声明
致谢
List of Abbreviations
List of Symbols
List of Figures
List of Tables
Chapter 1: General introduction
1.1 Renewable energy
1.2 Overview of microbial fuel cell (MFC)
1.3.1 Wastewater treatment
1.3.2 Biological production of hydrogen
1.3.3 Batteries for biosensing
1.4 Biological aspect of MFC
1.4.1 Electroactive microorganisms (EAMs)
1.4.2 Biofilm formation
1.4.3 Electron transfer mechanism
1.5 Physical aspect of MFC
1.5.1 Substrates used for MFC
1.5.2 Temperature
1.5.3 pH
1.6 MFC configuration and materials
1.6.1 Reactor configuration
1.6.2 Separator
1.6.3 External Resistance
1.6.4 Electrode materials and modification
1.7 Hypotheses
1.8 Objective and thesis overview
Chapter 2: Strain screening and acclimation for xylose-fueled MFC
2.1 Introduction
2.2 Materials and methods
2.2.1 Materials
2.2.2 MFC system operation
2.2.3 Strain isolation technique and growth conditions
2.2.4 Strain characterization and growth rate
2.2.5 DNA extraction and phylogenetic analysis
2.3 Results and discussions
2.3.1 Strain identification and characterization
2.3.5 Bioelectricity generation from MFC with strain JSUX1
2.4 Conclusion
Chapter 3: Simultaneous biohydrogen and bioelectricity production from xylose in MFC by newly isolated yeast of Cystobasidium
3.1 Introduction
3.2 Materials and methods
3.2.1 Acclimation strategy
3.2.2 MFC configuration
3.2.3 Electrochemical analysis
3.2.4 Analytical methods
3.3 Results and discussions
3.3.1 Strain Acclimation
3.3.2 MFC performance
3.3.3. Underlying extracellular electron transfer mechanism for JSUX1
3.3.4 Enhanced bioelectricity production with exogenous addition of riboflavin
3.3.5 Xylose metabolism in MFC
3.3.6 Biofilm stability and viability in MFC
3.4 Conclusion
Chapter 4: Polyaniline modification of electrodes for performance enhancement of xylose-fueled MFC
4.1. Introduction
4.2. Materials and methods
4.2.1 Precursor deposition of Polyaniline (PANI)
4.2.2 MFC set-up and operation
4.2.3 Electrochemical measurement
4.2.4 Analytical techniques
4.3. Results and discussions
4.3.1 PANI modification and characterization
4.3.2 Enhanced MFC performance by PANI modified electrode
4.3.3 Electrochemical analysis
4.4. Conclusion
Chapter 5: In-situ assembly of 3D graphene hydrogel electrode for performance enhancement of xylose-fueled MFC
5.1 Introduction
5.2 Materials and methods
5.2.1 Fabrication of 3D reduced graphene oxide electrodes
5.2.2 Characterization
5.2.3 Electrochemical analysis
5.3. Results and discussions
5.3.1 In-situ assembly of 3D-rGO hydrogel electrode and characterization
5.3.2 Enhanced MFC performance by graphene hydrogel electrode
5.3.3 Electrochemical analysis
5.4. Conclusion
Chapter 6: General conclusions and perspectives
6.1 Summaries
6.2 Novelties
6.3 Future works
参考文献
Appendices
Publications
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