A Brief Review on Multivalent Intercalation Batteries with Aqueous Electrolytes

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Growing demand for high energy density rechargeable batteries necessitates alternatives to lithium-ion technology.
• Multivalent battery systems offer advantages like higher charge capacity and multi-electron transfer.
• Aqueous electrolytes are being investigated for multivalent intercalation batteries due to cost, safety, and fabrication benefits.

Purpose of the Study:

• To provide a concise overview of recent advancements in aqueous electrolyte-based multivalent intercalation batteries.
• To highlight key electrode chemistries, functionalities, and challenges in this rapidly developing field.

Main Methods:

• Literature review of recent publications on multivalent battery systems in aqueous electrolytes.
• Analysis of electrode materials, electrochemical performance, and safety aspects.
• Synthesis of findings to identify current progress and future research directions.

Main Results:

• Several multivalent battery chemistries in aqueous electrolytes demonstrate significant potential.
• Challenges related to electrode stability, ion transport, and overall battery performance persist.
• Ongoing research is addressing these challenges to improve energy density and cycle life.

Conclusions:

• Aqueous multivalent intercalation batteries represent a promising avenue for next-generation energy storage.
• Further research is crucial to overcome existing challenges and realize their full potential.
• This field is rapidly advancing, driven by the need for safer, more affordable, and higher-performing batteries.