期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 855, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2019.113497
关键词
Microbial fuel cell; Anodization; Cyclic voltammetry
资金
- Provincial Natural Science Foundation of Jiangsu, China [BK20171351]
- Japan Society for the Promotion of Science [P19056]
- National Natural Science Foundation of China [21806128, 51828801]
- Fundamental Research Funds for the Central Universities [2242016K41042]
- Scientific Research Foundation of Graduate School of Southeast University [3203009704]
The application of metal electrodes in microbial fuel cell (MFC) anodes is limited by their poor biocompatibility. In this study, needle-like Fe3O4/Fe2O3 nanorods were produced on 304 stainless steel plates by simple cyclic voltammetry (CV) treatment after anodization to enhance the current output. A maximum current of 7.11 +/- 0.24 A/m(2) was achieved after CV, twice as high as that without CV. The higher current output of the anode resulted from active redox substances involved in electron transfer. Analysis of the contact angle and laser scanning confocal microscopy showed that hydrophilicity promoted the enrichment of bacteria on the stainless steel. Therefore, this is a simple method for preparing high-performance electrodes.
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