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Published on: April 10, 2018
A Curvature-Modulated Strategy for Single-Atom Catalysts toward Reciprocal Regulation in Li-S Batteries
Miaoyu Lu1,2, Tao Ye3, Yuyuan Wang1
1College of Energy, Soochow Institute for Energy and Materials Innovations, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou 215123, China.
Nano Letters
|July 3, 2026
Summary
Curved single-atom catalysts optimize both electrodes in lithium-sulfur (Li-S) batteries. This approach enhances polysulfide capture and lithium deposition, boosting battery performance.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Single-atom catalysts show promise for lithium-sulfur (Li-S) batteries.
- The impact of substrate curvature on these catalysts is not well understood.
Purpose of the Study:
- To investigate how substrate curvature affects cobalt single-atom catalysts.
- To optimize both cathode and anode performance in Li-S batteries.
Main Methods:
- Modulating the curvature of carbon nanotube supports for Co single-atom catalysts.
- Evaluating catalyst performance at both the cathode and anode.
Main Results:
- Curved catalysts enhanced polysulfide capture and sulfur redox kinetics at the cathode.
- Curved catalysts promoted uniform Li deposition and Li+ transport at the anode.
- Achieved a discharge capacity of 1122.2 mAh g-1 at 0.2 C in a Li-S full cell.
Conclusions:
- Substrate curvature plays a distinct role in optimizing single-atom catalysts for both electrodes in Li-S batteries.
- Curvature-modulated single-atomic mediators offer a new strategy for developing high-performance Li-S batteries.
