[DIYbio] Microbial Fuel Cell

Hi everyone,

I'm interested in constructing a microbial fuel cell (several actually) and thought I would ask the group to see if anyone has experience with them.

I've been looking at tutorials online and am probably going to build the standard, 2-chamber design MFC to get started. It will likely be quite large (so as to get enough voltage) but eventually I want to scale down and be more compact and efficient. I've been reading Bruce Logan's excellent work in this area. Apparently, there is a single chamber air cathode, PEM-less design that he demonstrates that seems to work better (i.e. generates more power) than the standard two chamber designs with a PEM. Any thought pointers, or even design specs and/or instructions you can provide on MFC chambers would be appreciated.

I am also interested in plant-based MFCs. I was thinking of using Glyceria maxima (Reed Sweetgrass) but since its an invasive species I'd rather go with something native to the Pacific Northwest. If anyone can recommend a good plant for an MFC that is easy to get in the Vancouver area, please let me know!

Best,
Carlos



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