The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Mechanoassisted Synthesis of Sulfonated Covalent Organic Frameworks with High Intrinsic Proton Conductivity
Abstract
It is challenging to introduce pendent sulfonic acid groups into modularly built crystalline porous frameworks for intrinsic proton conduction. Herein, we report the mechanoassisted synthesis of two sulfonated covalent organic frameworks (COFs) possessing one-dimensional nanoporous channels decorated with pendent sulfonic acid groups. These COFs exhibit high intrinsic proton conductivity as high as 3.96 × 10(-2) S cm(-1) with long-term stability at ambient temperature and 97% relative humidity (RH). In addition, they were blended with nonconductive polyvinylidene fluoride (PVDF) affording a series of mixed-matrix membranes (MMMs) with proton conductivity up to 1.58 × 10(-2) S cm(-1) and low activation energy of 0.21 eV suggesting the Grotthuss mechanism for proton conduction. Our study has demonstrated the high intrinsic proton conductivity of COFs shedding lights on their wide applications in proton exchange membranes.
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Citations
Cites
Kreuer, K.-D., Paddison, S. J., Spohr, E., & Schuster, M. (2004) · Chemical Reviews · doi:10.1021/cr020715f · Cited by 2,187
Cited by
Yin, Z., Geng, H., Yang, P., Shi, B., Fan, C., Peng, Q., Wu, H., & Jiang, Z. (2021) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2021.05.119 · Cited by 63
Metadata
- Authors
- Peng, Y., Xu, G., Hu, Z., Cheng, Y., Chi, C., Yuan, D., Cheng, H., & Zhao, D.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-07-06
- Volume
- 8
- Issue
- 28
- Pages
- 18505-18512
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2464729348
- Cited by
- 397
- References
- 1
- FWCI
- 7.42
- Type
- journal article
- Language
- en
- Open access
- closed
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