Non-Electrode Components for Rechargeable Aqueous Zinc Batteries: Electrolytes, Solid-Electrolyte-Interphase, Current...

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Rechargeable aqueous zinc batteries (AZBs) are attractive for grid-scale energy storage due to safety, cost, and environmental benefits.
• Recent progress in AZBs has been significantly driven by innovations in non-electrode components, not just electrode materials.

Purpose of the Study:

• To comprehensively review recent advancements in non-electrode components for AZBs.
• To highlight the critical role of electrolytes, SEI, current collectors, binders, and separators in enhancing AZB performance.

Main Methods:

• Literature review of recent research on AZB non-electrode components.
• Analysis of new electrolyte types, SEI tailoring strategies, and multi-functional component designs.
• Identification of current challenges and future research directions.

Main Results:

• Breakthroughs in non-electrode components have enabled higher energy and power densities in AZBs.
• New electrolytes, tailored SEI, and advanced current collectors, binders, and separators are key innovations.
• Significant challenges remain in optimizing these components for long-term stability and efficiency.

Conclusions:

• Non-electrode components are pivotal for the development of high-performance AZBs.
• Further research into novel electrolytes, SEI engineering, and integrated component design is essential.
• Addressing current challenges will accelerate the commercialization of AZB technology.