| Dedication | 5 |
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| Foreword | 6 |
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| Preface | 8 |
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| Contents | 11 |
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| About the Editors | 13 |
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| Chapter 1: Biologically Renewable Resources of Energy: Potentials, Progress and Barriers | 15 |
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| 1.1 Introduction | 15 |
| 1.1.1 Energy | 15 |
| 1.1.2 Energy Resources and Sustainable Development | 16 |
| 1.1.3 Current Scenario of World’s Energy Usage | 16 |
| 1.2 Renewable Energy Resources | 18 |
| 1.2.1 Potential of Biological Energy Resources | 18 |
| 1.2.2 Potential and Progress of Biomass Utilization as Biofuel | 20 |
| 1.2.3 Production of Ethanol from Biomass | 21 |
| 1.2.4 Production of Biodiesel from Biomass | 24 |
| 1.2.4.1 Production of Biodiesel from Microalgae | 24 |
| 1.2.4.2 Current Progress in Biodiesel Production | 28 |
| 1.2.4.3 Challenges with the Commercialization of Biodiesel | 28 |
| Harvesting | 29 |
| Drying | 29 |
| 1.2.5 Production of Biogas from Biomass | 30 |
| 1.3 Barriers of Utilization of Renewable Biological Energy Resources for Fuel Production | 30 |
| 1.4 Future Possibilities of Utilization of Renewable Biological Energy Resources for Fuel Production | 31 |
| 1.5 Concluding Remarks | 31 |
| References | 32 |
| Chapter 2: Microbial Fuel Cells: Fundamentals, Types, Significance and Limitations | 37 |
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| 2.1 Introduction | 37 |
| 2.2 Basic Configuration and Mechanism of MFC | 39 |
| 2.2.1 Anode Chamber | 39 |
| 2.2.2 Cathode Chamber | 42 |
| 2.2.3 Separator Membrane | 42 |
| 2.3 Mechanism of Pre-Treatment for Increased Power Output | 43 |
| 2.3.1 Pre-Treatment of Electrode for Increased Power Output | 44 |
| 2.3.2 Pre-Treatment of Substrate for Increased Power Output | 44 |
| 2.3.2.1 Physical/Chemical Pre-Treatment | 44 |
| 2.3.2.2 Biological Treatment | 45 |
| 2.4 Classification | 45 |
| 2.4.1 Based on Mediator | 45 |
| 2.4.2 Based on Dependency of Microbial Nutrition | 49 |
| 2.4.2.1 Phototrophic MFC | 49 |
| 2.4.2.2 Heterotrophic MFC | 50 |
| 2.4.2.3 Mixotrophic MFC | 50 |
| 2.4.3 Based on Dependency of Light | 51 |
| 2.4.4 Based on Dependency of Temperature | 51 |
| 2.4.5 Based on Configuration | 52 |
| 2.5 Proposed Application of MFC | 52 |
| 2.6 Barriers and Challenges in MFC | 54 |
| 2.7 Conclusion | 55 |
| References | 55 |
| Chapter 3: Plant Microbial Fuel Cell Technology: Developments and Limitations | 63 |
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| 3.1 Introduction | 63 |
| 3.2 General Architecture of a Plant Microbial Fuel Cell | 64 |
| 3.3 Anode Materials for Plant Microbial Fuel Cells | 65 |
| 3.4 Cathode Materials for Plant Microbial Fuel Cells | 72 |
| 3.5 Plants Used in MFC Systems | 72 |
| 3.6 Microbial Community Found in Plant Microbial Fuel Cells | 73 |
| 3.7 Improvements, Limitations, and Future Research for Plant Microbial Fuel Cells | 73 |
| References | 75 |
| Chapter 4: Current Advances in Paddy Plant Microbial Fuel Cells | 80 |
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| 4.1 Introduction | 80 |
| 4.2 Test Materials and Methods | 81 |
| 4.3 Results and Discussion | 85 |
| 4.3.1 Experiment Using Bucket of 13 L with Carbon Fiber and Activated Bamboo Charcoal as Electrodes | 85 |
| 4.3.2 Experiment Using PET Bottle of 500 mL with Activated Bamboo Charcoal for Anode and Cathode | 86 |
| 4.4 Conclusions | 90 |
| References | 92 |
| Chapter 5: Algal Microbial Fuel Cells—Nature’s Perpetual Energy Resource | 94 |
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| 5.1 Current Scenario | 94 |
| 5.1.1 Microbial Fuel Cells (MFCs) | 95 |
| 5.1.2 Algae | 96 |
| 5.1.3 Experimental Setup of MFCs | 97 |
| 5.2 Electrode Materials | 98 |
| 5.2.1 Properties of Electrode Materials | 98 |
| 5.3 Materials Used for the Anode | 99 |
| 5.4 Materials Used for the Cathode | 100 |
| 5.5 Membranes | 101 |
| 5.6 Integration of Algae in MFCs | 101 |
| 5.7 Different Types of PMFC Configurations | 102 |
| 5.8 Coupled PMFCs | 103 |
| 5.9 Single-Chambered PMFCs | 105 |
| 5.10 Dual-Chambered PMFCs | 106 |
| 5.11 Sediment MFCs (SMFCs) | 112 |
| 5.12 Twelve-Reactor Algal Fuel Cells | 113 |
| 5.13 Nine-Cascade Algal Fuel Cells | 114 |
| 5.14 Anode Assistance with Phototrophic Microorganisms | 115 |
| 5.15 Anode-Assisted Electrochemical Catalysis | 115 |
| 5.16 Substrates as End Products | 117 |
| 5.17 Cathode Assistance with Phototrophic Microorganisms | 117 |
| 5.18 Oxygen Production | 117 |
| 5.19 Carbon Dioxide Utilization | 118 |
| 5.20 Production of Biomass | 119 |
| 5.21 Treatment of Wastewater | 120 |
| 5.22 Illumination Effects | 120 |
| 5.23 Challenges and Prospects | 121 |
| 5.24 Future Perspectives of PMFCs | 122 |
| 5.25 Conclusion | 123 |
| References | 124 |
| Chapter 6: Fungal Fuel Cells: Nature’s Perpetual Energy Resource | 130 |
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| 6.1 Microbial Fuel Cell: Brief Introduction | 130 |
| 6.2 Introduction to Fungal Microbial Fuel Cell | 13
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