Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron Acceptor
In this paper, we presented a novel microbial fuel cell (bMFC) structure, with a bipolar membrane separating the anode and cathode chambers. A bipolar membrane divides the bMFC into anode and cathode chambers. The bipolar membrane comprises anion and cation exchange layers. The anode chamber side ha...
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MDPI AG
2023-03-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/16/6/2527 |
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| author | Iori Kazama Yuji Aso Tomonari Tanaka Hitomi Ohara |
| author_facet | Iori Kazama Yuji Aso Tomonari Tanaka Hitomi Ohara |
| author_sort | Iori Kazama |
| collection | DOAJ |
| description | In this paper, we presented a novel microbial fuel cell (bMFC) structure, with a bipolar membrane separating the anode and cathode chambers. A bipolar membrane divides the bMFC into anode and cathode chambers. The bipolar membrane comprises anion and cation exchange layers. The anode chamber side has the cation exchange layer, while the cathode chamber side has the anion exchange layer. The anode chamber of the bMFC was loaded with <i>Shewanella oneidensis</i> MR-1 and lactic acid, while the cathode chamber was loaded with pure water and iron (III) hydroxide. The bMFC generated electrons for 20 days at a maximum current density of 30 mA/m<sup>2</sup> and the ohmic resistance value was estimated to be 500 Ω. During the operation of the bMFC, both the anode and cathode chambers kept anaerobic conditions. There was no platinum catalyst in the cathode chamber, which is required for the reaction of protons with oxygen. Therefore, oxygen could not serve as an electron acceptor in the bMFC. We considered a bMFC mechanism in which protons produced by <i>S. oneidensis</i> react with hydroxide ions, the counter anions of Fe<sup>3+</sup>, inside the bipolar membrane to produce water. In other words, the electron acceptor in bMFC would be Fe<sup>3+</sup>. |
| first_indexed | 2024-03-11T06:37:58Z |
| format | Article |
| id | doaj.art-99675f9387c34c8e9f48a14a9436ea9c |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-11T06:37:58Z |
| publishDate | 2023-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-99675f9387c34c8e9f48a14a9436ea9c2023-11-17T10:47:20ZengMDPI AGEnergies1996-10732023-03-01166252710.3390/en16062527Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron AcceptorIori Kazama0Yuji Aso1Tomonari Tanaka2Hitomi Ohara3Department of Biobased Materials Science, Kyoto Institute of Technology, Hashigami-cho, Matsugasaki, Sakyo-ku, Kyoto 606-8585, JapanDepartment of Biobased Materials Science, Kyoto Institute of Technology, Hashigami-cho, Matsugasaki, Sakyo-ku, Kyoto 606-8585, JapanDepartment of Biobased Materials Science, Kyoto Institute of Technology, Hashigami-cho, Matsugasaki, Sakyo-ku, Kyoto 606-8585, JapanDepartment of Biobased Materials Science, Kyoto Institute of Technology, Hashigami-cho, Matsugasaki, Sakyo-ku, Kyoto 606-8585, JapanIn this paper, we presented a novel microbial fuel cell (bMFC) structure, with a bipolar membrane separating the anode and cathode chambers. A bipolar membrane divides the bMFC into anode and cathode chambers. The bipolar membrane comprises anion and cation exchange layers. The anode chamber side has the cation exchange layer, while the cathode chamber side has the anion exchange layer. The anode chamber of the bMFC was loaded with <i>Shewanella oneidensis</i> MR-1 and lactic acid, while the cathode chamber was loaded with pure water and iron (III) hydroxide. The bMFC generated electrons for 20 days at a maximum current density of 30 mA/m<sup>2</sup> and the ohmic resistance value was estimated to be 500 Ω. During the operation of the bMFC, both the anode and cathode chambers kept anaerobic conditions. There was no platinum catalyst in the cathode chamber, which is required for the reaction of protons with oxygen. Therefore, oxygen could not serve as an electron acceptor in the bMFC. We considered a bMFC mechanism in which protons produced by <i>S. oneidensis</i> react with hydroxide ions, the counter anions of Fe<sup>3+</sup>, inside the bipolar membrane to produce water. In other words, the electron acceptor in bMFC would be Fe<sup>3+</sup>.https://www.mdpi.com/1996-1073/16/6/2527bipolar membraneiron (III) hydroxidelactic acidmicrobial fuel cell<i>Shewanella oneidensis</i> |
| spellingShingle | Iori Kazama Yuji Aso Tomonari Tanaka Hitomi Ohara Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron Acceptor Energies bipolar membrane iron (III) hydroxide lactic acid microbial fuel cell <i>Shewanella oneidensis</i> |
| title | Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron Acceptor |
| title_full | Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron Acceptor |
| title_fullStr | Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron Acceptor |
| title_full_unstemmed | Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron Acceptor |
| title_short | Microbial Fuel Cell Equipped with Bipolar Membrane Using Iron (III) Hydroxide as Final Electron Acceptor |
| title_sort | microbial fuel cell equipped with bipolar membrane using iron iii hydroxide as final electron acceptor |
| topic | bipolar membrane iron (III) hydroxide lactic acid microbial fuel cell <i>Shewanella oneidensis</i> |
| url | https://www.mdpi.com/1996-1073/16/6/2527 |
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