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This study evaluated the electrochemical performance of organic oxidation and anode-derived gas reduction through electrochemical measurements, gas chromatography (GC) tests, and experiments on in-situ CO2 reduction coupled with organic oxidation, and systematically analyzed the mechanisms by which key factors influenced the synergistic system. Electrochemical tests revealed that the Pt electrode exhibited optimal catalytic activity for glycerol (C3H8O3) in a 0.1mol/L Na2SO4 electrolyte, and anodically generated CO2 could be efficiently reduced at the cathode. Synergistic experimental results showed that at a Na2SO4 concentration of 0.1mol/L and a cathode potential of -1.8V (vs. SCE), the CO2 produced by anodic oxidation was converted to formic acid with maximum efficiency, achieving a carbon utilization efficiency (Uc) of 79.24%. The specific electrical energy consumption for formic acid production in the synergistic system decreased by 45.6%, and relative to the separate systems for electrocatalytic oxidation of C3H8O3 and CO2 reduction, the overall energy consumption was 65% lower. Analysis of the results indicated that operational parameters regulated the selectivity of anodic and cathodic reactions by modulating the current density and the supply of CO2 and H+.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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