Natural hematite-derived NiFe<sub>2</sub>O<sub>4</sub> as a separator modification material for improved Li–S battery performance
The shuttling effect of polysulfides in lithium-sulfur batteries seriously affects their performance. Herein, NiFe<sub>2</sub>O<sub>4</sub> derived from natural hematite is coated on a PP separator (NFO@PP), which can effectively block the shuttling of polysulfides and has strong adsorption and catalytic capabilities. The NFO@PP cell has an initial capacity of up to 1258.1 mA h g<sup>-1</sup> at 0.1C and still has 809.6 mA h g<sup>-1</sup> at 2C. Impressively, at 0.5C, the NFO@PP cell retains a specific capacity of 612.1 mA h g<sup>-1</sup> after 1000 cycles. The successful application of abundant natural hematite in lithium-sulfur batteries will certainly be of great significance to the development of more cost-effective energy storage devices.
Authors
- Haoxian Zhu
- Jiawen Cui (ORCID: https://orcid.org/0000-0002-6155-1266)
- Li Sun (ORCID: https://orcid.org/0000-0002-2108-0797)
- Lei Zhang (ORCID: https://orcid.org/0000-0001-7608-8350)
- Kun Yang (ORCID: https://orcid.org/0000-0003-0003-3198)
- Wei Li
Institutions
- China University of Geosciences (Beijing) (CN)
Publication Details
- Journal
- Chemical Communications
- Published
- 2025-01-01
- DOI
- https://doi.org/10.1039/d4cc05975a
- Citations
- 2
- Primary Topic
- Advanced Battery Materials and Technologies
- Type
- article
- Field-Weighted Citation Impact
- 1.46
Funders
- National Natural Science Foundation of China