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Supercapacitor behavior of new substituted manganese dioxides

被引：64
作者：
Machefaux, E.
Brousse, T.
Belanger, D.
Guyomard, D.
机构：
[1] Univ Nantes, CNRS, Inst Mat Jean Rouxel, Lab Chim Solides, F-44311 Nantes 03, France
[2] Univ Nantes, Ecole Polytech, Lab Genie Mat & Procedes Appl, F-44306 Nantes, France
[3] Univ Quebec, Lab Electrochim Appl, Montreal, PQ H3C 3P8, Canada
来源：
JOURNAL OF POWER SOURCES | 2007年 / 165卷 / 02期
关键词：
manganese dioxide; supercapacitors; electrochemical capacitors;
D O I：
10.1016/j.jpowsour.2006.10.060
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Non-substituted gamma-MnO2 and gamma-Mn(1-y)A(y)O(2-delta) (A=Co, Al) compounds synthesized by the electrochemical-hydrothermal route have been studied as active electrode materials for aqueous electrochemical supercapacitors. Advantage of the Mn to Co or Al substitution was taken in order to increase the surface area of gamma-Mn(1-y)A(y)O(2-delta) materials, thus leading to enhanced supercapacitive behavior. The effect of the surface area on the specific capacitance value and its origin, i.e. double layer or faradic, is discussed. (c) 2006 Elsevier B.V. All rights reserved.
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收藏
页码：651 / 655
页数：5
相关论文
共 17 条
[1]   Investigation of thin sputtered Mn films for electrochemical capacitors [J].
Broughton, JN ;
Brett, MJ .
ELECTROCHIMICA ACTA, 2004, 49 (25) :4439-4446
[2]   STRUCTURAL AND ELECTROCHEMICAL PROPERTIES OF THE PROTON GAMMA-MNO2 SYSTEM [J].
CHABRE, Y ;
PANNETIER, J .
PROGRESS IN SOLID STATE CHEMISTRY, 1995, 23 (01) :1-130
[3]  
Conway B. E., 1999, ELECTROCHEMICAL SUPE
[4]   Studies and characterisations of various activated carbons used for carbon/carbon supercapacitors [J].
Gamby, J ;
Taberna, PL ;
Simon, P ;
Fauvarque, JF ;
Chesneau, M .
JOURNAL OF POWER SOURCES, 2001, 101 (01) :109-116
[5]   Nanofibrous α-, β-, γ- and α•γ-manganese dioxides prepared by the hydrothermal- electrochemical technique -: I.: Synthesis and characterization [J].
Hill, LI ;
Verbaere, A ;
Guyomard, D .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2003, 150 (08) :D135-D148
[6]   Mechanisms of expression of HHV8, EBV and HPV in selected HIV-associated oral lesions [J].
Hille, JJ ;
Webster-Cyriaque, J ;
Palefski, JM ;
Raab-Traub, N .
ORAL DISEASES, 2002, 8 :161-168
[7]   Electrochemical supercapacitor material based on manganese oxide: preparation and characterization [J].
Jiang, JH ;
Kucernak, A .
ELECTROCHIMICA ACTA, 2002, 47 (15) :2381-2386
[8]   Supercapacitor behavior with KCl electrolyte [J].
Lee, HY ;
Goodenough, JB .
JOURNAL OF SOLID STATE CHEMISTRY, 1999, 144 (01) :220-223
[9]   Electrochemical capacitors with KCl electrolyte [J].
Lee, HY ;
Manivannan, V ;
Goodenough, JB .
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE C-CHIMIE, 1999, 2 (11-13) :565-577
[10]   Electrochemical synthesis of new substituted manganese oxides for lithium battery applications [J].
Machefaux, E. ;
Verbaere, A. ;
Guyomard, D. .
JOURNAL OF POWER SOURCES, 2006, 157 (01) :443-447
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