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    Power generation using an activated carbon fiber felt cathode in an upflow microbial fuel cell

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    Type
    Article
    Authors
    Deng, Qian
    Li, Xinyang
    Zuo, Jiane.
    Ling, Alison
    Logan, Bruce E.
    Date
    2010-02
    Permanent link to this record
    http://hdl.handle.net/10754/599349
    
    Metadata
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    Abstract
    An activated carbon fiber felt (ACFF) cathode lacking metal catalysts is used in an upflow microbial fuel cell (UMFC). The maximum power density with the ACFF cathode is 315 mW m-2, compared to lower values with cathodes made of plain carbon paper (67 mW m-2), carbon felt (77 mW m-2), or platinum-coated carbon paper (124 mW m-2, 0.2 mg-Pt cm-2). The addition of platinum to the ACFF cathode (0.2 mg-Pt cm-2) increases the maximum power density to 391 mW m-2. Power production is further increased to 784 mW m-2 by increasing the cathode surface area and shaping it into a tubular form. With ACFF cutting into granules, the maximum power is 481 mW m-2 (0.5 cm granules), and 667 mW m-2 (1.0 cm granules). These results show that ACFF cathodes lacking metal catalysts can be used to substantially increase power production in UMFC compared to traditional materials lacking a precious metal catalyst. © 2009 Elsevier B.V.
    Citation
    Deng Q, Li X, Zuo J, Ling A, Logan BE (2010) Power generation using an activated carbon fiber felt cathode in an upflow microbial fuel cell. Journal of Power Sources 195: 1130–1135. Available: http://dx.doi.org/10.1016/j.jpowsour.2009.08.092.
    Sponsors
    This research is financially supported by the Foundation of Doctoral Scientific Research for Institutions of Higher Education, the Ministry of Education, China, the project number is 20060003078, and Award KUS-11-003-13 (to BEL) by King Abdullah University of Science and Technology (KAUST).
    Publisher
    Elsevier BV
    Journal
    Journal of Power Sources
    DOI
    10.1016/j.jpowsour.2009.08.092
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jpowsour.2009.08.092
    Scopus Count
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