Electrochemical Capacitors Based on Nitrogen-Enriched Cobalt (II) Phthalocyanine/Multi-walled Carbon Nanotube Nanocomposites

被引：8

作者：

Lekitima, Joel N. ^{[1
]}

Ozoemena, Kenneth I. ^{[1
,2
]}

Kobayashi, Nagao ^{[3
]}

机构：

[1] Univ Pretoria, Dept Chem, ZA-0002 Pretoria, South Africa

[2] CSIR, Energy Proc Unit Mat Sci & Mfg, ZA-0001 Pretoria, South Africa

[3] Tohoku Univ, Grad Sch Sci, Dept Chem, Sendai, Miyagi 9808578, Japan

来源：

ELECTROCHEMICAL CAPACITORS | 2013年 / 50卷 / 43期

关键词：

ELECTRODE MATERIAL; OXIDE; FILMS; SUPERCAPACITOR; PORPHYRIN; PORPHYRAZINES; SURFACE;

D O I：

10.1149/05043.0125ecst

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A nitrogen-enriched metallophthalocyanine, Cobalt (II) tetrapyrazinoporphyrazine (CoTPyzPz), modified with acid or phenylamine functionalized multiwalled carbon nanotubes (MWCNTaf and MWCNTPhNH2) have been studied for application as an electrochemical capacitor in H2SO4. Both MWCNTaf/CoTPyzPz and MWCNTPhNH2/CoTPyzPz gave superior specific capacitance of 1984 and 2028 F.g(-1) respectively. This high capacitance is interpreted in terms of protonation and deprotonation of the porphyrazine macrocycle.

引用

页码：125 / 132

页数：8

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