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中文摘要：
取葡萄糖浓度2 000 mg/L,介体浓度1.66×10-1 mmol/L,考察电池长达13天运行过程中的电化学性能变化.电池启动约1.5h后,开路电压达到最大,电池运行进入平台期.传荷阻抗由第1天的216 Ω减小到第4天的76.52 Ω,此时生物膜完全成熟,运行平稳且状态佳.至第13天时,传荷阻抗已经增大至1 657 Ω,长期运行导致生物膜的电化学活性降低,电池产电能力大大下降.
英文摘要：
Taking the glucose concentration of 2 000 mg/L,the mediator concentration of 1.66 ×10-1 mmol/L,the MFC was operated for up 13.The experiment identified the influence of the long running to the MFC＇s electrochemical behavior.It took 1.5 h for starting up,attained its maximum output voltage,then entered plateaus.The charge transfer resistance decreased from 216 Ω2 to 76.52 Ω,manifesting the biofilm had become immature completely,it operated steadily.To the 13th day,the charge transfer resistance has increased by up to 1 657 Ω,the long time nmning leaded to the greatly decrease of biofilm electrochemical activity,The capacity of MFC＇s producing electricity decreased greatly.
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