3 Biotech

, 8:375 | Cite as

One-step electrochemically synthesized graphene oxide coated on polypyrrole nanowires as anode for microbial fuel cell

  • Xuehua Li
  • Jiansheng QianEmail author
  • Xingge Guo
  • Liwei Shi
Letter to the Editor


A novel polypyrrole nanowires coated by graphene oxide (PPy-NWs/GO) has been successfully synthesized by one-step electrochemical method, whose structure was different from previously reported PPy/GO composites. The microbial fuel cell equipped with PPy-NWs/GO as anode was fabricated and compared with PPy-NWs ones. The SEM images show that the synthesized PPy-NWs/GO materials possess more surface areas than PPy-NWs. The electrochemical analysis indicated that PPy-NWs/GO anode had lower charge transfer resistance, which may be attributed to synergistic effect of them. The MFC equipped with PPy-NWs/GO anode have higher circle voltages and the power density is about 22.3 mW/m2, which is great higher than that of PPy-NWs about 15.9 mW/m2. These improvements of the MFCs may be due to more bacteria on the larger biofilms based on GO nanosheets, indicating that the PPy-NWs/GO is more effective anode for improving electricity generation.


Microbial fuel cell Polypyrrole nanowires Graphene oxide Anode Shewanella oneidensis MR-1 


Compliance with ethical standards

Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.

Supplementary material

13205_2018_1321_MOESM1_ESM.doc (461 kb)
Supplementary material 1 (DOC 461 KB)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Xuehua Li
    • 1
  • Jiansheng Qian
    • 2
    Email author
  • Xingge Guo
    • 2
  • Liwei Shi
    • 1
  1. 1.School of Physical Science and TechnologyChina University of Mining and TechnologyXuzhouPeople’s Republic of China
  2. 2.School of Information and Control EngineeringChina University of Mining and TechnologyXuzhouPeople’s Republic of China

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