A novel composite microporous polymer electrolyte based on poly(vinylidene fluoride), PVDF, poly(ethylene glycol), PEG, and Li-exchanged vermiculite(Li-VMT)was prepared by a simple phase inversion technique. The prepared membrane was subjected to XRD, SEM, impedance spectroscopy. The incorporation of Li-exchanged vermiculite greatly enhanced the ionic conductivity and solvent uptake as compared to the membrane without Li-exchanged vermiculite. The Li-exchanged vermiculite plays a active role in ion transport since relatively large platelets serve as the anion and allowed for exceptionally large Li transference numbers.
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Wang et al. (2009) studied this question.
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