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NiO@ graphite carbon nanocomposites derived from Ni-MOFs as supercapacitor electrodes

NiO@ graphite carbon nanocomposites derived from Ni-MOFs as supercapacitor electrodes In order to improve the performance of metal oxides as the supercapacitor electrodes, incorporating transition metal oxides and carbon materials homogeneously in one hybrid has become an effective method. For the purpose of getting NiO/carbon composites, Ni-MOFs were annealed at different temperatures (200 °C, 300 °C, and 400 °C) with a ramp rate of 1 °C min−1. As a result, NiO/graphite carbon nanocomposites were successfully obtained by one-step pyrolysis of Ni-MOFs at 300 °C in air. Large specific surface area and good conductivity made it exhibit excellent capacitance of 317 F g−1 at the current density of 1 A g−1 and excellent cycling stability. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ionics Springer Journals

NiO@ graphite carbon nanocomposites derived from Ni-MOFs as supercapacitor electrodes

Ionics , Volume 25 (1) – Dec 3, 2018

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References (61)

Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Chemistry; Electrochemistry; Renewable and Green Energy; Optical and Electronic Materials; Condensed Matter Physics; Energy Storage
ISSN
0947-7047
eISSN
1862-0760
DOI
10.1007/s11581-018-2812-z
Publisher site
See Article on Publisher Site

Abstract

In order to improve the performance of metal oxides as the supercapacitor electrodes, incorporating transition metal oxides and carbon materials homogeneously in one hybrid has become an effective method. For the purpose of getting NiO/carbon composites, Ni-MOFs were annealed at different temperatures (200 °C, 300 °C, and 400 °C) with a ramp rate of 1 °C min−1. As a result, NiO/graphite carbon nanocomposites were successfully obtained by one-step pyrolysis of Ni-MOFs at 300 °C in air. Large specific surface area and good conductivity made it exhibit excellent capacitance of 317 F g−1 at the current density of 1 A g−1 and excellent cycling stability.

Journal

IonicsSpringer Journals

Published: Dec 3, 2018

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