Nanoporous Co3o4 plates as highly electroactive materials for electrochemical energy storage

被引：0

作者：

Gou, Wangyan ^{[1
]}

Zhou, Xuemei ^{[1
]}

Li, Jing ^{[1
]}

Ma, Yuanyuan ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Ctr Appl Chem Res, Frontier Inst Sci & Technol, Xian 710049, Peoples R China

来源：

MATERIALS LETTERS | 2016年 / 180卷

关键词：

Nanoporous Co(3)o(4) plates; Supercapacitor; Lithium ion battery; Porous materials; NANOSTRUCTURED CO3O4; SUPERCAPACITOR; MORPHOLOGY; ROUTE;

D O I：

10.1016/J.MATLET.2016.05.171

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanoporous Co3O4 plates are synthesized by a facile approach combining hydrothermal treatment and subsequent calcination. Nanoporous Co3O4 plates with a large surface area (161.9 m(2) g(-1)), small crystalline size (similar to 3.0 nm) and thin thickness (similar to 10 nm) show potentials for electrochemical energy storage. Nanoporous Co3O4 plates as electroactive materials for supercapacitor displayed a good rate capability and specific capacitance of 356.6 F g(-1) at 0.4 A/g without any obvious degradation over 2500 cycles. They also delivered a high specific capacity of 944.4 mA h g(-1) at 100 mA g(-1) and a good rate capability as the anodes for lithium-ion batteries. 0 2016 Elsevier B.V. All rights reserved.

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页码：207 / 211

页数：5

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