Wang, C;
Xu, Y;
Fang, Y;
Zhou, M;
Liang, L;
Singh, S;
Zhao, H;
... Lei, Y; + view all
(2015)
Extended pi-Conjugated System for Fast-Charge and -Discharge Sodium-Ion Batteries.
Journal of the American Chemical Society
, 137
(8)
pp. 3124-3130.
10.1021/jacs.5b00336.
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Abstract
Organic sodium-ion batteries (SIBs) are potential alternatives of current commercial inorganic lithium-ion batteries for portable electronics (especially wearable electronics) because of their low cost and flexibility, making them possible to meet the future flexible and large-scale requirements. However, only a few organic SIBs have been reported so far, and most of them either were tested in a very slow rate or suffered significant performance degradation when cycled under high rate. Here, we are focusing on the molecular design for improving the battery performance and addressing the current challenge of fast-charge and -discharge. Through reasonable molecular design strategy, we demonstrate that the extension of the π-conjugated system is an efficient way to improve the high rate performance, leading to much enhanced capacity and cyclability with full recovery even after cycled under current density as high as 10 A g–1.
| Type: | Article |
|---|---|
| Title: | Extended pi-Conjugated System for Fast-Charge and -Discharge Sodium-Ion Batteries |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1021/jacs.5b00336 |
| Publisher version: | https://doi.org/10.1021/jacs.5b00336 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10076512 |
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