以PBAs纳米粒子为模板，通过简单共沉淀法、水热反应法和气相沉积法制备出多金属磷化物NiVP-PBA/g-C₃N₄复合材料。利用电子显微镜、X射线衍射仪、N₂吸附/解吸测试仪、电化学工作站等对复合材料进行表征分析。结果表明，NiVP-PBA/g-C₃N₄材料具有中空核壳立方体结构，g-C₃N₄作为高导电性的改性剂均匀包裹在NiVP立方体外。此外，该材料的比表面积为23.43 m²/g，比电容达到80.09 F/g，具有77.63 mg/g的高脱盐能力。中空核壳结构的NiVP-PBA/g-C₃N₄电极具有优良的脱盐能力。

Polymetallic phosphide NiVP-PBA/g-C₃N₄ composites are obtained by utilizing a simple co-precipitation method,a hydrothermal reaction method,and a vapor phase deposition method with PBAs nanoparticles as templates.Electron microscope,X-ray diffractometer,N₂ adsorption/desorption tester,and electrochemical workstation are employed to characterize and analyze the composites.It is shown that NiVP-PBA/g-C₃N₄ material has a hollow core-shell cubic structure,and g-C₃N₄ is uniformly wrapped around NiVP cube as a highly conductive modifier.In addition,the material has a specific surface area of 23.43 m²·g^-1 and a specific capacitance of 80.09 F·g^-1,showing a high desalination capacity of 77.63 mg·g^-1.It can be seen that NiVP-PBA/g-C₃N₄ electrode with a hollow core-shell structure has excellent desalination ability and potential application prospects.

韦诗雨(1997-),女,硕士研究生,研究方向为电容去离子电极材料研究,931510459@qq.com