Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework Composites
The long–term stability of proton conductors is one of the most important factors in evaluating materials. Guest molecules can act as “bridges” for proton conduction channels and reside in the channels of covalent organic frameworks, but they are prone to leakage. Therefore, it is important to devel...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-06-01
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| Series: | Inorganics |
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| Online Access: | https://www.mdpi.com/2304-6740/11/7/283 |
| _version_ | 1797588922467876864 |
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| author | Jianjian Yang Zhihui Kong Xinyu Li Qinglei Guo Zhen Wang Zixi Kang Rongming Wang Daofeng Sun |
| author_facet | Jianjian Yang Zhihui Kong Xinyu Li Qinglei Guo Zhen Wang Zixi Kang Rongming Wang Daofeng Sun |
| author_sort | Jianjian Yang |
| collection | DOAJ |
| description | The long–term stability of proton conductors is one of the most important factors in evaluating materials. Guest molecules can act as “bridges” for proton conduction channels and reside in the channels of covalent organic frameworks, but they are prone to leakage. Therefore, it is important to develop proton conductors with intrinsic proton conductivity. In this paper, we synthesized an intrinsically sulfonated covalent organic framework, TpPa–SO<sub>3</sub>H, which has a more stable proton conducting performance than that of TpPa@H<sub>2</sub>SO<sub>4</sub> by loading guest molecules. Meanwhile, the proton conductivity of TpPa–SO<sub>3</sub>H was further improved by coating a superabsorbent polymer through an in situ reaction to obtain PANa@TpPa–SO<sub>3</sub>H (PANa: sodium polyacrylate). As a result, the modified composite exhibits an ultrahigh proton conductivity of 2.33 × 10<sup>−1</sup> S cm<sup>−1</sup> at 80 °C under 95% relative humidity (RH). The stability of PANa@TpPa–SO<sub>3</sub>H makes it an efficient proton transport platform with excellent proton conductivity and long–term durability. |
| first_indexed | 2024-03-11T00:58:55Z |
| format | Article |
| id | doaj.art-a4ac1f7633514986ad6e109e1e42920e |
| institution | Directory Open Access Journal |
| issn | 2304-6740 |
| language | English |
| last_indexed | 2024-03-11T00:58:55Z |
| publishDate | 2023-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Inorganics |
| spelling | doaj.art-a4ac1f7633514986ad6e109e1e42920e2023-11-18T19:47:54ZengMDPI AGInorganics2304-67402023-06-0111728310.3390/inorganics11070283Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework CompositesJianjian Yang0Zhihui Kong1Xinyu Li2Qinglei Guo3Zhen Wang4Zixi Kang5Rongming Wang6Daofeng Sun7State Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaState Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaState Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaState Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaState Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaState Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaState Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaState Key Laboratory of Heavy Oil Processing, School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, ChinaThe long–term stability of proton conductors is one of the most important factors in evaluating materials. Guest molecules can act as “bridges” for proton conduction channels and reside in the channels of covalent organic frameworks, but they are prone to leakage. Therefore, it is important to develop proton conductors with intrinsic proton conductivity. In this paper, we synthesized an intrinsically sulfonated covalent organic framework, TpPa–SO<sub>3</sub>H, which has a more stable proton conducting performance than that of TpPa@H<sub>2</sub>SO<sub>4</sub> by loading guest molecules. Meanwhile, the proton conductivity of TpPa–SO<sub>3</sub>H was further improved by coating a superabsorbent polymer through an in situ reaction to obtain PANa@TpPa–SO<sub>3</sub>H (PANa: sodium polyacrylate). As a result, the modified composite exhibits an ultrahigh proton conductivity of 2.33 × 10<sup>−1</sup> S cm<sup>−1</sup> at 80 °C under 95% relative humidity (RH). The stability of PANa@TpPa–SO<sub>3</sub>H makes it an efficient proton transport platform with excellent proton conductivity and long–term durability.https://www.mdpi.com/2304-6740/11/7/283covalent organic frameworkPANaproton conductioncomposite |
| spellingShingle | Jianjian Yang Zhihui Kong Xinyu Li Qinglei Guo Zhen Wang Zixi Kang Rongming Wang Daofeng Sun Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework Composites Inorganics covalent organic framework PANa proton conduction composite |
| title | Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework Composites |
| title_full | Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework Composites |
| title_fullStr | Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework Composites |
| title_full_unstemmed | Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework Composites |
| title_short | Proton Conduction Properties of Intrinsically Sulfonated Covalent Organic Framework Composites |
| title_sort | proton conduction properties of intrinsically sulfonated covalent organic framework composites |
| topic | covalent organic framework PANa proton conduction composite |
| url | https://www.mdpi.com/2304-6740/11/7/283 |
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