A solar responsive photocatalytic fuel cell with the membrane electrode assembly design for simultaneous wastewater treatment and electricity generation
A solar responsive photocatalytic fuel cell with the membrane electrode assembly design for simultaneous wastewater treatment and electricity generation
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具有膜电极组件设计的太阳能响应光催化燃料电池，可同时进行废水处理和发电
DOI：
10.1016/j.jhazmat.2018.07.031
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发表时间：
2018-09-15
影响因子：
13.6
通讯作者：
Yu, Youxu
中科院分区：
文献类型：
--
作者：
He, Xuefeng;Chen, Ming;Yu, Youxu
本文设计了一种具有膜电极组件（MEA）结构的光催化燃料电池（PFC），用于同时降解有机化合物和发电。对于光阳极，采用具有CdS-ZnS量子点敏化的TiO2拓宽了对可见光的吸收光谱。阴极采用吸气模式来增强氧的输运。在不同的操作条件下，包括光强、液体流速、电解质浓度和有机物浓度，对所开发的PFC的性能进行了评估。结果表明，所设计的PFC具有良好的性能。光强和电解质浓度的增加可以改善PFC的性能。当流量增加时，PFC性能在测试范围内下降。有机物浓度过高导致PFC性能下降。
In this work, a photocatalytic fuel cell (PFC) with membrane electrode assembly (MEA) structure was designed for simultaneous organic compounds degradation and electricity generation. For the photoanode, the TiO2 with the quantum-dot sensitization by CdS-ZnS was used to broaden the absorption spectrum to visible light. For the cathode, an air-breathing mode was utilized to enhance the oxygen transport. The performance of the developed PFC was evaluated under different operation conditions, including the light intensity, liquid flow rate, concentrations of electrolyte and organics. Results indicated that the designed PFC could yield good performance. The increase of the light intensity and electrolyte concentration could improve the PFC performance. It is also found that when the flow rate was increased, the PFC performance dropped down in the testing range. Too high organics concentration led to the decrease of the PFC performance.