利用熔融加工制备机械强度高的热塑性硫化胶电解质

IF 5.4 Q2 CHEMISTRY, PHYSICAL
Léa Caradant , Gabrielle Foran , David Lepage , Paul Nicolle , Arnaud Prébé , David Aymé-Perrot , Mickaël Dollé
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引用次数: 0

摘要

我们报告了一种基于热塑性硫化弹性体(TPV)原理的新型聚合物混合电解质。热塑性硫化弹性体材料已广泛应用于汽车和制造业。然而,据我们所知,基于热塑性硫化弹性体的电解质尚未生产出来。这些通过熔融加工获得的电解质结合了热塑性相的高离子传导性和可加工性,以及交联弹性体相的更高机械强度。本研究介绍了用聚(己内酯)(PCL)(热塑性相)和氢化丁腈橡胶(HNBR)(弹性相)制备的热塑性硫化弹性体电解质。这些材料在离子传导性、电化学稳定性和机械强度方面都取得了可喜的成果。通过在热塑性硫化弹性体电解质中掺入阻燃溶剂磷酸三乙酯,进一步提高了离子导电性。热塑性硫化弹性体的交联特性使其在掺杂后仍能保持机械强度和电化学稳定性,而使用 PCL 和 HNBR 制备的非交联聚合物共混电解质则无法做到这一点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Harnessing melt processing for the preparation of mechanically robust thermoplastic vulcanizate electrolytes

Harnessing melt processing for the preparation of mechanically robust thermoplastic vulcanizate electrolytes

We report a new type of polymer blend electrolyte based on the principle of thermoplastic vulcanizates (TPV). TPV materials have been extensively used in the automotive and manufacturing sectors. However, to the best of our knowledge, TPV-based electrolytes have yet to be produced. These electrolytes, obtained via melt-processing, combine the high ionic conductivity and processibility of a thermoplastic phase with the improved mechanical strength of a crosslinked elastomeric phase. TPV electrolytes prepared with poly(caprolactone) (PCL) (thermoplastic phase) and hydrogenated nitrile butadiene rubber (HNBR) (elastomeric phase) are presented in this work. These materials deliver promising results in terms of ionic conductivity, electrochemical stability and mechanical strength. Further improvements in ionic conductivity are obtained by doping the TPV electrolyte with a flame-retardant solvent, triethyl phosphate. The crosslinked nature of the TPV allows both mechanical strength and electrochemical stability to be conserved upon doping which is not possible in non-crosslinked polymer blend electrolytes prepared with PCL and HNBR.

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来源期刊
CiteScore
9.10
自引率
0.00%
发文量
18
审稿时长
64 days
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