Abstract

Li-ion batteries (LIBs) widely power modern electronics. However, there are certain limitations in the energy density, cycle life, and safety of traditional lithium-ion batteries, which restrict their further application and development. Therefore, new methods and technologies need to be explored to improve the performance stability of LIB. The emergence of nanomaterials provides new ideas and methods for the improvement of lithium-ion batteries. Nanomaterials have special structures and properties, and can improve the performance of LIB by regulating their morphology, size, and surface chemical properties. An overview of the development in research on using nanomaterials in LIB is given in this article. First, the features and benefits of nanomaterials were described, as well as the basic principles and development history of lithium-ion batteries. The use and performance of nanomaterials in lithium-ion batteries were then elaborated from a variety of angles, including nanosilicon, nanocarbon, and nanoiron oxide. Finally, the future applications of nanomaterials in lithium-ion batteries were prospected, and their development trends and challenges were pointed out. This article aims to provide a reference for the application of nanomaterials in lithium-ion batteries and promote further development in this field.

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