Wang, Jian and Li, Zhaojin and Wang, Qiujun and Sun, Huilan and Woo, Haw Jiunn and Aziz, Shujahadeen B. and Husin, N. Z. Nik and T. Subramaniam, Ramesh and Wang, Bo (2024) Constructing cation-coupled MoSe2/FeSe/C heterostructures for rapid and efficient sodium ion transport. ACS Materials Letters, 6 (1). 222 – 232. ISSN 2639-4979, DOI https://doi.org/10.1021/acsmaterialslett.3c01301.
Full text not available from this repository.Abstract
Low electron conductivity and slow ion dynamics are the two key barriers limiting the use of transition-metal selenide (TMSe) anodes for high-power energy storage device applications. A rational structural design for TMSe can effectively promote the rapid transfer of Na+ on the surface and bulk phase. Presently, a cation-coupled MoSe2/FeSe/C heterostructure is developed by a facile two-step reaction and applied to sodium ion batteries/capacitors (SIBs/SICs). Wherein, a unique edge mixed phase (1T/2H-MoSe2) is generated under Fe induction. Additionally, the metal-organic framework-derived carbon guarantees structural stability and provides support for the rapid adsorption and transport of Na+ on the surface and bulk. Significantly, density functional theory (DFT) calculations verify that the constructed MoSe2/FeSe heterogeneous interface has a strong metallic property that can facilitate the rapid transfer of electrons and ions within the bulk phase. As a result, the prepared MoSe2/FeSe/C can deliver a high specific capacity of 597.2 mA h g-1 (after 1000 cycles) at a current density of 2 A g-1 when applied as the anode of SIBs. Impressively, 3000 cycles can be stabilized, even at a high current density of 10 A g-1. When applied to SIC anodes, a capacity retention of 80.4 can be achieved at 2 A g-1 after 8000 cycles. The strategy of combining cation-coupled induced phase transitions with heterostructure design can serve as a reference for exploring the potential of TMSe in high-power energy storage devices. © 2023 American Chemical Society
| Item Type: | Article |
|---|---|
| Funders: | National Natural Science Foundation of China [Grant no. 22008053, 52002111], Ministry of Higher Education, Malaysia [Grant no. FRGS/1/2022/STG05/UM/02/3], Natural Science Foundation of Hebei Province [Grant no. B2021208061, B2022208006], Universiti Malaya [Grant no. ST089-2022] |
| Additional Information: | Low electron conductivity; Slow ion dynamics; Transition-metal selenide; Cation-coupled MoSe2/FeSe/C heterostructure; Sodium ion batteries/capacitors |
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Department of Physics |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 23 Apr 2024 01:56 |
| Last Modified: | 23 Apr 2024 01:56 |
| URI: | http://eprints.um.edu.my/id/eprint/44984 |
Actions (login required)
 |
View Item |
