Cutting-Edge Progress in Aqueous Zn-S Batteries: Innovations in Cathodes, Electrolytes, and Mediators

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Rechargeable aqueous zinc-sulfur batteries (AZSBs) are promising for sustainable energy due to low cost and safety.
• Current AZSBs face limitations in electrochemical performance, primarily slow kinetics and poor stability.
• Advancements are critical for realizing the full potential of AZSBs.

Purpose of the Study:

• To provide a comprehensive review of AZSB mechanisms and recent progress.
• To analyze modifications in electrodes and electrolytes for enhanced AZSB performance.
• To explore AZSB applications, market viability, and future research directions.

Main Methods:

• Literature review of primary mechanisms governing AZSBs.
• Assessment of recent advancements in AZSB materials and electrolytes.
• Analysis of modifications for sulfur cathodes and electrolyte compositions.

Main Results:

• Novel host materials enhance sulfur cathode capacity.
• Refined electrolytes improve ionic conductivity and stability.
• Exploration of diverse applications and market potential for AZSBs.

Conclusions:

• AZSBs show significant potential for sustainable energy storage.
• Continued research on electrode/electrolyte engineering is vital for stability and performance.
• This review offers insights for advancing AZSB technology towards a renewable energy future.