Abstract：The Polypyrrole/Titanium dioxide (PPy/TiO2) photocathode was prepared by chemical oxidation using anhydrous ferric chloride as oxidant and carbon paper as substrate. The photocatalytic materials were characterized by XRD, IR and SEM. A dual-chamber microbial fuel cell (MFC) was constructed with carbon paper as anode and carbon paper, TiO2 and PPy/TiO2 modified carbon paper as cathode, respectively. The wastewater treatment efficiency, electricity generating performance and the leaching of lithium cobaltate in the cathode chamber were investigated by using MFCs under light condition. The results showed that the maximum power density of PPy/TiO2 modified carbon paper was 10425.7mW/m2, which was 1.97 and 1.86 times the power density of carbon paper and TiO2 modified carbon paper respectively, and the cathodic Co(Ⅱ) leaching rate of PPy/TiO2 modified carbon paper was 47.8%, which was 1.87 and 1.76 times that of carbon paper and TiO2 modified carbon paper, respectively.
徐杰, 刘维平. PPy/TiO2光催化微生物燃料电池产电及在钴酸锂浸出中的应用[J]. 中国环境科学, 2020, 40(10): 4378-4384.
XU Jie, LIU Wei-ping. Electricity generation of PPy/TiO2 photocatalytic microbial fuel cell and its application in the leaching of lithium cobaltate. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(10): 4378-4384.
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