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首页> 外文期刊>ACS applied materials & interfaces >Novel Organic-Inorganic Hybrid Electrolyte to Enable LiFePO4 Quasi-Solid-State Li-Ion Batteries Performed Highly around Room Temperature
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Novel Organic-Inorganic Hybrid Electrolyte to Enable LiFePO4 Quasi-Solid-State Li-Ion Batteries Performed Highly around Room Temperature

机译:新型LiaPO4准固态锂离子电池的有机-无机混合电解质,在室温下具有很高的性能

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摘要

A novel type of organic-inorganic hybrid polymer electrolytes with high electrochemical performances around room temperature is formed by hybrid of nanofillers, Y-type oligomer, polyoxyethylene and Li-salt (PBA-Li), of which the T-g and T-m are significantly lowered by blended heterogeneous polyethers and embedded nanofillers with benefit of the dipole modification to achieve the high Li-ion migration due to more free-volume space. The quasi-solid-state Li-ion batteries based on the LiFePO4/15PBA-Li/Li-metal cells present remarkable reversible capacities (133 and 165 mAh g(-1) @0.2 C at 30 and 45 degrees C, respectively), good rate ability and stable cycle performance (141.9 mAh g(-1) @0.2 C at 30 degrees C after 150 cycles).
机译:通过纳米填料,Y型低聚物,聚氧乙烯和锂盐(PBA-Li)的混合形成了一种新型的有机-无机杂化聚合物电解质,该电解质在室温附近具有很高的电化学性能,其Tg和Tm显着降低了。混合的异质聚醚和嵌入式纳米填料,具有偶极子修饰的优点,由于有更多的自由空间,因此可以实现高锂离子迁移。基于LiFePO4 / 15PBA-Li / Li-金属电池的准固态锂离子电池具有显着的可逆容量(分别在30和45摄氏度时在0.2 C时为133和165 mAh g(-1)),良好的速率能力和稳定的循环性能(150个循环后,在30摄氏度下于0.2 C时141.9 mAh g(-1))。

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