Graphene-Based Materials for Flexible Lithium-Sulfur Batteries.

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Wearable electronics require flexible batteries with high stability and energy density.
• Flexible lithium-sulfur batteries (FLSBs) offer high theoretical energy density but suffer from low practical energy density, short lifespan, and poor flexibility.
• Graphene-based materials are explored to overcome these limitations due to their conductivity and flexibility.

Purpose of the Study:

• To review recent advancements in graphene-based materials for flexible lithium-sulfur batteries (FLSBs).
• To highlight the role of graphene in enhancing FLSB performance.
• To discuss strategies for optimizing FLSBs for flexibility, energy density, and cycling stability.

Main Methods:

• Review of literature on graphene-based materials in FLSB components (cathodes, interlayers, anodes).
• Analysis of nanostructures, graphene efficacy, and interfacial effects.
• Examination of battery layout strategies.

Main Results:

• Graphene-based materials demonstrate synergistic effects with other components, improving FLSB performance.
• Precise nanostructure engineering and optimized interfacial effects are crucial.
• Multifunctional graphene materials play a pivotal role in achieving desired battery characteristics.

Conclusions:

• Graphene-based materials are essential for developing high-performance FLSBs.
• Further research on nanostructures, interfaces, and battery design is needed to realize practical FLSBs with excellent flexibility, energy density, and stability.