文献速递|北京林业大学CEJ:新型 CuBi2O4 阳极上电化学诱导的金属氧键 Cu(II)-·SO5- 用于高效PMS活化

第一作者：Yatao Liu

通讯作者：齐飞 教授

通讯单位：北京林业大学环境科学与工程学院

DOI:10.1016/j.cej.2024.153378

Fig. 1. The catalyst drop-casting method to fabricate CuBi2O4 electrodes.

Fig. 2. The precursor drop-casting method to fabricate CuBi2O4 electrodes.

Fig. 3. PMT removal efficiency: (a) and (b) comparison of CuBi2O4 electrode activated PMS with CuBi2O4 catalyst activated PMS and pure FTO electrode electro-activated PMS; (c) the ability of CuBi2O4 electrode to activate PMS with different catalyst loads. (Reaction condition: [PMT]0 = 0.045 mmol/L, [PMS]0 = 0.65 mmol/L, [Na2SO4] = 50 mmol/L, j = 5 mA/cm2, GBE = 2 cm).

Fig. 4. (a) Surface and cross-sectional SEM images of CuBi2O4 electrodes with different loads of catalyst; Effect of load on (b) pore diameter and (c) thickness of CuBi2O4 electrode.

Fig. 5. (a) XRD patterns of CuBi2O4 electrodes with different loads; (b) CV curves, (c) LSV curves, and (d) Tafel curves of CuBi2O4 anodes with different loads; (e) and (f) Fitting results of theoretical number of active sites on CuBi2O4 anode surface with different loads.

Fig. 6. Effect of (a) current density, (b) plate spacing, (c) PMS concentration, (d) initial PMT concentration, (e) initial pH on the degradation performance of PMT; (f) Dissolution of metal ions at the end of the reaction at different initial pH values.