Selectively anchored vanadate host for self-boosting catalytic synthesis of ultra-fine vanadium nitride/nitrogen-doped hierarchical carbon hybrids as superior electrode materials
文献类型：期刊论文
| 作者 | Yang, Hailun1,2,3; Ning, Pengge1,3; Cao, Hongbin1,3; Yuan, Menglei1,2; Feng, Jianpeng1; Yue, Jiaxin1,2; Liu, Zhenchao1,3; Xu, Gaojie1,3; Li, Yuping1,3 |
| 刊名 | ELECTROCHIMICA ACTA
 |
| 出版日期 | 2020-02-01 |
| 卷号 | 332页码:11 |
| 关键词 | Metal-organic compounds Solvent extraction Vanadium nitride Hierarchical structured carbon hybrids Supercapacitor |
| ISSN号 | 0013-4686 |
| DOI | 10.1016/j.electacta.2019.135387 |
| 英文摘要 | Hierarchically nanostructured carbon hybrids with highly exposed active sites and specific surface area have been widely researched in high-performed electrochemical capacitors. Inspired from the synergistic effect of uniformly distributed active components and stable carbon substrate, combining with green solvent extraction process, we explored a facile strategy to prepare vanadium nitride quantum dots/nitrogen-doped hierarchical carbon nanocomposites (VNQD/NDHCs) from vanadium aqueous solution, which can provide large pseudocapacitance and excellent electrochemical stability. Vanadate is selective recovered from aqueous solution in form of vanadium-organic compounds (VAORCs) as precursor. Primary amines favor not only the selective metal-polymer coordination, but also the formation of crosslinked carbon matrix. Then, during chemical molecules vapor deposition (CMVD), the vanadate is in-situ nitrided along with the formation of hierarchical carbon. The prepared VNQD/NDHCs-800 exhibits exceptional capacitance (318.3 F g(-1) at 1 A g(-1)) and retains 89.7% of the initial capacities after 12000 cycles. SEM and TEM images confirm that a large amount of quantum dots are well embedded in a graphitic carbon matrix, which provides abundant electroactive sites and fast ion diffusion for capacitive storage. This work indicates that it is feasible to directly recovery valuable metals from aqueous solutions to prepare high-performance electrode materials. (C) 2019 Published by Elsevier Ltd. |
| WOS关键词 | POROUS CARBON ; GRAPHENE NANOCOMPOSITES ; TEMPERATURE SYNTHESIS ; TEMPLATE SYNTHESIS ; ANODE MATERIALS ; NITRIDE ; COMPOSITE ; EXTRACTION ; NANOSHEETS ; RECOVERY |
| 资助项目 | Youth Innovation Promotion Association, CAS[2016042] ; National Science Fund for Distinguished Young Scholars of China[51425405] |
| WOS研究方向 | Electrochemistry |
| 语种 | 英语 |
| WOS记录号 | WOS:000506201800024 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 资助机构 | Youth Innovation Promotion Association, CAS ; National Science Fund for Distinguished Young Scholars of China |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/38521]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Ning, Pengge |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, Beijing Engn Res Ctr Proc Pollut Control, Div Environm Technol & Engn, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yang, Hailun,Ning, Pengge,Cao, Hongbin,et al. Selectively anchored vanadate host for self-boosting catalytic synthesis of ultra-fine vanadium nitride/nitrogen-doped hierarchical carbon hybrids as superior electrode materials[J]. ELECTROCHIMICA ACTA,2020,332:11. |
| APA | Yang, Hailun.,Ning, Pengge.,Cao, Hongbin.,Yuan, Menglei.,Feng, Jianpeng.,...&Li, Yuping.(2020).Selectively anchored vanadate host for self-boosting catalytic synthesis of ultra-fine vanadium nitride/nitrogen-doped hierarchical carbon hybrids as superior electrode materials.ELECTROCHIMICA ACTA,332,11. |
| MLA | Yang, Hailun,et al."Selectively anchored vanadate host for self-boosting catalytic synthesis of ultra-fine vanadium nitride/nitrogen-doped hierarchical carbon hybrids as superior electrode materials".ELECTROCHIMICA ACTA 332(2020):11. |
入库方式： OAI收割
来源：过程工程研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。