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Nitrogen-Superdoped 3D Graphene Networks for High-Performance Supercapacitors
Zhang, Weili; Xu, Chuan; Ma, Chaoqun; Li, Guoxian; Wang, Yuzuo; Zhang, Kaiyu; Li, Feng; Liu, Chang; Cheng, Hui-Ming; Du, Youwei; Tang, Nujiang; Ren, Wencai; Tang, NJ (reprint author), Nanjing Univ, Jiangsu Prov Key Lab Nanotechnol, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China.; Ren, WC (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
2017-09-27
发表期刊WILEY-V C H VERLAG GMBH
ISSN0935-9648
卷号29期号:36页码:-
摘要An N-superdoped 3D graphene network structure with an N-doping level up to 15.8 at% for high-performance supercapacitor is designed and synthesized, in which the graphene foam with high conductivity acts as skeleton and nested with N-superdoped reduced graphene oxide arogels. This material shows a highly conductive interconnected 3D porous structure (3.33 S cm(-1)), large surface area (583 m(2) g(-1)), low internal resistance (0.4 Omega ), good wettability, and a great number of active sites. Because of the multiple synergistic effects of these features, the supercapacitors based on this material show a remarkably excellent electrochemical behavior with a high specific capacitance (of up to 380, 332, and 245 F g(-1) in alkaline, acidic, and neutral electrolytes measured in three-electrode configuration, respectively, 297 F g(-1) in alkaline electrolytes measured in two-electrode configuration), good rate capability, excellent cycling stability (93.5% retention after 4600 cycles), and low internal resistance (0.4 Omega), resulting in high power density with proper high energy density.; An N-superdoped 3D graphene network structure with an N-doping level up to 15.8 at% for high-performance supercapacitor is designed and synthesized, in which the graphene foam with high conductivity acts as skeleton and nested with N-superdoped reduced graphene oxide arogels. This material shows a highly conductive interconnected 3D porous structure (3.33 S cm(-1)), large surface area (583 m(2) g(-1)), low internal resistance (0.4 Omega ), good wettability, and a great number of active sites. Because of the multiple synergistic effects of these features, the supercapacitors based on this material show a remarkably excellent electrochemical behavior with a high specific capacitance (of up to 380, 332, and 245 F g(-1) in alkaline, acidic, and neutral electrolytes measured in three-electrode configuration, respectively, 297 F g(-1) in alkaline electrolytes measured in two-electrode configuration), good rate capability, excellent cycling stability (93.5% retention after 4600 cycles), and low internal resistance (0.4 Omega), resulting in high power density with proper high energy density.
部门归属[zhang, weili ; zhang, kaiyu ; du, youwei ; tang, nujiang] nanjing univ, jiangsu prov key lab nanotechnol, collaborat innovat ctr adv microstruct, natl lab solid state microstruct, nanjing 210093, jiangsu, peoples r china ; [xu, chuan ; ma, chaoqun ; li, guoxian ; wang, yuzuo ; li, feng ; liu, chang ; cheng, hui-ming ; ren, wencai] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china
关键词Electrochemical Behaviors Graphene Foams Highly Conductive Nitrogen-superdoping Reduced Graphene Oxide
学科领域Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
资助者MOST [2014CB921102, 2014CB932402, 2016YFA0200101]; National Science Foundation of China [51572122, 51325205, 51290273, 51521091]; Chinese Academy of Sciences [XDA01020304, KGZD-EW-303-1, KGZD-EW-T06]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79084
专题中国科学院金属研究所
通讯作者Tang, NJ (reprint author), Nanjing Univ, Jiangsu Prov Key Lab Nanotechnol, Collaborat Innovat Ctr Adv Microstruct, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China.; Ren, WC (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, Weili,Xu, Chuan,Ma, Chaoqun,et al. Nitrogen-Superdoped 3D Graphene Networks for High-Performance Supercapacitors[J]. WILEY-V C H VERLAG GMBH,2017,29(36):-.
APA Zhang, Weili.,Xu, Chuan.,Ma, Chaoqun.,Li, Guoxian.,Wang, Yuzuo.,...&Ren, WC .(2017).Nitrogen-Superdoped 3D Graphene Networks for High-Performance Supercapacitors.WILEY-V C H VERLAG GMBH,29(36),-.
MLA Zhang, Weili,et al."Nitrogen-Superdoped 3D Graphene Networks for High-Performance Supercapacitors".WILEY-V C H VERLAG GMBH 29.36(2017):-.
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