Bi-enzyme Biocatalysts Modified Anode Electrodes for Self-Pumping Glucose Oxidase Fuel Cells
碩士 === 國立中興大學 === 精密工程學系所 === 107 === This research aims to reduce hydrogen peroxide H2O2 by adding horseradish peroxidase (HRP) into the biocatalyst anode namely [TPA(HRP/GOx)] PEI/CNT to increase the cell performance. By utilizing cyclic voltammetry (CV) measurement, the electrochemical properties...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2019
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| Online Access: | http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5693006%22.&searchmode=basic |
| Summary: | 碩士 === 國立中興大學 === 精密工程學系所 === 107 === This research aims to reduce hydrogen peroxide H2O2 by adding horseradish peroxidase (HRP) into the biocatalyst anode namely [TPA(HRP/GOx)] PEI/CNT to increase the cell performance. By utilizing cyclic voltammetry (CV) measurement, the electrochemical properties of the new biocatalyst [TPA(HRP/GOx)] PEI/CNT with various GOx/HRP enzyme ratio will be optimized and achieved the best biocatalyst activity when the enzyme ratio is 1:2 (GOx:HRP). In addition, the microchemical structures of the new biocatalyst coated on CC electrode ([TPA(HRP/GOx)]PEI/CNT-CC(1:2)) and on carbon paper (CP) electrode ([TPA(HRP/GOx)]PEI/CNT-CP(1:2)) is tested by scanning electron microscope (SEM) and Fourier transform infrared (FTIR) analysis. Finally, the performance comparison between the self-pumping GEFC with [TPA(HRP/GOx)] PEI/CNT-CC(1:2) and [TPA(HRP/GOx)] PEI/CNT-CP(1:2) modified anodic electrode will be evaluated. The maximum power density of the self-pumping GEFC with [TPA(HRP/GOx)] PEI/CNT-CC(1:2) is 1.68mWcm-2 which is higher than that of the cell with [TPA(HRP/GOx)] PEI/CNT-CP(1:2) (1.31mWcm-2) and 86.66% improvement compared to the [TPA/GOx] PEI/CNT biocatalyst without adding the HRP (0.90mWcm-2) as well as the [TPA(HRP/GOx)] PEI/CNT-CC(1:2) biocatalyst stability can be maintained by 48% for 60 days.
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