A Prussian blue analogue as a long-life cathode for liquid-state and solid-state sodium-ion batteries,Inorganic Chemistry Frontiers

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A Prussian blue analogue as a long-life cathode for liquid-state and solid-state sodium-ion batteries
Inorganic Chemistry Frontiers ( IF 6.1 ) Pub Date : 2020-08-27 , DOI: 10.1039/d0qi00872a
Tianbei Huang _{1,

2,

3,

4,

5} , Guangyuan Du _{1,

2,

3,

4,

5} , Yuruo Qi _{1,

2,

3,

4,

5} , Jie Li _{1,

2,

3,

4,

5} , Wei Zhong _{1,

2,

3,

4,

5} , Qiuju Yang _{1,

2,

3,

4,

5} , Xuan Zhang _{1,

2,

3,

4,

5} , Maowen Xu _{1,

2,

3,

4,

5}

Affiliation

Prussian blue analogues (PBAs) as a kind of promising cathode material for sodium-ion batteries (SIBs) have attracted much attention due to their low price and open three-dimensional (3D) channel structure. Here, a facile wet-chemical method is used to synthesize a nano-sized NiFe-PBA compound. The as-synthesized NiFe-PBA not only exhibits good structural stability but also demonstrates impressive electrochemical performance when it is used as a cathode in SIBs. Both liquid-state and solid-state sodium-ion batteries (SSIBs) demonstrate excellent cycling stability with a capacity retention of 85.8% and 86.7%, respectively, after 1120 cycles.

中文翻译：

普鲁士蓝类似物，可作为液态和固态钠离子电池的长寿命阴极

普鲁士蓝类似物（PBA）作为一种有前景的钠离子电池（SIB）正极材料，因其价格低廉和开放的三维（3D）通道结构而备受关注。在此，使用简便的湿化学法合成纳米级的NiFe-PBA化合物。合成后的NiFe-PBA不仅具有良好的结构稳定性，而且在用作SIB中的阴极时还表现出令人印象深刻的电化学性能。液态钠离子电池和固态钠离子电池（SSIB）均表现出出色的循环稳定性，在1120次循环后，容量保持率分别为85.8％和86.7％。

更新日期：2020-10-13

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