Azo-functionalised metal–organic framework for charge storage in sodium-ion batteries †

Desai, Aamod V. and Seymour, Valerie R. and Ettlinger, Romy and Pramanik, Atin and Manche, Alexis G. and Rainer, Daniel N. and Wheatley, Paul S. and Griffin, John M. and Morris, Russell E. and Armstrong, A. Robert (2023) Azo-functionalised metal–organic framework for charge storage in sodium-ion batteries †. Chemical Communications, 59 (10). pp. 1321-1324. ISSN 1359-7345

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Sodium-ion batteries (NIBs) are emerging as promising devices for energy storage applications. Porous solids, such as metal–organic frameworks (MOFs), are well suited as electrode materials for technologies involving bulkier charge carriers. However, only limited progress has been made using pristine MOFs, primarily due to lack of redox-active organic groups in the materials. In this work a azo-functional MOF, namely UiO-abdc, is presented as an electrode compound for sodium-ion insertion. The MOF delivers a stable capacity (∼100 mA h g−1) over 150 cycles, and post-cycling characterisation validates the stability of the MOF and participation of the azo-group in charge storage. This study can accelerate the realisation of pristine solids, such as MOFs and other porous organic compounds, as battery materials.

Item Type:
Journal Article
Journal or Publication Title:
Chemical Communications
Uncontrolled Keywords:
?? materials chemistrysurfaces, coatings and filmsmetals and alloysceramics and compositeschemistry(all)catalysiselectronic, optical and magnetic materials ??
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Deposited On:
24 Jan 2023 11:25
Last Modified:
22 Jan 2024 12:00