrial conditions.
1：Experimental Design and Method Selection:
Synthesis of CoP(MoP)-CoMoO3@CN via thermal decomposition and phosphatization of CoMoO4 nanowires encapsulated in N-doped carbon.
2：Sample Selection and Data Sources:
CoMoO4 nanowires prepared from cobaltous nitrate hexahydrate and sodium molybdate in deionized water/ethylene glycol solution.
3：List of Experimental Equipment and Materials:
Materials include ethylenediamine, sodium molybdate, formaldehyde, resorcinol, ethylene glycol, cobaltous nitrate hexahydrate, ethanol, NaH2PO
4：Equipment includes electrochemical analyzer (CHI 760E), saturated mercuric oxide electrode, carbon plate, glassy carbon electrode, Ni foam. Experimental Procedures and Operational Workflow:
Synthesis involves preparing CoMoO4 NWs, coating with polybenzoxazine, calcination under N2, phosphating with NaH2PO
5：Electrochemical measurements in three-electrode cell with specific electrodes and conditions. Data Analysis Methods:
Linear sweep voltammetry, Tafel plots, electrochemical impedance spectroscopy, cyclic voltammetry, chronoamperometry, X-ray diffraction, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, inductively coupled plasma mass spectrometry, N2 adsorption-desorption, Raman spectroscopy.
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