Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/112240
Citations | ||
Scopus | Web of Science® | Altmetric |
---|---|---|
?
|
?
|
Type: | Journal article |
Title: | A high energy and power sodium-ion hybrid capacitor based on nitrogen-doped hollow carbon nanowires anode |
Author: | Li, D. Ye, C. Chen, X. Wang, S. Wang, H. |
Citation: | Journal of Power Sources, 2018; 382:116-121 |
Publisher: | Elsevier BV |
Issue Date: | 2018 |
ISSN: | 0378-7753 1873-2755 |
Statement of Responsibility: | Dongdong Li, Chao Ye, Xinzhi Chen, Suqing Wang, Haihui Wang |
Abstract: | The sodium ion hybrid capacitor (SHC) has been attracting much attention. However, the SHC's power density is significantly confined to a low level due to the sluggish ion diffusion in the anode. Herein, we propose to use an electrode with a high double layer capacitance as the anode in the SHC instead of insertion anodes. To this aim, nitrogen doped hollow carbon nanowires (N-HCNWs) with a high specific surface area are prepared, and the high capacitive contribution during the sodium ion storage process is confirmed by a series of electrochemical measurements. A new SHC consisting of a N-HCNW anode and a commercial active carbon (AC) cathode is fabricated for the first time. Due to the hybrid charge storage mechanism combining ion insertion and capacitive process, the as-fabricated SHC strikes a balance between the energy density and power density, a energy density of 108 Wh kg⁻¹ and a power density of 9 kW kg⁻¹ can be achieved, which overwhelms the electrochemical performances of most reported AC-based SHCs. |
Keywords: | Sodium-ion hybrid capacitor; anode; capacitive contribution; nanowires; full carbon energy storage devices |
Description: | Available online 22 February 2018 |
Rights: | © 2018 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.jpowsour.2018.02.036 |
Grant ID: | http://purl.org/au-research/grants/arc/FT140100757 |
Published version: | http://dx.doi.org/10.1016/j.jpowsour.2018.02.036 |
Appears in Collections: | Aurora harvest 8 Chemical Engineering publications |
Files in This Item:
There are no files associated with this item.
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.