Facile template-free one-pot fabrication of ZnCo2O4 nanospheres for advanced lithium storage capability

Facile template-free one-pot fabrication of ZnCo2O4 nanospheres for advanced lithium storage capability
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轻松无模板一锅法制备 ZnCo2O4 纳米球,实现先进的锂存储能力

DOI:
10.1007/s11581-017-2163-1
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发表时间:
2017-06
期刊:
影响因子:
2.8
通讯作者:
Yunxia Jiang
Yunxia Jiang
中科院分区:
化学4区
文献类型:
--
作者:
Zhe Chen;Feng Chen;Yonghe Wang;Yunxia Jiang

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采用水热法制备了平均粒径为350 nm的大尺寸ZnCo2O4纳米球。通过调节聚乙烯吡咯烷酮(PVP)的摩尔比,可以方便地设计ZnCo2O4纳米球。同时,控制实验因素,即试剂的浓度,在纳米球的形成中起着重要的作用。讨论了纳米结构形成的可能机理。此外,当作为锂离子电池的阳极材料进行测试时,这些ZnCo2O4纳米球表现出优异的锂存储性能。
Large-scale ZnCo2O4 nanospheres with an average diameter of 350 nm were developed via a hydrothermal method. By adjusting the molar ratio of polyvinyl pyrrolidone (PVP), the ZnCo2O4 nanospheres can be facilely designed. Meanwhile, controlled experiment factors, namely the concentration of reagents, play important roles in the formation of the nanospheres. The possible mechanism for the nanostructures formation was discussed. In addition, when tested as anode materials for lithium-ion batteries, these ZnCo2O4 nanospheres have exhibited excellent lithium-storage performance.
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