LiDFOB-based multifunctional electrolyte-enabled high cycling stability and rate capability of solid-state batteries for composite structural batteries

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING

Composites Part A: Applied Science and Manufacturing Pub Date : 2024-11-14 DOI:10.1016/j.compositesa.2024.108589

Yu Fu , Yifan Chen , Hanmo Zhou , Yan Li

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Abstract

Structural batteries have sparked widespread research interest for their potential to increase energy storage, reduce weight, and save space in electrified transportation. Achieving long-lasting performance and high rate capability is crucial for practical applications. Our work successfully developed a self-supported LiDFOB-based structural electrolyte (LSPE) thin film with exceptional tensile strength of 3.65 MPa, film formability, electrochemical stability, and ionic conductivity of 2.2 × 10^-4 S cm⁻¹. This enables solid-state Li/LiFePO₄ batteries to achieve superior specific capacity of 160 mAh/g and high rate capability up to 1C. Additionally, LSPE-based multifunctional energy storage composite laminates successfully powered a hologram with a starting current of ∼ 30 mA (corresponding to ∼ 1C), demonstrating its practical feasibility. Our study offers a promising method for producing high-performance structural electrolytes for structural batteries.

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基于 LiDFOB 的多功能电解质实现了复合结构固态电池的高循环稳定性和高倍率能力

结构电池在电气化交通领域具有增加能量储存、减轻重量和节省空间的潜力，因此引发了广泛的研究兴趣。实现持久的性能和高倍率能力对于实际应用至关重要。我们的研究工作成功开发了一种自支撑锂二氟乙烷基结构电解质（LSPE）薄膜，它具有 3.65 兆帕的超强拉伸强度、薄膜成型性、电化学稳定性和 2.2 × 10-4 S cm-1 的离子电导率。这使得固态锂/磷酸铁锂电池能够实现 160 mAh/g 的超强比容量和高达 1C 的高倍率能力。此外，基于 LSPE 的多功能储能复合材料层压板成功地为全息图供电，起始电流为 ∼ 30 mA（相当于 ∼ 1C），证明了其实用可行性。我们的研究为生产高性能结构电池电解质提供了一种可行的方法。

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.