ポリオキサミドの合成とリチウムイオン二次電池の電極バインダーとしての接着特性  [in Japanese] Synthesis and Adhesive Properties of Polyoxamides for Binder Application of Lithium Ion Battery  [in Japanese]

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Author(s)

    • 本村 郁恵 MOTOMURA Ikue
    • 山口大学大学院創成科学科 Graduate School of Science and Technology for Innovation, Yamaguchi University
    • 塩見 公江 SHIOMI Kimie
    • 山口大学大学研究推進機構先進科学・イノベーション研究センター Advanced Science and Innovational Research Center, Organization for Research Initiatives, Yamaguchi University
    • 前田 修一 MAEDA Shuichi
    • 山口大学大学研究推進機構先進科学・イノベーション研究センター Advanced Science and Innovational Research Center, Organization for Research Initiatives, Yamaguchi University
    • 安部 浩司 ABE Koji
    • 山口大学大学研究推進機構先進科学・イノベーション研究センター Advanced Science and Innovational Research Center, Organization for Research Initiatives, Yamaguchi University

Abstract

<p>We synthesized polyoxamides (PX) using various diamines and diphenyl-oxalate (DPO) and investigated their molecular weight, copolymer composition, thermal properties, mechanical properties, swelling behavior for electrolytes of lithium ion batteries (LIB) and adhesive properties with electrodes of LIB. We established a new method to synthesize PX with high molecular weight by using N-methylpyrrolidone as a synthesis solvent, setting temperature to 200 ° C and devising the order of charging diamine and DPO. All PXs synthesized in this study were crystalline polymers, harder than polyvinylidene-di-fluoride (PVdF) and had smaller elongation than PVdF. Both, the saturated swelling ratios of PX for electrolytes of LIB and the changes in mechanical properties due to swelling were small. We found in this study that the adhesive properties of PX copolymers composed of 1,3-bisaminomethylcyclohexane and hexamethylenediamine on both cathode and anode were good, but they were inferior to that of PVdF.</p>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU, 2019

    The Society of Polymer Science, Japan

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