A kind of preparation method and application of polyaniline cathode material for microbial electric Fenton fuel cell
A technology for fuel cells and cathode materials, applied in the field of green energy and environmental engineering, can solve problems such as low power generation efficiency, and achieve the effects of simple operation, avoiding secondary pollution and good treatment effect
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Embodiment 1
[0031] The invention provides a preparation method of a polyaniline cathode material for a microbial electro-Fenton fuel cell, which comprises the following steps:
[0032] The first step Electrodeposition of polyaniline on carbon brush
[0033] S1: a. Pretreatment of carbon brushes: first soak the carbon brush material with acetone for 10h, and then calcine it in a muffle furnace at 450°C for 0.5-1h;
[0034] b. Cyclic voltammetry electrodeposition: ultrasonically treat the pretreated carbon brushes in 130 mL of electrolyte for 5 min, wherein the electrolyte is composed of the following components in terms of molar mass concentration: 0.1 mol / L aniline, 0.5 mol / L H 2 SO 4 , the solvent is water; then a cyclic voltammetry scan was performed in the electrolyte, starting with 1 cycle of cyclic voltammetry in the potential range from –0.2 to 1.2 V, with a scan rate of 10 mV s –1 ; then 0 cycles of cyclic voltammetry in the potential range –0.2 to 0.8 V, still at a scan rate of...
Embodiment 2
[0044] The invention provides a preparation method of a polyaniline cathode material for a microbial electro-Fenton fuel cell, which comprises the following steps:
[0045] The first step Electrodeposition of polyaniline on carbon brush
[0046] S1: a. Pretreatment of carbon brushes: first soak the carbon brush material with acetone for 10h, and then calcine it in a muffle furnace at 450°C for 0.5-1h;
[0047] b. Cyclic voltammetry electrodeposition: ultrasonically treat the pretreated carbon brushes in 130 mL of electrolyte for 5 min, wherein the electrolyte is composed of the following components in terms of molar mass concentration: 0.1 mol / L aniline, 0.5 mol / L H 2 SO 4 , the solvent is water; then a cyclic voltammetry scan was performed in the electrolyte, starting with 1 cycle of cyclic voltammetry in the potential range from –0.2 to 1.2 V, with a scan rate of 10 mV s –1 ; 1 cycle of cyclic voltammetry in the potential range of –0.2 to 0.8 V, still at a scan rate of 10...
Embodiment 3
[0057] The invention provides a preparation method of a polyaniline cathode material for a microbial electro-Fenton fuel cell, which comprises the following steps:
[0058] The first step Electrodeposition of polyaniline on carbon brush
[0059] S1: a. Pretreatment of carbon brushes: first soak the carbon brush material with acetone for 10h, and then calcine it in a muffle furnace at 450°C for 0.5-1h;
[0060] b. Cyclic voltammetry electrodeposition: ultrasonically treat the pretreated carbon brushes in 130 mL of electrolyte for 5 min, wherein the electrolyte is composed of the following components in terms of molar mass concentration: 0.1 mol / L aniline, 0.5 mol / L H 2 SO 4 , the solvent is water; then a cyclic voltammetry scan was performed in the electrolyte, starting with 1 cycle of cyclic voltammetry in the potential range from –0.2 to 1.2 V, with a scan rate of 10 mV s –1 ; 4 more cycles of cyclic voltammetry in the potential range of –0.2 to 0.8 V, still at a scan rate...
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