Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranes
Osmotic energy is a kind of blue energy that has recently been identified as an additional source of clean energy. Using a membrane-based reverse electrodialysis (RED) process, this blue energy can be obtained from acidic industrial wastewater with different proton concentration gradients. However,...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co. Ltd.
2022-01-01
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| Series: | Advanced Membranes |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772823422000227 |
| _version_ | 1828070211120529408 |
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| author | Huan Qin Haoyu Wu Shu-Mao Zeng Fan Yi Si-Yong Qin Yue Sun Li Ding Haihui Wang |
| author_facet | Huan Qin Haoyu Wu Shu-Mao Zeng Fan Yi Si-Yong Qin Yue Sun Li Ding Haihui Wang |
| author_sort | Huan Qin |
| collection | DOAJ |
| description | Osmotic energy is a kind of blue energy that has recently been identified as an additional source of clean energy. Using a membrane-based reverse electrodialysis (RED) process, this blue energy can be obtained from acidic industrial wastewater with different proton concentration gradients. However, this process demands high-performance membrane that can withstand harsh environments, possessing the advantages of wide pH tolerance, high-temperature resistance and chemical stability, developing such membranes remain a challenge. Herein, we report a two-dimensional (2D) lamellar Ti3C2Tx MXene membrane-based RED device for osmotic energy capturing from proton gradients. Such a membrane exhibits a typical surface-charge-governed ion transport feature. Moreover, the MXene membrane-based energy harvesting device holds the merits of outstanding pH and temperature resistance. It exhibits an output power density of 6.5 W/m2 and also demonstrates stability over 200 h at pH = 0, which is 30% higher than the commercialization benchmark (5 W/m2). The osmotic power density can be further enhanced to 11.1 W/m2 at 330 K, demonstrating excellent thermal and chemical stability. This work can help better understand protons' transport behaviors in MXene membranes and open new avenues for applications in sustainable power conversion and wastewater treatment. |
| first_indexed | 2024-04-11T00:34:20Z |
| format | Article |
| id | doaj.art-eb2bd15668ad469e8fb762bf58047f5c |
| institution | Directory Open Access Journal |
| issn | 2772-8234 |
| language | English |
| last_indexed | 2024-04-11T00:34:20Z |
| publishDate | 2022-01-01 |
| publisher | KeAi Communications Co. Ltd. |
| record_format | Article |
| series | Advanced Membranes |
| spelling | doaj.art-eb2bd15668ad469e8fb762bf58047f5c2023-01-07T04:17:48ZengKeAi Communications Co. Ltd.Advanced Membranes2772-82342022-01-012100046Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranesHuan Qin0Haoyu Wu1Shu-Mao Zeng2Fan Yi3Si-Yong Qin4Yue Sun5Li Ding6Haihui Wang7Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China; Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central Minzu University, Wuhan, 430074, ChinaBeijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, ChinaBeijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, ChinaHubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central Minzu University, Wuhan, 430074, ChinaHubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central Minzu University, Wuhan, 430074, ChinaState Key Laboratory of Separation Membrane and Membrane Process & Tianjin Key Laboratory of Green Chemical Technology and Process Engineering, School of Chemistry, Tiangong University, Tianjin, 300387, ChinaBeijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China; Corresponding author.Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, ChinaOsmotic energy is a kind of blue energy that has recently been identified as an additional source of clean energy. Using a membrane-based reverse electrodialysis (RED) process, this blue energy can be obtained from acidic industrial wastewater with different proton concentration gradients. However, this process demands high-performance membrane that can withstand harsh environments, possessing the advantages of wide pH tolerance, high-temperature resistance and chemical stability, developing such membranes remain a challenge. Herein, we report a two-dimensional (2D) lamellar Ti3C2Tx MXene membrane-based RED device for osmotic energy capturing from proton gradients. Such a membrane exhibits a typical surface-charge-governed ion transport feature. Moreover, the MXene membrane-based energy harvesting device holds the merits of outstanding pH and temperature resistance. It exhibits an output power density of 6.5 W/m2 and also demonstrates stability over 200 h at pH = 0, which is 30% higher than the commercialization benchmark (5 W/m2). The osmotic power density can be further enhanced to 11.1 W/m2 at 330 K, demonstrating excellent thermal and chemical stability. This work can help better understand protons' transport behaviors in MXene membranes and open new avenues for applications in sustainable power conversion and wastewater treatment.http://www.sciencedirect.com/science/article/pii/S27728234220002272D MXene membraneEnergy conversionProton transportOsmotic energy harvestingAcidic wastewater |
| spellingShingle | Huan Qin Haoyu Wu Shu-Mao Zeng Fan Yi Si-Yong Qin Yue Sun Li Ding Haihui Wang Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranes Advanced Membranes 2D MXene membrane Energy conversion Proton transport Osmotic energy harvesting Acidic wastewater |
| title | Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranes |
| title_full | Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranes |
| title_fullStr | Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranes |
| title_full_unstemmed | Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranes |
| title_short | Harvesting osmotic energy from proton gradients enabled by two-dimensional Ti3C2Tx MXene membranes |
| title_sort | harvesting osmotic energy from proton gradients enabled by two dimensional ti3c2tx mxene membranes |
| topic | 2D MXene membrane Energy conversion Proton transport Osmotic energy harvesting Acidic wastewater |
| url | http://www.sciencedirect.com/science/article/pii/S2772823422000227 |
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