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Table 1 Comparative list of closed-loop areaa of CV scanning profiles (unit: V μA)

From: Deciphering optimal biostimulation strategy of supplementing anthocyanin-abundant plant extracts for bioelectricity extraction in microbial fuel cells

  Cycle 2 Cycle 10 Cycle 20 Cycle 50 Cycle 100
L. ruthenicm Murr. 5.60 4.92 4.66 4.58 4.57
C. ternatea Linn. 5.32 5.24 4.56 3.83 3.46
Vaccinium Spp. 4.21 4.09 3.75 3.16 2.97
  1. a\({\text{Area}} = \mathop \smallint \nolimits_{{V_{\text{L}} }}^{{V_{\text{H}} }} \left( {i_{\text{h}} - i_{\text{l}} } \right){\text{d}}V\). The parameters VH, VL represented the CV scanning voltages of + 1.5 V and − 1.5 V at cycle n, respectively; ih, il denoted the oxidation and reduction currents at specific scan voltage, respectively