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Designing Covalent Organic Frameworks with Tailored Ionic Interface for Ion Transport across One‐dimensional Channels
Angewandte Chemie International Edition ( IF 12.257 ) Pub Date : 2020-01-13 , DOI: 10.1002/anie.201915234
Donglin Jiang; Qing Xu; Shanshan Tao; Qiuhong Jiang

Here we report a strategy based on covalent organic frameworks for ultrafast ion transport by designing tailor‐made ionic interface to mediate ion motion. We integrate electrolyte chains onto the walls of one‐dimensional channels to construct ionic frameworks via pore surface engineering, so that the ionic interface can be systematically tuned at desired composition and density. This strategy enables a quantitative correlation between interface and ion transport and unveils a full picture of managing ionic interface to achieve high‐rate ion transport. Moreover, we scale the effect of interfaces on ion transport and disclose for the first time that ion mobility is increased in an exponential mode with the ionic interface. We anticipate our strategy not only sets a benchmark system but also offers a general guidance for designing ionic interface that is key to systems for energy conversion and storage.
更新日期:2020-01-14

 

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