Investigation of Bioenergy in Powering IoT Sensors


Albadani, Mohammed and Lim, Heng Siong and Chong, Peng Lean (2022) Investigation of Bioenergy in Powering IoT Sensors. In: 2nd FET PG Engineering Colloquium Proceedings 2022, 1-15 December 2022, Multimedia University, Malaysia. (Unpublished)

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Microbial fuel cells (MFCs) are a promising technology for generating electricity from a wide range of natural organic matter. The combination of organic materials and microorganisms in the soil can create sustainable and environmentally friendly electrical energy for wireless power sensors. The microorganisms produce electrons by oxidizing the organic matter. Electrons flow to the anode and then to the cathode electrode through an external circuit, producing electricity due to the difference in potential between the electrodes. The electrode materials significantly impact the performance and cost of MFC. Electrode materials have different physical and chemical characteristics, influencing microbial attachment, electron transfer, and electrode resistance. Therefore, choosing and developing appropriate electrode materials is essential to improving MFC performance. As a result, the primary purpose of this study is to improve the performance of the MFC and to develop an independent renewable power source able to supply electricity to IoT devices. Different electrode materials were investigated and modified with several chemical materials and composite solutions. Several experiments were conducted to choose the best electrode modification and optimal electrode combination. The power management system was developed and connected to MFC. The best material and electrode modifications were identified based on the highest harvested power. The MFC's performance was improved by implementing the best combination of modified electrodes. The MFC was able to charge a rechargeable battery through the power management system, and IoT devices were successfully operated. The unavailability of materials and equipment can be a limitation when performing some experiments. Furthermore, a long-term investigation of the electrodes' performance and output power is required to investigate MFC stability. The electrodes were modified to enhance MFC performance using a simple and low-cost modification approach. Furthermore, an independent renewable power source that provides enough electricity for IoT devices was developed.

Item Type: Conference or Workshop Item (Other)
Uncontrolled Keywords: Microbial fuel cell, electrode modification, bioelectricity, bioenergy
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA164 Bioengineering
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Nurul Iqtiani Ahmad
Date Deposited: 16 Feb 2023 08:05
Last Modified: 16 Feb 2023 08:05


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