| abstract |
Disclosed are a microbial fuel cell cathode excellent in water resistance, a method for producing the same, and a microbial fuel cell. A cathode 30 for a microbial fuel cell is manufactured by applying silicone to one surface of an electrode substrate 31 having electron conductivity and gas permeability to form a water stop layer 32. Electrolyte 10 holding electrolytic solution S, microorganisms and a substrate for oxidative decomposition by microorganisms, anode 20 arranged inside the tank of electrolytic tank 10, and a tank body part of electrolytic tank 10, one side is outside the tank In the microbial fuel cell 1 including the cathode 30 that contacts air and the other surface contacts the electrolyte S, a water-stopping layer 32 containing silicone is formed on one surface of the cathode 30 that contacts the air. The water blocking layer 32 contains a conductive material, and the conductive material is carbon black. The cathode has a water resistance of 100 kPa or more. [Selection] Figure 1 |