Electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria
Abstract In farmlands, most electronic devices have no connection to a power source and have to work on batteries. To explore paddy soil as an in situ power source, herein, we in the present study constructed sediment microbial fuel cells (SMFCs) in paddy soil. An open circuit voltage of 1.596 V and...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2019-04-01
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| Series: | AMB Express |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s13568-019-0781-x |
| _version_ | 1819173186077458432 |
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| author | Yu Lu Li Liu Shaosong Wu Wenhui Zhong Yujun Xu Huan Deng |
| author_facet | Yu Lu Li Liu Shaosong Wu Wenhui Zhong Yujun Xu Huan Deng |
| author_sort | Yu Lu |
| collection | DOAJ |
| description | Abstract In farmlands, most electronic devices have no connection to a power source and have to work on batteries. To explore paddy soil as an in situ power source, herein, we in the present study constructed sediment microbial fuel cells (SMFCs) in paddy soil. An open circuit voltage of 1.596 V and a maximum power density of 29.42 mWm−2 were obtained by serially connecting three SMFCs. Electrochemical impedance spectroscopy showed that the internal resistance which comprised ohmic resistance and anodic and cathodic charge transfer resistance was approximately 400 Ω for each of the three individual SMFCs. We used the serially connected SMFCs to power an electronic timer through a 1 F capacitor. The SMFCs had powered the timer for 80 h until the potential of the SMFCs dropped below 0.936 V. Then, RNA was extracted from anode samples and 16S rRNA was sequenced following reverse transcription. The results showed that the relative abundance of active exoelectrogenic bacteria-associated genera on the anode was 13.03%, 27.78%, and 16.17% for the three SMFCs with Geobacter and Anaeromyxobacter being the dominant genera. Our findings provide the possibility of powering electronic devices in the field by using soil as a power source. |
| first_indexed | 2024-12-22T20:19:04Z |
| format | Article |
| id | doaj.art-b96a8514850948eaa56713866e60336e |
| institution | Directory Open Access Journal |
| issn | 2191-0855 |
| language | English |
| last_indexed | 2024-12-22T20:19:04Z |
| publishDate | 2019-04-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | AMB Express |
| spelling | doaj.art-b96a8514850948eaa56713866e60336e2022-12-21T18:13:54ZengSpringerOpenAMB Express2191-08552019-04-01911710.1186/s13568-019-0781-xElectricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteriaYu Lu0Li Liu1Shaosong Wu2Wenhui Zhong3Yujun Xu4Huan Deng5School of Environment, Nanjing Normal UniversitySchool of Environment, Nanjing Normal UniversitySchool of Environment, Nanjing Normal UniversityJiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Geography Sciences, Nanjing Normal UniversityHonors College, Nanjing Normal UniversitySchool of Environment, Nanjing Normal UniversityAbstract In farmlands, most electronic devices have no connection to a power source and have to work on batteries. To explore paddy soil as an in situ power source, herein, we in the present study constructed sediment microbial fuel cells (SMFCs) in paddy soil. An open circuit voltage of 1.596 V and a maximum power density of 29.42 mWm−2 were obtained by serially connecting three SMFCs. Electrochemical impedance spectroscopy showed that the internal resistance which comprised ohmic resistance and anodic and cathodic charge transfer resistance was approximately 400 Ω for each of the three individual SMFCs. We used the serially connected SMFCs to power an electronic timer through a 1 F capacitor. The SMFCs had powered the timer for 80 h until the potential of the SMFCs dropped below 0.936 V. Then, RNA was extracted from anode samples and 16S rRNA was sequenced following reverse transcription. The results showed that the relative abundance of active exoelectrogenic bacteria-associated genera on the anode was 13.03%, 27.78%, and 16.17% for the three SMFCs with Geobacter and Anaeromyxobacter being the dominant genera. Our findings provide the possibility of powering electronic devices in the field by using soil as a power source.http://link.springer.com/article/10.1186/s13568-019-0781-xPaddy soilMicrobial fuel cellsExoelectrogenic bacteriaElectricityPower |
| spellingShingle | Yu Lu Li Liu Shaosong Wu Wenhui Zhong Yujun Xu Huan Deng Electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria AMB Express Paddy soil Microbial fuel cells Exoelectrogenic bacteria Electricity Power |
| title | Electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria |
| title_full | Electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria |
| title_fullStr | Electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria |
| title_full_unstemmed | Electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria |
| title_short | Electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria |
| title_sort | electricity generation from paddy soil for powering an electronic timer and an analysis of active exoelectrogenic bacteria |
| topic | Paddy soil Microbial fuel cells Exoelectrogenic bacteria Electricity Power |
| url | http://link.springer.com/article/10.1186/s13568-019-0781-x |
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