Novel core/shell CoSe2@PPy nanoflowers for high-performance fiber asymmetric supercapacitors†,Journal of Materials Chemistry A

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Novel core/shell CoSe2@PPy nanoflowers for high-performance fiber asymmetric supercapacitors†
Journal of Materials Chemistry A ( IF 10.7 ) Pub Date : 2018-04-30 00:00:00 , DOI: 10.1039/c8ta02056f
Qiufan Wang _{1,

2,

3,

4,

5} , Yun Ma _{1,

2,

3,

4,

5} , Xiao Liang _{1,

2,

3,

4,

5} , Daohong Zhang _{1,

2,

3,

4,

5} , Menghe Miao _{6,

7}

Affiliation

Nanostructured CoSe₂ chrysanthemum flower are synthesized via a simple hydrothermal route. The highly hierarchical and electrochemically active material is electrodeposited with PPy to produce high performance CoSe₂@PPy core/shell structured electrodes. A flexible fiber asymmetric supercapacitor (FASC) assembled from a CoSe₂@PPy core/shell positive electrode and an electrochemically activated carbon fiber (EACF) negative electrode exhibits high volumetric energy density, superior flexibility and long lifespan. The resulting FASC has been used to power a mini-scale flexible photodetector, demonstrating great potential for the development of high performance energy storage devices.

中文翻译：

用于高性能光纤非对称超级电容器的新型核/壳CoSe ₂ @PPy纳米花†

通过简单的水热法合成了纳米结构的CoSe ₂菊花花。用PPy电沉积高度分层且具有电化学活性的材料，以生成高性能的CoSe ₂ @PPy核/壳结构电极。由CoSe ₂ @PPy核/壳正电极和电化学活性碳纤维（EACF）负电极组装而成的柔性纤维非对称超级电容器（FASC）具有高体积能量密度，优异的柔韧性和长寿命。由此产生的FASC已用于为小型柔性光电探测器提供动力，证明了开发高性能储能设备的巨大潜力。

更新日期：2018-04-30

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