TiO_2纳米孔阵列光催化废水燃料电池的性能研究

Study on a TiO_2-nanopore-array-based photocatalytic fuel cell using organic wastewater as substrates for electricity generation

以模拟有机废水和实际有机废水为研究对象,以TiO2纳米孔阵列电极作光阳极,金属铂黑做阴极,设计了一种光催化废水燃料电池(PFC),用于有机废水处理和废水有机物化学能的综合利用.论文考查了不同实验条件下组成的电池体系的性能,表明基于TiO2纳米孔阵列光阳极的光催化废水燃料电池既能处理废水又能够表现出良好的电池性能,如以0.05mol/L乙酸为底物的光催化废水燃料电池,其开路电压1.16V,短路电流1.28mA/cm2,最大输出功率密度0.28mW/cm2.

In this paper, a photocatalytic fuel cell system was designed using a high-performance TiO2 nanopore array electrode as anode and a Pt-black/Pt electrode as cathode for generation of electricity and simultaneously wastewater treatment. Various model compounds including the refractory compounds as well as real wastewater samples were used as substrate for the PFC system. The results showed that the PFC generated the excellent cell performance,for example,when acetic acid（0.05mol/L） as the substrateof the PFC, produces open-circuit voltage （Voc）1.16V, short-circuit current density （Jsc） 1.28 mA/cm2 and maximum power density（（JV）max） 0.28mW/cm2.