Air cathode, preparation method of air cathode and microbiological fuel cell
An air cathode and anode technology, which is applied in the fields of materials, energy, and the environment, can solve problems such as the complexity of the preparation process, and achieve the effects of improving electrode performance, improving electrode conductivity, improving efficiency and effectiveness
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[0076] Example 1: Preparation of catalyst layer
[0077] Cut the 40-mesh nickel net into a 4cm×8cm rectangle, and put it in distilled water for ultrasonic cleaning for 5-10 minutes to remove dust and other impurities on the surface of the nickel net. The cleaned nickel mesh is crimped into a shape that can be placed in a quartz boat to ensure that there is no contact between the nickel meshes and the reaction gas can be well contacted. Place the nickel mesh on the quartz boat. The quartz boat is connected to a copper wire. The iron wire is wound around the end of the copper wire, and the quartz boat is slowly pushed into the middle of the reaction chamber. Ensure that the wire part remains outside the reaction chamber. Wind a heating tape in the preheating zone and set the temperature to 270 degrees Celsius. Check the air-tightness of the reaction device. If the air-tightness is good, pass in argon gas at 300 mL / min to exhaust the air in the device. The furnace temperature of ...
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[0078] Example 2: Preparation of catalyst layer
[0079] Referring to Example 1, the difference is that the injection rate of acetonitrile is 10 μL / min, and the injection time is 5 minutes.
Example Embodiment
[0080] Example 3: Preparation of catalyst layer
[0081] Referring to Example 1, the difference is that the injection rate of acetonitrile is 20 μL / min, and the injection time is 5 minutes.
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