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郑洪河教授课题组在Nanoscale (IF ,一区)上发表研究论文

来源:球探体育比分老版本 发布者:系统管理员发布时间:2015-03-05浏览次数:856

标    题:
Facile fabrication of NH4CoPO4$H2O nano/microstructures and their primarily application as electrochemical supercapacitor?
作    者:
Huan Pang,* Zhenzhen Yan, Weiqiang Wang, Jing Chen,Jiangshan Zhang and Honghe Zheng*
论文摘要:

Various NH4CoPO4$H2O nano/microstructures (oblong plate, microplate, microflower, hierarchical architectures) have been synthesized through a facile chemical precipitation method without surfactants and templates. More importantly, the supercapacitive performances of NH4CoPO4$H2O nano/microstructures were firstly studied using cyclic voltammetry, galvanostatic charge/discharge measurements, and electrochemical impedance spectroscopy methods in 3.0 M KOH solution. These results indicated that NH4CoPO4$H2O hierarchical architectures electrodes exhibit effective supercapacitive characteristics in aqueous KOH electrolyte. The specific capacitance of NH4CoPO4$H2O electrode is up to 369.4 F g _1 at a current density of 0.625 A g_1 and the material has a long cycle life which can maintain 99.7% of initial specific capacitance after 400 cycles.
原文链接:
http://dx.doi.org/10.1039/c2nr31208e