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A covalent organic framework (COF) anode with acid–alkaline co‐tolerance, long cycle life, and high rate performance was developed for aqueous batteries. In their Research Article (e202218745), Haiyan Zhang, Chunyi Zhi, Haiming Lv et al. designed the robust covalent linkage (‐NH‐) and the hydrogen bond network between ‐NH‐ and H2O, which collectively improve the chemical stability and promote the...
Aqueous rechargeable batteries are prospective candidates for large‐scale grid energy storage. However, traditional anode materials applied lack acid‐alkali co‐tolerance. Herein, we report a covalent organic framework containing pyrazine (C=N) and phenylimino (−NH−) groups (HPP‐COF) as a long‐cycle and high‐rate anode for both acidic and alkaline batteries. The HPP‐COF′s robust covalent linkage and...
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