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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Nickel-cobalt layered double hydroxide anchored zinc oxide nanowires grown on carbon fiber cloth for high-performance flexible pseudocapacitive energy storage devices
Electrochimica Acta, Volume 129, Year 2014
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Description
Nickel-cobalt layered double hydroxide (Ni-Co LDH) nanoflakes-ZnO nanowires hybrid array has been directly synthesized on a carbon cloth substrate by a facile cost-effective two-step hydrothermal route. As electrode materials for flexible pseudocapacitors, Ni-Co LDH nanoflakes-ZnO nanowires hybrid array exhibits a significantly enhanced specific capacitance of 1927 Fg-1, which is a ∼1.8 time greater than pristine Ni-Co LDH nanoflakes. The synthesized Ni-Co LDH nanoflakes-ZnO nanowires hybrid array shows a maximum energy density of 45.55 Whkg-1 at a power density of 46.15 kWkg -1, which is 35% higher than the pristine Ni-Co LDH nanoflakes electrode. Moreover, Ni-Co LDH nanoflakes-ZnO nanowires hybrid array exhibit excellent excellent rate capability (80.3% capacity retention at 30 Ag -1) and cycling stability (only 3.98% loss after 3000 cycles), due to the significantly improved faradaic redox reaction. © 2014 Elsevier Ltd.
Authors & Co-Authors
Shakir, Imran
Saudi Arabia, Riyadh
King Saud University
Pakistan, Lahore
Comsats Institute of Information Technology Lahore
Shahid, Muhammad Y.
Saudi Arabia, Thuwal
King Abdullah University of Science and Technology
Rana, Usman Ali
Saudi Arabia, Riyadh
King Saud University
Al Nashef, Inas Muen
Saudi Arabia, Riyadh
King Saud University
Hussain, Rafaqat
Malaysia, Johor Bahru
Universiti Teknologi Malaysia
Statistics
Citations: 62
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1016/j.electacta.2014.02.082
ISSN:
00134686
Research Areas
Environmental