Iron-based fluorophosphate Na2FePO4F as a cathode for aqueous zinc-ion batteries,Chemical Communications

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Iron-based fluorophosphate Na2FePO4F as a cathode for aqueous zinc-ion batteries
Chemical Communications ( IF 4.3 ) Pub Date : 2023-10-25 , DOI: 10.1039/d3cc04940j
Deepa Singh ₁ , Yang Hu ₂ , Sher Singh Meena ₃ , Rishikesh Vengarathody ₂ , Maximilian Fichtner _{2,

4} , Prabeer Barpanda _{1,

2,

4}

Affiliation

Aqueous zinc-ion batteries form a key post-Li-ion batteries to cater the rising demand for grid storage. Fe-based compounds can be used as economical cathodes for zinc-ion batteries. Herein, we explored iron-based flourophosphate as a potential polyanionic cathode. Involving the Fe^3+/2+ redox process, it can reversibly intercalate Zn²⁺ yielding a capacity of ∼80 mA h g⁻¹, involving a solid-solution mechanism. Polyanionic Fe-based phosphate frameworks can be harnessed as potential low-cost cathodes for secondary zinc-ion batteries.

中文翻译：

铁基氟磷酸盐Na2FePO4F作为水系锌离子电池的阴极

水系锌离子电池是继锂离子电池之后的一种关键电池，可以满足日益增长的电网存储需求。铁基化合物可用作锌离子电池的经济阴极。在此，我们探索了铁基氟磷酸盐作为潜在的聚阴离子阴极。涉及Fe ^3+/2+氧化还原过程，它可以可逆地嵌入Zn ²⁺ ，产生~80 mA hg ^-1的容量，涉及固溶机制。聚阴离子铁基磷酸盐骨架可用作二次锌离子电池的潜在低成本阴极。

更新日期：2023-10-25

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