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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Ion conducting corn starch biopolymer electrolytes doped with ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate
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Ion conducting corn starch biopolymer electrolytes doped with ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate

机译：离子液体1-丁基-3-甲基咪唑六氟磷酸盐掺杂的离子导电玉米淀粉生物聚合物电解质

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摘要

Biodegradable corn starch-lithium hexafluorophosphate (LiPF_6) based biopolymer electrolytes were prepared by solution casting technique. Ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate (BmImPF6) was doped into the polymer matrix. Upon addition of 50 wt.% BmImPF_6, the maximum ionic conductivity of (1.47 ± 0.02) × 10~(- 4) Scm~(- 1) was achieved due to its higher amorphous region. This result had been further proven in ATR-FTIR study. Frequency dependence of conductivity and dielectric studies reveal the occurrence of polarization at the electrolyte-electrode interface and thus form the electrical double layer, asserting the non-Debye characteristic of polymer electrolytes. This result is in good agreement with dielectric loss tangent study. Based on the changes in shift, changes in intensity, changes in shape and existence of some new peaks, attenuated total reflectance-Fourier Transform Infrared (ATR-FTIR) divulged the complexation between corn starch, LiPF_6 and BmImPF_6, as shown in the spectra.
机译：通过溶液流延技术制备了可生物降解的玉米淀粉-六氟磷酸锂（LiPF_6）基生物聚合物电解质。将离子液体六氟磷酸1-丁基-3-甲基咪唑鎓（BmImPF6）掺杂到聚合物基质中。在添加50wt。％的BmImPF_6时，由于其较高的非晶区而获得了最大的离子电导率（1.47±0.02）×10〜（-4）Scm〜（-1）。该结果已在ATR-FTIR研究中得到进一步证明。电导率和电介质研究的频率依赖性揭示了在电解质-电极界面处发生极化的现象，从而形成了双电层，从而证明了聚合物电解质的非德拜特性。该结果与介电损耗正切研究非常吻合。如图谱所示，基于位移的变化，强度的变化，形状的变化和一些新峰的存在，衰减的全反射傅里叶变换红外（ATR-FTIR）揭示了玉米淀粉LiPF_6和BmImPF_6之间的络合物。

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