e-journal

Facile synthesis of a nano-structured nickel oxide electrode with outstanding pseudocapacitive properties

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Abstract.
A superior electrode for high-performance supercapacitors has been designed by growing homogeneous
NiO nanoparticles on conductive Ni foam substrate through a facile two-step method. The preparation
strategy involves the electrodeposition of nickel hydroxide precursor on Ni foam and subsequent low temperature
annealing process. These NiO nanoparticles are interconnected with each other, forming a
loose network with a highly open and porous structure. This unique 3D NiO–Ni foam electrode manifests
the electrolyte penetration and ion migration as well as large electroactive surface area. As a result,
outstanding pseudocapacitive performance is achieved with a high specific capacitance (2558 F g−1 at
2 A g−1 in a potential window of 0.5 V) and excellent rate capability (70% capacity retention at 40 A g−1),
which shows great potential in the development of high-performance energy-storage systems.

Keywords:
NiO
Nanoparticles
Ni foam
Electrodeposition
Supercapacitors

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Ketersediaan

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Informasi Detail

Judul Seri

Electrochimica Acta

No. Panggil

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Penerbit

New York : Elsevier Ltd.., 2013

Deskripsi Fisik

Electrochimica Acta 105 (2013) 353– 361

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

105 (2013)

Subjek

PSEUDOKAPASITOR

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

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