An electrochemical double layer capacitor based on nanocrystalline lead ruthenate pyrochlore

被引：12

作者：

Bang, HJ ^{[1
]}

Lu, WQ ^{[1
]}

Cao, F ^{[1
]}

Prakash, J ^{[1
]}

机构：

[1] IIT, Ctr Electrochem Sci & Engn, Dept Environm Chem & Engn, Chicago, IL 60616 USA

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2000年 / 2卷 / 09期

关键词：

electrochemical capacitors; double layer; capacitance; pyrochlore;

D O I：

10.1016/S1388-2481(00)00096-5

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Lead ruthenate pyrochlore Pb2Ru2O7-x was synthesized as a new electrode material for aqueous-electrolyte electrochemical capacitors. The material was characterized using X-ray diffraction, thermogravimetric analysis, BET area analysis, and cyclic voltammetry. Redox processes significantly improve the capacitance of the materials compared to the conventional double layer capacitors. For materials heated at low temperatures, the redox processes merge smoothly resulting in an excellent capacitive behavior. The capacitors built with the lead-ruthenate electrodes show an excellent electrochemical performance under constant-power discharge. (C) 2000 Elsevier Science S.A. All rights reserved.

引用

页码：653 / 657

页数：5

共 14 条

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