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Table 1 Relationship between the size increase of MFC and the subsequent power-density decrease

From: Scaling-up of a novel, simplified MFC stack based on a self-stratifying urine column

  SSC-MFCs Air cathode MFCs [5]
M0.25 M5 Small Medium
Volume (mL) 250 1500 6.3 29.6
Power density ( W/m3) 13.836 12.596 0.440 0.378
Factor of volume increase ×6 ×4.7
Power-density decrease (%) 8.9 14.1