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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Effects of surface structure of fluorinated AB_2 alloys on their electrodes and battery performances
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Effects of surface structure of fluorinated AB_2 alloys on their electrodes and battery performances

机译：氟化AB_2合金的表面结构对其电极和电池性能的影响

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摘要

From our previous research of fluorination treatments on improving electrochemical properties of AB_2 alloys, it was found that the fluorination technique could effectively improve the activation property and rate discharge capabilities of AB_2 alloys. In this paper, the performance of sealed batteries using fluorinated AB_2 alloys were investigated. Compared with the sealed battery using untreated AB_2 alloys, those using fluorinated AB_2 alloys showed better activation property, longer cycle life and higher rate discharge capacity. The rate discharge capacity of the sub-C sealed battery using duplicated fluorination treated AB_2 alloys reached up to 2.3 AH at 4C (10.4A). The batteries using fluorinated AB_2 alloys sustained over 300 cycles at 0.2C rate, but its discharge capacity degraded quickly when being cycled at 1C rate.
机译：从我们对改善AB_2合金电化学性能的氟化处理的研究中发现，氟化技术可以有效地改善AB_2合金的活化性能和速率放电能力。本文研究了氟化AB_2合金密封电池的性能。与使用未经处理的AB_2合金的密封电池相比，使用氟化AB_2合金的密封电池具有更好的活化性能，更长的循环寿命和更高的倍率放电容量。使用双重氟化处理的AB_2合金的次C密封电池的倍率放电容量在4C（10.4A）时达到2.3 AH。使用氟化AB_2合金的电池以0.2C的速率持续了300次循环，但以1C的速率循环时其放电容量迅速下降。

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