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Visible-light photocatalytic fuel cell with Z-scheme g-C3N4/Fe0/TiO2 anode and WO3 cathode efficiently degrades berberine chloride and stably generates electricity
Separation and Purification Technology ( IF 8.1 ) Pub Date : 2018-11-29 , DOI: 10.1016/j.seppur.2018.11.089
Kané Rabé , Lifen Liu , Noor Ahmed Nahyoon , Yizhen Zhang , Ahmed Mahmoud Idris

A visible-light Z-scheme g-C3N4/Fe0/TiO2 anodic catalyst was tested with cathodic WO3 in photocatalytic Fuel Cell (PFC) that efficiently degrades berberine chloride and simultaneously generate electricity at pH 2,5,7 and 13. The Stainless-steel mesh electrodes loaded with prepared catalyst were irradiated by visible-light in single chamber PFC. The highest removal of berberine Chloride, cell voltage, and power density were 91%, 0.8 V, and 16.4 W/m2 at a current density of 2.02 mA/cm2, respectively after 90 min irradiation in 0.05 M Na2SO4 electrolyte, with 10 Ω external resistance. The impacts of pH and initial concentration of BEC on photocatalytic degradation and cell voltage were evaluated. The cell current density is enhanced while the photocatalyst activity increased. The constructed PFC maintained high-performance after 5 uses. Its use in degrading wide spectrum refractory pollutants and generate electricity is expected for the proved catalyst design, paired electrodes and high PFC performance for practical wastewater treatment.



中文翻译:

具有Z方案gC 3 N 4 / Fe 0 / TiO 2阳极和WO 3阴极的可见光光催化燃料电池可有效降解氯化小ber碱并稳定地发电

在光催化燃料电池(PFC)中使用阴极WO 3测试了可见光Z方案gC 3 N 4 / Fe 0 / TiO 2阳极催化剂,该电池可有效降解小efficiently碱氯化物,并同时在pH 2,5,7和13下发电在单室PFC中用可见光辐照负载有制备的催化剂的不锈钢网状电极。在0.05 M Na 2 SO 4中照射90分钟后,电流密度为2.02 mA / cm 2时,最高的黄连素氯​​化物,电池电压和功率密度的去除分别为91%,0.8 V和16.4 W / m 2电解质,外部电阻为10Ω。评估了pH和BEC初始浓度对光催化降解和电池电压的影响。电池电流密度增加,而光催化剂活性增加。经过5次使用,构建的PFC保持了高性能。经过实践证明的催化剂设计,成对电极和高PFC性能用于实际废水处理,有望将其用于降解广谱耐火污染物和发电。

更新日期:2018-11-29
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