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Abstract:
Advanced electrode design is critical for the rapid development of flexible energy storage devices (ESD) in the emerging field of flexible electronics. Metal-organic frameworks ((MOFs) for lithium storage have at-tracted considerable attention. However, one of the main obstacles is their poor electronic conductivity, which restricts their cycling stability under redox conditions. Herein, we report a facile synthesis route to fabricate Ni(BDC-NH2)/reduced graphene oxide (rGO) composites employing the solvothermal method. Ni (BDC-NH2) MOFs exhibited a unique laminar and porous morphology, which helps with Li-ion diffusion, and thus enables faster electrode activation and capacitive controlled electrochemical activity. When freestanding Ni(BDC-NH2)/reduced graphene oxide (rGO) composite electrode was prepared via simple vacuum filtration. As anode material for lithium-ion batteries. It delivered a reversible capacity of 813 mAh g-1 at a current density of 200 mA g-1 after 100 cycles. More importantly, it also shows an excellent rate of performance compared to Ni(BDC)/rGO MOFs. The better electrochemical performance of Ni(BDC-NH2)/rGO is attributed to the unique chain network formed by the synergistic effect of multi-coordination of car-boxylic oxygen and amino nitrogen with high theoretical capacities and rGO with high electrical con-ductivity. (c) 2022 Published by Elsevier B.V.
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JOURNAL OF ALLOYS AND COMPOUNDS
ISSN: 0925-8388
Year: 2023
Volume: 936
5 . 8
JCR@2023
5 . 8 0 0
JCR@2023
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:49
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 25
SCOPUS Cited Count: 27
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
Affiliated Colleges: