Towards practical lithium metal batteries with composite scaffolded lithium metal: an overview

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Composites and Hybrid Materials Pub Date : 2023-10-27 DOI:10.1007/s42114-023-00769-3

Shuixin Xia, Chengwei Yang, Zongyan Jiang, Wenxuan Fan, Tao Yuan, Yuepeng Pang, Hao Sun, Taiqiang Chen, Xin Li, Shiyou Zheng

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Abstract

The successful employment of lithium metal substituting for the conventional graphite anode can promote a significant leap in the cell energy density for its ultrahigh theoretical specific capacity, the lowest electrochemical voltage, and low density. However, the notorious lithium dendrite growth, low Coulombic efficiency, and massive volume expansion seriously fetter its practical usage. Adopting three-dimensional (3D) structured scaffolds with large specific surface area and porous structure to stabilize lithium metal inside has been regarded as one of the most effective strategies to enhance the electrochemical performance of Li metal and eliminate the safe concerns. Herein, the current progress of composite scaffolded Li metal anodes is reviewed according to the host types, lithiophilic sites, structure, and the preparation technology to stimulate the development of Li metal batteries. Furthermore, to boost the commercialization of the composite scaffolded Li metal anode, the perspectives and critical challenges of the scaffolded Li metal anodes toward practical usage have also been prospected.

Graphical abstract

3D scaffolds joint with lithiophilic sites enable highly stable scaffolded Li metal and high-performance practical Li metal batteries.

Abstract Image

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复合支架式锂金属实用电池研究综述

成功采用金属锂替代传统石墨阳极，以其超高的理论比容量、最低的电化学电压、低密度等优点，促进电池能量密度的显著飞跃。然而，锂枝晶生长不良、库仑效率低、体积膨胀严重制约了锂枝晶的实际应用。采用具有大比表面积和多孔结构的三维结构支架来稳定内部的锂金属已被认为是提高锂金属电化学性能和消除安全隐患的最有效策略之一。本文从主体类型、亲锂位点、结构、制备技术等方面综述了复合支架锂金属阳极的研究进展，以期促进锂金属电池的发展。此外，为了促进复合材料支架锂金属阳极的商业化，展望了支架锂金属阳极在实际应用中的前景和面临的关键挑战。具有亲锂位点的3d支架可实现高度稳定的支架式锂金属和高性能实用锂金属电池。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.