Heterostructures Regulating Lithium Polysulfides for Advanced Lithium-Sulfur Batteries

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Lithium-sulfur batteries face challenges from sluggish reaction kinetics and lithium polysulfide shuttling.
• Single-component materials struggle to effectively address these issues in lithium-sulfur batteries.

Purpose of the Study:

• To analyze the principles of heterostructures in expediting lithium polysulfide conversion and anchoring.
• To systematically review the application of heterostructures in improving lithium-sulfur battery performance.

Main Methods:

• Detailed analysis of heterostructure principles for polysulfide management.
• Systematic review of heterostructures used as sulfur hosts, interlayers, and separator modifiers.

Main Results:

• Heterostructures offer unique properties for efficient catalysis and strong adsorption of lithium polysulfides.
• Applications reviewed demonstrate improved kinetics and reduced shuttling effects in lithium-sulfur batteries.

Conclusions:

• Heterostructures are promising for advanced lithium-sulfur batteries.
• Future research should address remaining challenges for practical application.