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相关概念视频

Batteries and Fuel Cells03:12

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A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the polymer...
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可回收的图灵结构聚合物电解质用于可持续的固态电池.

Jingteng Zhao1, Zhongqiang Wang1, Cong Tian1

  • 1Shandong Provincial Key Laboratory for Science of Material Creation and Energy Conversion, Science Center for Material Creation and Energy Conversion, Institute of Frontier Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Qingdao, P.R. China.

Angewandte Chemie (International ed. in English)
|November 18, 2025
PubMed
概括

本研究介绍了一种可回收的图灵结构聚合物电解质 (TPE),可以克服固体聚合物电解质的局限性. TPE提供高离子导电性和稳定的低温性能,为可持续电池提供出色的可回收性.

关键词:
离子导电性 离子导电性可回收的可回收性固体聚合物电解质的电解质.固态电池是一种固态电池.图灵结构就是图灵结构.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 聚合物化学 聚合物化学

背景情况:

  • 固体聚合物电解质 (SPEs) 在离子导电性,离子转移和可回收性方面存在局限性.
  • 开发先进的电解质对于高性能固态电池至关重要.

研究的目的:

  • 设计一种可回收的图灵结构聚合物电解质 (TPE),具有增强的离子导电性和稳定性.
  • 解决可持续能源储存的传统SPE的局限.

主要方法:

  • 通过使用蒸发/扩散驱动的不稳定性,通过气/液/固体接口制造TPE.
  • 对离子导电路和Li+自我度的图灵结构的描述.
  • 在各种温度下对固态电池的电化学性能和可回收性进行评估.

主要成果:

  • 由于由图灵结构促进的3D透式Li+导电,实现了高Li+导电性 (1.6 × 10-3 S cm-1在25°C) 和转移数 (0.61).
  • 在 -20°C的固态电池中表现出稳定的循环性能.
  • 展示了出色的自我愈合,阻燃和可回收性能,具有86.5%的聚合物前体和82.6%的LiTFSI盐回收.

结论:

  • 图灵结构聚合物电解质为可持续和高性能储能提供了可扩展的设计.
  • 开发的TPE克服了SPE的关键限制,使高效和可回收的固态电池成为可能.
  • 这项工作突显了先进的功能材料的接口驱动自组装的潜力.