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Porous organic polymers for Li-chemistry-based batteries: functionalities and characterization studies
Dan Luo1,2, Matthew Li1, Qianyi Ma1
1Department of Chemical Engineering, Waterloo Institute for Nanotechnology, Waterloo Institute for Sustainable Energy, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada. zhwchen@uwaterloo.ca.
Chemical Society Reviews
|March 14, 2022
Summary
Porous organic polymers (POPs) show promise for Li-battery applications due to tunable properties. This review covers POP classification, functions, and characterization for advancing battery technology.
Area of Science:
- Materials Science
- Electrochemistry
- Polymer Chemistry
Background:
- Porous organic polymers (POPs) offer tunable properties like high chemical absorptivity and ionic conductivity.
- POPs are emerging as versatile materials for energy storage applications, including batteries.
Purpose of the Study:
- To review the classification and functions of amorphous and crystalline POPs for Li-chemistry-based batteries.
- To highlight the importance of in situ and ex situ characterization for understanding POP mechanisms in batteries.
Main Methods:
- Classification of POPs into amorphous and crystalline subclasses based on structural features.
- Discussion of various POP types, including hyper cross-linked polymers, polymers with intrinsic microporosity, conjugated microporous polymers, porous aromatic frameworks, and covalent organic frameworks.
- Review of in situ and ex situ characterization techniques for structural investigation of POPs during electrochemical processes.
Main Results:
- POPs exhibit diverse functionalities, serving as electrode materials, membranes, ionic conductors, and precursors for porous carbon.
- Characterization studies are crucial for elucidating the electrochemical mechanisms of POPs in Li-chemistry-based batteries.
Conclusions:
- Despite significant advances, the application of POPs in Li-chemistry-based batteries is still in its early stages.
- Further research into future applications and mechanistic insights of POPs is essential for battery development.
