High energy density supercapacitor based on N/B co-doped graphene nanoarchitectures and ionic liquid electrolyte
文献类型：期刊论文
| 作者 | Yu, Zhongliang1,2; Zhang, Jiahe2; Xing, Chunxian2; Hu, Lei2,3; Wang, Lili2,3; Ding, Ming3; Zhang, Haitao2 |
| 刊名 | IONICS
 |
| 出版日期 | 2019-09-01 |
| 卷号 | 25期号:9页码:4351-4360 |
| 关键词 | Doping effect Graphene Supercapacitor Ionic liquid |
| ISSN号 | 0947-7047 |
| DOI | 10.1007/s11581-019-02987-6 |
| 英文摘要 | Boron-nitrogen co-doped graphene nanoarchitectures were synthesized by annealing a freeze-dried precursor containing exfoliated graphene oxide (GO) nanosheets, ammonium borate, and polyvinyl alcohol (PVA). The microstructures and composition of nanocomposites were optimized and characterized systemically. Effects of a doping element on the electrochemical performances and interface compatibility were evaluated. The restacking of exfoliated graphene nanosheets was hindered effectively by the ultra-fine carbon clusters formed via the thermal decomposition of PVA. Such a three-dimensional structure favors the fast mobility of electrolyte ions. In addition, the co-doping of N and B elements not only increases interface compatibility between ionic liquid electrolyte and graphene but also supplies extra pseudocapacitance. Benefiting from the integrated merits, the optimized nanocomposites could deliver a specific capacitance of 35.4 F g(-1) at 1 A g(-1) and present a maximum energy density of 78.7 Wh kg(-1) with a power density of 2043 W kg(-1). Due to the formation of more decoupled ions in ionic liquid electrolyte at elevated temperature, the symmetric supercapacitors based on the as-formed nanocomposite exhibit a maximum energy density of 134.6 Wh kg(-1) at 60 degrees C. |
| WOS关键词 | ASYMMETRIC SUPERCAPACITORS ; 3-DIMENSIONAL NITROGEN ; MESOPOROUS CARBON ; POROUS CARBON ; BORON ; OXIDE ; CAPACITANCE ; NANOSHEETS ; REDUCTION ; CATHODE |
| 资助项目 | National Key Research and Development Program of China[2016YFB0100303] ; Key Research Program of Frontier Sciences[QYZDY-SSW-JSC011] ; National Natural Science Foundation of China[21878308] |
| WOS研究方向 | Chemistry ; Electrochemistry ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000481943500033 |
| 出版者 | SPRINGER HEIDELBERG |
| 资助机构 | National Key Research and Development Program of China ; Key Research Program of Frontier Sciences ; National Natural Science Foundation of China |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/30614]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Zhang, Haitao |
| 作者单位 | 1.Hefei Univ, Dept Biol & Environm Engn, Hefei 230601, Anhui, Peoples R China 2.Chinese Acad Sci, Key Lab Green Proc & Engn, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, Beijing 100190, Peoples R China 3.Hefei Univ, Dept Chem & Mat Engn, Hefei 230601, Anhui, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yu, Zhongliang,Zhang, Jiahe,Xing, Chunxian,et al. High energy density supercapacitor based on N/B co-doped graphene nanoarchitectures and ionic liquid electrolyte[J]. IONICS,2019,25(9):4351-4360. |
| APA | Yu, Zhongliang.,Zhang, Jiahe.,Xing, Chunxian.,Hu, Lei.,Wang, Lili.,...&Zhang, Haitao.(2019).High energy density supercapacitor based on N/B co-doped graphene nanoarchitectures and ionic liquid electrolyte.IONICS,25(9),4351-4360. |
| MLA | Yu, Zhongliang,et al."High energy density supercapacitor based on N/B co-doped graphene nanoarchitectures and ionic liquid electrolyte".IONICS 25.9(2019):4351-4360. |
入库方式： OAI收割
来源：过程工程研究所
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