e-journal

Influence of temperature and electrolyte on the performance of activated-carbon supercapacitors

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Abstract
For hybrid electric vehicle traction applications, energy storage devices with high power density and energy efficiency are required.Aprimary attribute of supercapacitors is that they retain their high power density and energy efficiency even at −30 ◦C, the lowest temperature at which unassisted starting must be provided to customers. More abuse-tolerant electrolytes are preferred to the high-conductivity acetonitrile-based systems commonly employed. Propylene carbonate based electrolytes are a promising alternative. In thiswork, we compare the electrochemical performance of two high-power density electrical double layer supercapacitors employing acetonitrile and propylene carbonate as solvents.
From this study, we are able to elucidate phenomena that control the resistance of supercapacitor at lower temperatures, and quantify the difference in performance associated with the two electrolytes.

Keywords: Activated carbon; Nonaqueous electrolyte; Capacitor; Electrical double layer; Temperature dependence

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Ketersediaan

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Informasi Detail

Judul Seri

Journal of Power Sources

No. Panggil

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Penerbit

: Elsevier B.V. All rights reserved., 2005

Deskripsi Fisik

Journal of Power Sources 156 (2006) 712–718

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

Info Detail Spesifik

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Pernyataan Tanggungjawab

yuli/agus

Versi lain/terkait

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