Firmly coating carbon nanoparticles onto titanium as high performance anodes in microbial fuel cells

被引：15
作者：
Pu, Kai-Bo [1 ]
Zhang, Kai [2 ]
Guo, Kun [3 ]
Min, Booki [4 ]
Chen, Qing-Yun [2 ]
Wang, Yun-Hai [1 ]
机构：
[1] Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian 710049, Peoples R China
[2] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
[3] Xi An Jiao Tong Univ, Dept Chem Engn, Xian 710049, Peoples R China
[4] Kyung Hee Univ, Dept Environm Sci & Engn, Seoul, South Korea
来源：
ELECTROCHIMICA ACTA | 2021年 / 399卷
关键词：
Carbon nanoparticles; Microbial fuel cells; Coating; Titanium; Candle soot; OXYGEN REDUCTION REACTION; MODIFIED STAINLESS-STEEL; CANDLE SOOT; POWER-GENERATION; CATHODE CATALYST; ELECTRODE; GRAPHITE; BLACK; COMPOSITE; MESH;
D O I：
10.1016/j.electacta.2021.139416
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A microbial fuel cell (MFC) is a typical bio-electrochemical system for both wastewater treatment and green energy production. The bioanode is a key factor that affects the performance of MFC. In this study, a novel and low-cost carbon nanoparticles (CNPs) coated titanium bioanode (CNPs/Ti) was prepared. Compared with previous candle soot derived CNPs coating method, the present coating method includes further fuel combustion and heat treatment to improve the film adhesion and hydrophilic properties. This CNPs/Ti bioanode showed not only higher surface area and conductivity but also better biocompatibility. After CNPs modification, the maximal power density increased from 0.625 mW m - 2 to 616 mW m - 2 . This power density is also comparable to some carbon materials. Meanwhile, the CNPs/Ti anode was cost-effective. Therefore, this CNPs/Ti composite is a promising anode material in MFCs. (c) 2021 Elsevier Ltd. All rights reserved.
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页数：9
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