Energy storage materials derived from Prussian blue analogues.

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Prussian blue analogues (PBAs) possess open frameworks ideal for energy storage applications.
• Their tridimensional ionic diffusion paths, ease of preparation, and low cost make them highly attractive.
• PBAs are versatile materials for alkali-ion, multi-valent ion, and metal-air batteries.

Purpose of the Study:

• To review recent advancements in using PBAs and their derivatives for energy storage.
• To discuss key factors and strategies for enhancing PBA performance as battery materials.
• To explore the role of PBA architectures and morphologies in battery anodes and metal-air catalysts.

Main Methods:

• Literature review of recent research on PBAs in energy storage.
• Analysis of strategies for improving electrochemical performance, including vacancy control, morphology optimization, and carbon coating.
• Examination of PBA derivatives as catalysts in metal-air batteries.

Main Results:

• PBAs show significant potential as cathode materials in rechargeable batteries.
• Optimizing PBA properties like vacancies, water content, morphology, and carbon coating enhances electrochemical performance.
• Diverse PBA architectures are crucial for anode materials in lithium/sodium-ion batteries.
• Prussian blue derivatives demonstrate catalytic activity in metal-air batteries.

Conclusions:

• PBAs are promising, cost-effective materials for diverse energy storage systems.
• Tailoring PBA structure and composition is key to unlocking their full potential.
• Further research into PBAs can lead to breakthroughs in battery technology and catalysis.