Issue 78, 2024

Controllable amorphization and morphology engineering on mixed-valence MOFs for ultra-fast and high-stability near-pseudocapacitance Li+ storage

Abstract

Coulombic efficiency (CE) and rate capability are crucial parameters for advanced secondary batteries. Herein, for the first time, we report controllable amorphization and morphology engineering on mixed-valence Fe(II,III)-MOFs from the crystalline to amorphous state and micro-clustered to hollow nano-spherical geometry through valence manipulation by a dissolved oxygen-mediated pathway. The disordered structure and the hollow nanostructure can endow the MOFs with the highest initial CE (>80%) to date for MOF electrodes, and ultrafast and super-stable near-pseudocapacitance lithium storage. These findings can provide new ideas for the engineering of MOF systems for application in LIBs.

Graphical abstract: Controllable amorphization and morphology engineering on mixed-valence MOFs for ultra-fast and high-stability near-pseudocapacitance Li+ storage

Supplementary files

Article information

Article type
Communication
Submitted
03 Jun 2024
Accepted
30 Aug 2024
First published
02 Sep 2024

Chem. Commun., 2024,60, 10898-10901

Controllable amorphization and morphology engineering on mixed-valence MOFs for ultra-fast and high-stability near-pseudocapacitance Li+ storage

J. Yu, Y. Wu, T. Peng, Q. Qi, X. Ma, Y. Gu, X. Li, J. Ding, S. Chen, X. Hu, Y. Wang, Q. Xiong, Y. Yuan and H. Qin, Chem. Commun., 2024, 60, 10898 DOI: 10.1039/D4CC02692F

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