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首页> 外文期刊>International Journal of Electrochemical Science >Effects of Negative Electrodes Coated by ZnO with Different Morphologies on Electrochemical Performances and Safety of Lithium Ion Batteries
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Effects of Negative Electrodes Coated by ZnO with Different Morphologies on Electrochemical Performances and Safety of Lithium Ion Batteries

机译：形态不同的ZnO负极涂层对锂离子电池电化学性能和安全性的影响

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摘要

To improve the safety of lithium-ion batteries, this study applied topographically different ZnO to thesurface of negative graphite electrodes to serve as heat-resistant layers and explored the effects of theselayers on a battery’s electrochemical and safety features. The results indicate that when using a tetrapodZnO (T-ZnO) particle coating as a heat-resistant layer on a negative graphite electrode, ion diffusion isimproved because T-ZnO has a three-dimensional network structure and forms highly porous layers.This causes batteries to retain excellent electrochemical characteristics even if they contain inactivesubstances. Moreover, the results of overcharge and penetration tests were satisfactory, suggesting thatthe batteries are highly safe.
机译：为了提高锂离子电池的安全性，本研究将形貌不同的ZnO应用于负石墨电极表面作为耐热层，并研究了这些层对电池的电化学和安全特性的影响。结果表明，在石墨负极上使用四足状氧化锌（T-ZnO）颗粒涂层作为耐热层时，由于T-ZnO具有三维网络结构并形成高度多孔的层，因此改善了离子扩散。即使它们含有惰性物质也能保持出色的电化学特性。此外，过充电和渗透测试的结果令人满意，表明电池是高度安全的。

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