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Ultrathin Mesoporous NiCo 2 O 4 Nanosheet Networks as High‐Performance Anodes for Lithium Storage

Ultrathin Mesoporous NiCo 2 O 4 Nanosheet Networks as High‐Performance Anodes for Lithium Storage Ultrathin mesoporous NiCo2O4 nanosheets were directly grown on Ni foams to form an efficient and reversible anode for lithium‐ion half‐cell batteries. Nanosheets with wrinkles, which were monolayers of 10 nm NiCo2O4 nanoparticles, were interconnected to build up a honeycomb‐like architecture that offered a large electrolyte contact area and good structural integrity. The firm attachment of the sheets on the foam endows the anode with good electrical conductivity and excellent mechanical stability. Electrochemical measurements confirm that the electrode has a better performance at reversible Li+ storage (specific capacity of 1170.1 mA h g−1 in the 50th cycle at 0.2 C) than the pasted electrode made of NiCo2O4 nanosheets powder. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ChemPlusChem Wiley

Ultrathin Mesoporous NiCo 2 O 4 Nanosheet Networks as High‐Performance Anodes for Lithium Storage

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References (36)

Publisher
Wiley
Copyright
© 2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
2192-6506
eISSN
2192-6506
DOI
10.1002/cplu.201500322
Publisher site
See Article on Publisher Site

Abstract

Ultrathin mesoporous NiCo2O4 nanosheets were directly grown on Ni foams to form an efficient and reversible anode for lithium‐ion half‐cell batteries. Nanosheets with wrinkles, which were monolayers of 10 nm NiCo2O4 nanoparticles, were interconnected to build up a honeycomb‐like architecture that offered a large electrolyte contact area and good structural integrity. The firm attachment of the sheets on the foam endows the anode with good electrical conductivity and excellent mechanical stability. Electrochemical measurements confirm that the electrode has a better performance at reversible Li+ storage (specific capacity of 1170.1 mA h g−1 in the 50th cycle at 0.2 C) than the pasted electrode made of NiCo2O4 nanosheets powder.

Journal

ChemPlusChemWiley

Published: Dec 1, 2015

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