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Redox Active Metal- and Covalent Organic Frameworks for Energy Storage: Balancing Porosity and Electrical Conductivity.

Porous redox-active metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) have emerged as electrode materials for energy storage devices. These porous frameworks have different levels of intrinsic properties such as low solubility, high ionic conductivity (porosity) and low electrical conductivity, all of which are critical parameters when utilised as electrode materials. This Minireview focuses on recent developments of using porous MOFs/COFs as redox active electrode materials for energy storage and strategies to improve their electrochemical performance.