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Well-defined Na2Zn3[Fe(CN)6]2 nanocrystals as a low-cost and cycle-stable cathode material for Na-ion batteries
Electrochemistry Communications ( IF 4.7 ) Pub Date : 2018-11-29 , DOI: 10.1016/j.elecom.2018.11.019
Li Xu , Hui Li , Xianyong Wu , Miaomiao Shao , Shuangyu Liu , Bo Wang , Guangyao Zhao , Peng Sheng , Xin Chen , Yu Han , Yuliang Cao , Xinping Ai , Jiangfeng Qian , Hanxi Yang

Well-defined Na2Zn3[Fe(CN)6]2 nanocrystals (~300 nm) have been fabricated by a facile controlled crystallization method from low-cost precursors at room temperature. By employing [Fe(CN)6]3−/[Fe(CN)6]4− couples as redox centres, this material can realize a theoretical 1Na-storage capacity of 70 mAh g−1, a superior high-rate capability of 20 C and an impressive cycle life of 1000 cycles, offering a low-cost and high-performance alternative cathode for large-scale Na-ion applications.



中文翻译:

定义明确的Na 2 Zn 3 [Fe(CN)6 ] 2纳米晶体作为一种低成本且循环稳定的Na离子电池正极材料

明确定义的Na 2 Zn 3 [Fe(CN)6 ] 2纳米晶体(〜300 nm)已经通过一种容易控制的结晶方法,在室温下由低成本的前驱物制备而成。通过使用[Fe(CN)6 ] 3− / [Fe(CN)6 ] 4-作为氧化还原中心,该材料理论上可以实现70 mAh g -1的1Na存储容量,优异的高倍率生产能力。 20 C,令人印象深刻的1000次循环寿命,为大规模Na离子应用提供了一种低成本,高性能的替代阴极。

更新日期:2018-11-29
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