A method for constructing a plant-microbe fuel cell
A fuel cell and microorganism technology, applied in the field of plant-microbial fuel cells, can solve problems such as affecting the power generation performance of P-MFC
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Embodiment 1
[0029] An embodiment of a method for constructing a plant microbial fuel cell according to the present invention, the method described in this embodiment comprises the following steps:
[0030] (1) Preparing the matrix: take the soil below 50 cm depth from the riverside wetland, air-dry it, and grind it through a 100-mesh sieve to obtain the matrix.
[0031] (2) Plant materials and propagation and cultivation: Four plants, namely Panicum paludosum, Cyperus malaccensis var. brevifolius, Pycreus polystachyus and Paspalumpaspaloides, were selected as experimental materials. About 15-20cm healthy stem section or seedling with buds, put it in a plastic bucket with sandy soil and organic matter content of 0.9% for rooting and culture, take it out after 2 weeks, wash the root system and transfer it to the substrate in step (1) grown in plastic pots.
[0032] (3) Construct a single-chamber air-cathode P-MFC without an ion-exchange membrane: use a Φ21cm high 20cm black plastic drum as...
Embodiment 2
[0047] The method of this embodiment is the same as that of Embodiment 1 except that the cathode and anode electrodes in step (3) are made of platinum-containing catalyst composite material, and the wire is copper wire.
[0048] The result of this embodiment is similar to that of Embodiment 1, and will not be repeated here.
Embodiment 3
[0050] The method of this embodiment is the same as that of Embodiment 1 except that the cathode and anode electrodes in step (3) are made of carbon cloth, and the wires are silver wires.
[0051] The result of this embodiment is similar to that of Embodiment 1, and will not be repeated here.
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