Redox-Bipolar Polyimide Two-Dimensional Covalent Organic Framework Cathodes for 
Durable Aluminium Batteries

Liu, Yannan; Lu, Yiyue; Khan, Arafat Hossain; Wang, Gang; Wang, Yong; Morag, Ahiud; Wang, Zhiyong; Chen, Guangbo; Huang, Shengyun; Chandrasekhar, Naisa; Sabaghi, Davood; Li, Dongqi; Zhang, Panpan; Ma, Dongling; Brunner, Eike; Yu, Minghao; Feng, Xinliang

doi:10.1002/anie.202306091

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学術論文

Redox-Bipolar Polyimide Two-Dimensional Covalent Organic Framework Cathodes for Durable Aluminium Batteries

MPS-Authors

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Liu, Yannan
Department of Synthetic Materials and Functional Devices (SMFD), Max Planck Institute of Microstructure Physics, Max Planck Society;

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Wang, Zhiyong
Department of Synthetic Materials and Functional Devices (SMFD), Max Planck Institute of Microstructure Physics, Max Planck Society;

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Feng, Xinliang
Department of Synthetic Materials and Functional Devices (SMFD), Max Planck Institute of Microstructure Physics, Max Planck Society;

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https://doi.org/10.1002/anie.202306091
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Angew Chem Int Ed-2023-Liu.pdf
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引用

Liu, Y., Lu, Y., Khan, A. H., Wang, G., Wang, Y., Morag, A., Wang, Z., Chen, G., Huang, S., Chandrasekhar, N., Sabaghi, D., Li, D., Zhang, P., Ma, D., Brunner, E., Yu, M., & Feng, X. (2023). Redox-Bipolar Polyimide Two-Dimensional Covalent Organic Framework Cathodes for Durable Aluminium Batteries. Angewandte Chemie International Edition, 62(30):. doi:10.1002/anie.202306091.

引用: https://hdl.handle.net/21.11116/0000-000D-7115-C

要旨

Emerging rechargeable aluminium batteries (RABs) offer a sustainable option for next-generation energy storage technologies with low cost and exemplary safety. However, the development of RABs is restricted by the limited availability of high-performance cathode materials. Herein, we report two polyimide two-dimensional covalent organic frameworks (2D-COFs) cathodes with redox-bipolar capability in RAB. The optimal 2D-COF electrode achieves a high specific capacity of 132 mAh g⁻¹. Notably, the electrode presents long-term cycling stability (with a negligible ≈0.0007 % capacity decay per cycle), outperforming early reported organic RAB cathodes. 2D-COFs integrate n-type imide and p-type triazine active centres into the periodic porous polymer skeleton. With multiple characterizations, we elucidate the unique Faradaic reaction of the 2D-COF electrode, which involves AlCl²⁺ and AlCl₄⁻ dual-ions as charge carriers. This work paves the avenue toward novel organic cathodes in RABs.