Efficient improvement of the lithium ionic conductivity for a polymer electrolyte via introducing porous metal–organic frameworks
2022
Tian, Li | Tao, Fencheng | Wang, Xin | Liu, Meiying | Kang, Xiaomin | Liu, Zhiliang
The electrolyte membrane plays a vital role in the practical conduction application of lithium-ion batteries. In this study, a series of PVDF–HFP/MOF-5 composite electrolyte materials were harvested by incorporating MOF-5 into PVDF–HFP, presenting excellent electrochemical characteristics and mechanical properties. Importantly, the performances of the PVDF–HFP/MOF-5 composites depended greatly on the content of MOF-5 introduced and the channels change. The PVDF–HFP/MOF-5-II with a MOF-5 content of 2 wt% revealed optimal ionic conductivity of 1.20 × 10⁻³ S cm⁻¹ and lithium ion transference number of 0.9 at room temperature, which shows potential application prospects in the field of electrolyte materials.
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