While using sugar solution as binding agent for microbial fuel, the electrode dissolved in waste water as well as salt water. Seeking suitable guidelines to make carbon electrode and MFC setup.
You can use the technique of pyrolysing coal-tar pitch mixed with fine sulfur. See e.g.:
Clausse, V., Bastien, T., Hoppe, S., Marêché, J. F., Fierro, V., & Celzard, A. (2009). Investigation of pitch–sulphur mixtures used as binder in the preparation of black ceramics. Materials Chemistry and Physics, 116(2-3), 619-630.