An electrochemical capacitor based on a Ni(OH)(2)/activated carbon composite electrode

In order to enhance energy density, a hybrid type pseudocapacitor/electric double layer capacitor (EDLC) was considered and its electrochemical properties were investigated. At various current densities, stable charge/discharge behaviors were observed with much higher specific capacitance values of 530 F/g compared with that of EDLC (230 F/g), by introducing Ni(OH)(2) as a cathode material. By using the modified cathode of a Ni(OH)(2)/activated carbon composite electrode, the specific capacitance was less sensitive to charge/discharge current density exhibiting stable power characteristics. (C) 2001 The Electrochemical Society.
Publisher
ELECTROCHEMICAL SOC INC
Issue Date
2002-02
Language
ENG
Keywords

RUTHENIUM OXIDE

Citation

ELECTROCHEMICAL AND SOLID STATE LETTERS, v.5, no.2, pp.7 - 10

ISSN
1099-0062
URI
http://hdl.handle.net/10203/5024
Appears in Collection
CBE-Journal Papers(저널논문)
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