纳米花
水溶液
锌
材料科学
Crystal(编程语言)
离子
复合材料
纳米技术
化学工程
纳米结构
冶金
化学
计算机科学
工程类
有机化学
程序设计语言
作者
Hao Zhang,Fang Hu,Yixin Tang,Chaoyan Jiang,Chuang Yue,Jie Shu
标识
DOI:10.1002/ente.202400397
摘要
Aqueous zinc‐ion batteries (AZIBs) offer advantages such as low cost, high safety, and environmental friendliness. However, the crystal structure design of cathode materials such as molybdenum oxide is of vital importance for AZIBs. Herein, a novel nanoflower‐structured molybdenum dioxide (MoO 2 @C) is synthesized by using MnMoO 4 nanoflower‐like precursor. The presence of manganese and reduction process play a crucial role in the formation of nanoflower structure, which enhances the electrochemical performance when it is used as cathode for AZIBs. As a result, the MoO 2 @C cathode exhibits high initial coulombic efficiency, excellent cycling stability, and outstanding rate capability. Moreover, in situ/ex situ analysis (ex situ X‐Ray diffraction/in situ Raman spectroscopy) is used to reveal Zn‐ion storage mechanism of reversible intercalation and ultrastable structural framework.
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