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Hollow multishelled structural NiO as a “shelter” for high-performance Li–S batteries
Materials Chemistry Frontiers ( IF 7 ) Pub Date : 2020-08-25 , DOI: 10.1039/d0qm00492h
Yujing Zhu 1, 2, 3, 4, 5 , Jiangyan Wang 5, 6, 7, 8 , Chuan Xie 9, 10, 11, 12, 13 , Mei Yang 5, 6, 7, 8 , Zijian Zheng 9, 10, 11, 12, 13 , Ranbo Yu 1, 2, 3, 4, 5
Affiliation  

The physical multiple confinement and chemical adsorption of polysulfides are realized with an interlayer composed of non-polar materials (acetylene black) and polar materials (NiO hollow multishelled structures, NiO HoMSs). The 4S-NiO HoMSs/CC-S electrodes show the highest sulfur utilizations, which are 71.64% at 0.2C and 65.86% at 1.0C. The discharge capacity is 860.4 mA h g−1 after 200 cycles, with a 73.94% capacity retention rate.

中文翻译:

空心多壳结构NiO作为高性能Li–S电池的“庇护所”

通过由非极性材料(乙炔黑)和极性材料(NiO中空多层结构,NiO HoMS)组成的中间层,可以实现多硫化物的物理多重封闭和化学吸附。4S-NiO HoMSs / CC-S电极显示出最高的硫利用率,在0.2C下为71.64%,在1.0C下为65.86%。200个循环后的放电容量为860.4 mA hg -1,容量保持率为73.94%。
更新日期:2020-10-02
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