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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >Single-crystalline alpha-Fe2O3 void@frame microframes for rechargeable batteries
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Single-crystalline alpha-Fe2O3 void@frame microframes for rechargeable batteries

机译:用于可充电电池的单晶α-Fe2O3空隙@框架微框架

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摘要

It is still a challenging task to prepare single crystalline void@frame hollow-open microframes, although single crystalline void@shell hollow structures have been reported. Herein, single-crystalline alpha-Fe2O3 microframes with void@frame open structures and perforated shells are prepared through a template-free calcination method via a discontinuous grain growth mechanism. The single-crystalline alpha-Fe2O3 void@frame microframes demonstrated excellent electrochemical performance in terms of specific capacity, cycle life and high rate as negative electrode materials for lithium ion batteries, in contrast to solid microparticles. Additionally, their potential application as negative electrode materials for sodium ion batteries has been demonstrated.
机译:尽管已经报道了单晶的空壳空心结构,但是制备单晶的空壳空心微结构仍然是一项艰巨的任务。在此,通过无模板的煅烧方法,通过不连续的晶粒生长机理,制备了具有空框架开放结构和穿孔壳的单晶α-Fe2 O 3微框架。与固体微粒相比,单晶α-Fe2O3空隙框架微框架在比容量,循环寿命和高倍率方面表现出优异的电化学性能,作为锂离子电池负极材料。另外,已经证明了它们作为钠离子电池负极材料的潜在应用。

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