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A high energy and power density hybrid supercapacitor based on an advanced carbon-coated Li4Ti5O12 electrode

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Abstract.
We describe in this work the synthesis and the characterization of homogeneous, carbon-coated lithium
titanium oxide micro spheres and demonstrate their use for the fabrication of an active negative electrode
combined with a high surface area, activated carbon positive electrode to form an advanced non
aqueous, hybrid supercapacitor. We show that this activated carbon/carbon coated-Li4Ti5O12 device
retains 95% of its initial capacity after 1000 cycles with a maximum volumetric energy and power density
of 57 Wh L
-1 and 2600 W L-
1, respectively. Due to this unique performance, the hybrid supercapacitor
developed in this work is expected to be a very promising energy storage device suitable for applications
that require high energy levels and fast charge and discharge cycles, such as those requested in the
EV sector.

Keywords: Hybrid supercapacitor, Li4Ti5O12, Microsphere, High energy density, High power density

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Informasi Detail

Judul Seri

Journal of Power Sources

No. Panggil

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Penerbit

New York : Elsevier B.V.., 2013

Deskripsi Fisik

Journal of Power Sources 221 (2013) 266-271

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

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Subjek

KIMIA MATERIAL

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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