以体积分别为8.0、4.5 L的单室空气阴极微生物燃料电池（MFC）为组件，构建宽式堆栈（WMFCs）和窄式堆栈（NMFCs）2种MFC堆栈（体积均为40 L），以乙酸钠为基质考察组件堆栈形成放大电池后性能的变化，并研究不同电路连接材料对堆栈产电性能的影响。兼顾经济性与运行可靠性选择镀锡紫铜条作为并联材料时，WMFCs的最大功率密度（P_max）为47.22 W/m³，NMFCs P_max为51.23 W/m³。而单个周期WMFCs回收能量为0.229 kWh/m³，相比NMFCs提升5.53%。通过接入自主设计的储能电路考察不同堆栈的能量收集情况，最终形成以WMFCs为主要放大电池工艺构型的MFC堆栈运行方案。

A wide multi-cell stack (WMFCs,40 L) and a narrow multi-cell stack (NMFCs,40 L) are respectively constructed by single-chamber microbial fuel cell (MFC) containing air cathodes with a volume of 8 L or 4.5 L.The performance changes of amplified battery formed by component stack is studied by using sodium acetate as substrate.Different materials of electrical connection are applied to study changes in performance about these stacks.The maximum power densities (P_max) of WMFCs and NMFCs are 47.22 W/m³ and 51.23W/m³,respectively when tinned copper strip with low cost and operational reliability is used in electrical connection.The energy recovered by WMFCs in a single cycle is 0.229 kWh/m³ while it is 0.217 kWh/m³ by NMFCs.A self-designed energy storage circuit is connected to investigate the energy collection of different stacks,and a suitable multi-cell stack operation program with WMFCs is completed through the research.

李铭全(1991-),男,硕士生