高倍率长循环锂硫电池中te调制铁单原子协同双向催化

IF 36.3 1区材料科学 Q1 Engineering

Nano-Micro Letters Pub Date : 2025-08-11 DOI:10.1007/s40820-025-01873-3

Jian Guo, Lu Chen, Lijun Wang, Kangfei Liu, Ting He, Jia Yu, Hongbin Zhao

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引用次数: 0

摘要

Te调制器诱导极化电荷分布，优化了中心Fe位的电子结构，提高了d带中心，增强了费米能级附近的态密度。催化剂与硫种之间的d-p轨道杂化强化优化了对LiPSs的吸附行为，促进了Li-S电池的双向氧化还原过程。Fe-Te原子对催化剂赋予Li-S电池卓越的倍率性能、非凡的循环稳定性和预期的面积容量。

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Te-Modulated Fe Single Atom with Synergistic Bidirectional Catalysis for High-Rate and Long–Cycling Lithium-Sulfur Battery

Highlights

The Te modulator induces a polarized charge distribution to optimize the electronic structure of the central Fe site, elevating the d-band center and enhancing the density of states near the Fermi level.
Strengthened d-p orbital hybridization between the catalyst and sulfur species optimizes the adsorption behavior toward LiPSs and facilitates the bidirectional redox process of Li-S batteries.
The Fe-Te atom pair catalyst endows Li-S batteries remarkable rate performance, extraordinary cycling stability and anticipated areal capacity.

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

32.60

自引率

4.90%

发文量

981

审稿时长

1.1 months

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary, and open-access journal published under the SpringerOpen brand. Nano-Micro Letters focuses on the science, experiments, engineering, technologies, and applications of nano- or microscale structures and systems in various fields such as physics, chemistry, biology, material science, and pharmacy.It also explores the expanding interfaces between these fields. Nano-Micro Letters particularly emphasizes the bottom-up approach in the length scale from nano to micro. This approach is crucial for achieving industrial applications in nanotechnology, as it involves the assembly, modification, and control of nanostructures on a microscale.