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This is a Literature Review study (also classified as: Systematic Review).

August 19, 2025

Prussian Blue Analogs as Cathode Materials for Sodium‐Ion Batteries

Key Points

Prussian blue analogs show significant potential as cathodes for sodium-ion batteries, but face performance challenges in practical applications.
Key issues include the need for improved synthesis methods and material optimization strategies to enhance cathode performance.
The review covers electrochemical reaction mechanisms and performance barriers for prussian blue analogs in sodium-ion batteries.
Industrial viability of PBAs is assessed, suggesting forward-looking strategies for their application and commercialization.

Abstract

Prussian blue analogs (PBAs) have shown great promise as cathode materials for sodium‐ion batteries (SIBs) due to their easy synthesis, affordability, structural adaptability, and high theoretical capacity. However, despite their considerable potential, there are still several performance challenges that hinder their practical use. This review thoroughly explores the structures of PBAs and their electrochemical reaction mechanisms, systematically summarizing current synthesis methods and modification techniques while providing forward‐looking insights. Additionally, the industrial viability of PBAs is assessed from a commercialization standpoint. By examining advanced synthesis methods, material optimization strategies, and challenges in industrial development, this work aims to provide both theoretical guidance and technical prospects for enhancing the application of PBAs in practical SIBs.

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