Efficient lithium-ion storage using a heterostructured porous carbon framework and its in situ transmission electron microscopy study.
Chem Commun (Camb)
; 58(6): 863-866, 2022 Jan 18.
Article
em En
| MEDLINE
| ID: mdl-34935790
ABSTRACT
A heterostructured porous carbon framework (PCF) composed of reduced graphene oxide (rGO) nanosheets and metal organic framework (MOF)-derived microporous carbon is prepared to investigate its potential use in a lithium-ion battery. As an anode material, the PCF exhibits efficient lithium-ion storage performance with a high reversible specific capacity (771 mA h g-1 at 50 mA g-1), an excellent rate capability (448 mA h g-1 at 1000 mA g-1), and a long lifespan (75% retention after 400 cycles). The in situ transmission electron microscopy (TEM) study demonstrates that its unique three-dimensional (3D) heterostructure can largely tolerate the volume expansion. We envisage that this work may offer a deeper understanding of the importance of tailored design of anode materials for future lithium-ion batteries.
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MEDLINE
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En
Ano de publicação:
2022
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Article