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A Microporous Covalent–Organic Framework with Abundant Accessible Carbonyl Groups for Lithium‐Ion Batteries
Abstract
A key challenge faced by organic electrodes is how to promote the redox reactions of functional groups to achieve high specific capacity and rate performance. Here, we report a two‐dimensional (2D) microporous covalent–organic framework (COF), poly(imide‐benzoquinone), via in situ polymerization on graphene (PIBN‐G) to function as a cathode material for lithium‐ion batteries (LIBs). Such a structure favors charge transfer from graphene to PIBN and full access of both electrons and Li+ ions to the abundant redox‐active carbonyl groups, which are essential for battery reactions. This enables large reversible specific capacities of 271.0 and 193.1 mAh g−1 at 0.1 and 10 C, respectively, and retention of more than 86 % after 300 cycles. The discharging/charging process successively involves 8 Li+ and 2 Li+ in the carbonyl groups of the respective imide and quinone groups. The structural merits of PIBN‐G will trigger more investigations into the designable and versatile COFs for electrochemistry.
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Armand, M., & Tarascon, J.-M. (2008) · Nature · doi:10.1038/451652a · Cited by 19,612
Cited by
Covalent Organic Framework Photocatalysts: Structures and Applications
Wang, H., Wang, H., Wang, Z., Tang, L., Zeng, G., Xu, P., Chen, M., Xiong, T., Zhou, C., Li, X., et al. (2020) · Chemical Society Reviews · doi:10.1039/d0cs00278j · Cited by 1,301
Liu, R., Tan, K. T., Gong, Y., Chen, Y., Li, Z., Xie, S., He, T., Lu, Z., Yang, H., & Jiang, D. (2021) · Chemical Society Reviews · doi:10.1039/d0cs00620c · Cited by 1,083
Metadata
- Authors
- Luo, Z., Liu, L., Ning, J., Lei, K., Lu, Y., Li, F., & Chen, J.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2018-06-21
- Volume
- 57
- Issue
- 30
- Pages
- 9443-9446
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2805575143
- Cited by
- 577
- References
- 1
- FWCI
- 21.07
- Type
- journal article
- Language
- en
- Open access
- closed
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- Luo, Z., Liu, L., Ning, J., Lei, K., Lu, Y., Li, F., & Chen, J. (2018). A Microporous Covalent–Organic Framework with Abundant Accessible Carbonyl Groups for Lithium‐Ion Batteries. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201805540
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