Precision design of covalent organic frameworks for cathode applications
Zhiwei Zhao1, Di Liu1, Yang Wang1
1Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Fudan University, 2005, Songhu Road, Shanghai 200438, China. yangwang@fudan.edu.cn.
Summary
Covalent organic frameworks (COFs) show promise for sustainable energy storage, but low conductivity hinders their use. Molecular and structural engineering strategies are advancing COF cathode performance for next-generation batteries.
Area of Science:
- Materials Science
- Electrochemistry
- Sustainable Energy
Background:
- Covalent organic frameworks (COFs) are emerging as sustainable alternatives to inorganic cathodes for energy storage.
- Their programmable structures offer high theoretical capacities, but practical applications are limited by low conductivity and capacity.
Purpose of the Study:
- To review recent advances in molecular and structural engineering of COFs for enhanced cathode performance.
- To highlight strategies for overcoming limitations in COF cathode conductivity and practical capacity.
Main Methods:
- Exploration of ion-storage mechanisms in COFs.
- Analysis of innovative chemical design strategies for COF materials.
- Investigation of composite material synergies to improve COF cathode performance.
Main Results:
- Molecular and structural engineering strategies show potential to improve COF cathode performance.
- Understanding ion-storage mechanisms and material synergies is key to enhancing COFCs.
- Recent advances address conductivity and capacity limitations.
Conclusions:
- Further breakthroughs in multi-electron redox chemistry, scalable synthesis, and in situ characterization are crucial.
- This review provides insights for designing novel COF cathode materials.
- Advancing COF cathode development is vital for next-generation high-performance secondary batteries.
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