用于锂离子电池的硫醇-烯光交联 PUA-PUMA 基柔性凝胶聚合物电解质

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL ACS Applied Energy Materials Pub Date : 2024-04-13 DOI:10.1002/mame.202400051

Fatmanur Uyumaz, Elmira Nurgaziyeva, Sandugash Kalybekkyzy, Memet Vezir Kahraman

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引用次数: 0

摘要

通过溶胶-凝胶和紫外光交联形成的交联聚合物薄膜可用作锂离子电池中的凝胶聚合物电解质（GPE）。将聚氨酯丙烯酸酯 (PUA)、聚氨酯甲基丙烯酸酯 (PUMA)、季戊四醇四（3-巯基丙酸）酯 (PETMP) 和 3-巯基丙基三甲氧基硅烷 (MPTMS) 结合在一起可产生柔性膜，提高稳定性和液态电解质兼容性。由于 PUA-PUMA 的亲水性和 PETMP 的 SH 基团可防止泄漏，因此生成的 GPE 比 Celgrad2500 显示出更高的离子电导率（1.46 × 10-3 S cm-1）。所开发的 GPE GPPF1 具有更高的离子电导率、高达 3.8 V 的稳定电化学窗口和更高的安全性，可用于多功能储能系统。

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Thiol-Ene Photo Crosslinked PUA-PUMA-Based Flexible Gel Polymer Electrolyte for Lithium-Ion Batteries

Crosslinked polymer films, formed via sol–gel and UV photocrosslinking, serve as gel polymer electrolytes (GPEs) in lithium-ion batteries. Combining polyurethane acrylate (PUA), polyurethane methacrylate (PUMA), pentaerythritol tetrakis (3-mercaptopropionate) (PETMP), and 3-mercaptopropyl trimetoxysilane (MPTMS) yields flexible membranes, enhancing stability and liquid electrolyte compatibility. The resulting GPE displays higher ionic conductivity (1.46 × 10⁻³ S cm⁻¹) than Celgrad2500, with PUA-PUMA's hydrophilicity and PETMP's SH groups preventing leakage. GPPF1, the developed GPE, offers improved ionic conductivity, a stable electrochemical window up to 3.8 V, and heightened safety for versatile energy storage systems.

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.