Unraveling the degradation mechanism of sodium iron hexacyanoferrate cathodes in sodium ion batteries

Junyi Dai, Jiahao Li, Fangxin Ling, Yu Yao, Yanru Wang, Mingze Ma, Jian Feng, Jun Xia, YinBo Zhu, Xianhong Rui,

Energy & Environmental Science · 2025 · 15 citations · 51 references

Concepts

Abstract

Fe(CN) 6 4− vacancies in Prussian blue analog cathodes hinder Na + transport and trigger side reactions, causing capacity loss. High-quality PBA with fewer defects mitigates this, achieving 81.7% capacity retention over 900 cycles.

References

51