Peony pollen derived nitrogen-doped activated carbon for supercapacitor application

查看全文 作　　者：Yiming [1]Liu;Zhongxun [2]An;Mingxia [2]Wu;Anbao [1]Yuan;Hongbin [1]Zhao;Jiujun [1]Zhang;Jiaqiang [1]Xu

机构地区：[1]NEST Lab,Department of Physics,Department of Chemistry,College of Sciences,Shanghai University,Shanghai 200444,China;[2]National Engineering Research Center for Supercapacitor for Vechicles,Shanghai AOWEI Technology Development Co.,Ltd.,Shanghai 201203,China

出　　处：《Chinese Chemical Letters》索引2020年第31卷第6期,共4页

基　　金：financial supports from the National Key Research and Development Program of China(Nos.2017YFB0102200,2017YFB0102900)。 摘　　要：Peony pollen is a cheap and readily available biomass material with a relatively high protein content.In this work,it was employed as an N-rich precursor to prepare the nitrogen-doped porous carbon for supercapacitor application.The porous carbon microspheres were prepared through a hydrothermal method and subsequent carbonization process.Notably,ammonium borofruoride and potassium hydroxide were employed respectively as an etchant and an activator to modify the porosity of the materials.The as prepared ANPPCs-700 has a super high BET specific surface area of 824.69 m^2/g.The microstructure,chemical state and electrochemical properties of the product were investigated in detail.The prepared nitrogen-doped carbon microspheres exhibits excellent specific capacity of 209 F/g at a current density of lA/g and remained 92.5%of the initial capacitance after 5000 deep cycles at 5 A/g. 关键词：SUPERCAPACITORS Biomass NITROGEN-DOPED Hierarchical carbon Peony pollen

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Peony pollen derived nitrogen-doped activated carbon for supercapacitor application

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