微生物燃料电池的格子Boltzmann模型
Modelling Microbial Fuel Cells using lattice Boltzmann methods
摘要：
控制微生物燃料电池（MFC）的生物电化学过程的准确建模和根据几个参数绘制其行为将促进MFC技术的发展，并使其在明确定义的应用中成功实施。电极的几何形状是确定MFC效率的关键参数之一，因为在阳极电极上形成了嗜阳极细菌的生物膜，这是装置功能的决定性因素。我们模拟的MFC中的生物电化学过程，同时考虑到电极的几何形状。即，格子Boltzmann方法被用来模拟流体动力学和对流扩散现象的阳极室。该模型是验证的电压和电流输出的一个单一的MFC来自实验室实验下的连续流。
英文摘要：
An accurate modelling of bio-electrochemical processes that govern Microbial Fuel Cells (MFCs) and mapping their behaviour according to several parameters will enhance the development of MFC technology and enable their successful implementation in well defined applications. The geometry of the electrodes is among key parameters determining efficiency of MFCs due to the formation of a biofilm of anodophilic bacteria on the anode electrode, which is a decisive factor for the functionality of the device. We simulate the bio-electrochemical processes in an MFC while taking into account the geometry of the electrodes. Namely, lattice Boltzmann methods are used to simulate the fluid dynamics and the advection-diffusion phenomena in the anode compartment. The model is verified on voltage and current outputs of a single MFC derived from laboratory experiments under continuous flow.
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