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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 >Protecting lithium anode with LiNO3/Al2O3/PVDF-coated separator for lithium-sulfur batteries
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Protecting lithium anode with LiNO3/Al2O3/PVDF-coated separator for lithium-sulfur batteries

机译:用LINO3 / AL2O3 / PVDF涂覆隔膜保护锂阳极,用于锂 - 硫磺电池

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摘要

A modified separator with LiNO3/Al2O3/PVDF coating has been prepared to protect lithium anode and enhance the cycle performance of lithium-sulfur (Li-S) batteries. The functional coating directly contacted with lithium, and the LiNO3 absorbed in Al2O3 nano particles was released slowly, offering a durable protection to lithium. The initial discharge capacity of the cell assembled with the LiNO3/Al2O3/ PVDF-coated separator is 1283 mAh.g(-1) at 200 mA g(-1), and after 100 cycles, the discharge capacity still remains at 712 mAh.g(-1), which is higher than those of the cells assembled with Al2O3/PVDF-coated separator and routine separator. (C) 2018 Elsevier B.V. All rights reserved.
机译:已制备具有LINO3 / AL2O3 / PVDF涂层的改性隔膜以保护锂阳极并增强锂 - 硫(LI-S)电池的循环性能。 直接与锂接触的功能涂层,并且在Al 2 O 3纳米颗粒中吸收的LINO3缓慢释放,为锂提供耐用的保护。 用LiNO3 / Al 2 O 3 / PVDF涂覆的分离器组装的电池的初始放电容量为1283mAh.g(-1),在200mA g(-1),在100次循环后,放电容量仍保持在712mah。 G(-1)高于用Al 2 O 3 / PVDF涂覆的分离器和常规分离器组装的细胞的G(1)。 (c)2018年elestvier b.v.保留所有权利。

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