Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 59, Issue 11, Pages 4557-4563Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201915234
Keywords
covalent organic frameworks; ion conduction; ionic interfaces; polyelectrolytes; pore surface engineering
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Funding
- MOE Tier 1 grant [R-143-000-A71-114]
- NUS [R-143-000-A28-133]
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A strategy based on covalent organic frameworks for ultrafast ion transport involves designing an ionic interface to mediate ion motion. Electrolyte chains were integrated 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 the 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, the effect of interfaces was scaled on ion transport; ion mobility is increased in an exponential mode with the ionic interface. This 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.
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