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The flat-plate plant-microbial fuel cell: the effect of a new design on internal resistances

Overview of attention for article published in Biotechnology for Biofuels and Bioproducts, September 2012
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Title
The flat-plate plant-microbial fuel cell: the effect of a new design on internal resistances
Published in
Biotechnology for Biofuels and Bioproducts, September 2012
DOI 10.1186/1754-6834-5-70
Pubmed ID
Authors

Marjolein Helder, David PBTB Strik, Hubertus VM Hamelers, Cees JN Buisman

Abstract

Due to a growing world population and increasing welfare, energy demand worldwide is increasing. To meet the increasing energy demand in a sustainable way, new technologies are needed. The Plant-Microbial Fuel Cell (P-MFC) is a technology that could produce sustainable bio-electricity and help meeting the increasing energy demand. Power output of the P-MFC, however, needs to be increased to make it attractive as a renewable and sustainable energy source. To increase power output of the P-MFC internal resistances need to be reduced. With a flat-plate P-MFC design we tried to minimize internal resistances compared to the previously used tubular P-MFC design. With the flat-plate design current and power density per geometric planting area were increased (from 0.15 A/m2 to 1.6 A/m2 and from 0.22 W/m2 to and 0.44 W/m2)as were current and power output per volume (from 7.5 A/m3 to 122 A/m3 and from 1.3 W/m3 to 5.8 W/m3). Internal resistances times volume were decreased, even though internal resistances times membrane surface area were not. Since the membrane in the flat-plate design is placed vertically, membrane surface area per geometric planting area is increased, which allows for lower internal resistances times volume while not decreasing internal resistances times membrane surface area. Anode was split into three different sections on different depths of the system, allowing to calculate internal resistances on different depths. Most electricity was produced where internal resistances were lowest and where most roots were present; in the top section of the system. By measuring electricity production on different depths in the system, electricity production could be linked to root growth. This link offers opportunities for material-reduction in new designs. Concurrent reduction in material use and increase in power output brings the P-MFC a step closer to usable energy density and economic feasibility.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 147 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Belgium 2 1%
Indonesia 1 <1%
Italy 1 <1%
United Kingdom 1 <1%
Unknown 142 97%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 34 23%
Student > Ph. D. Student 26 18%
Student > Master 17 12%
Researcher 16 11%
Student > Postgraduate 6 4%
Other 14 10%
Unknown 34 23%
Readers by discipline Count As %
Chemical Engineering 23 16%
Environmental Science 20 14%
Agricultural and Biological Sciences 16 11%
Engineering 16 11%
Chemistry 9 6%
Other 26 18%
Unknown 37 25%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 25 April 2016.
All research outputs
#14,599,159
of 25,373,627 outputs
Outputs from Biotechnology for Biofuels and Bioproducts
#741
of 1,578 outputs
Outputs of similar age
#106,298
of 189,226 outputs
Outputs of similar age from Biotechnology for Biofuels and Bioproducts
#9
of 14 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 41st percentile – i.e., 41% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,578 research outputs from this source. They receive a mean Attention Score of 4.9. This one has gotten more attention than average, scoring higher than 52% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 189,226 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 14 others from the same source and published within six weeks on either side of this one. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.