锂离子电池硅氧负极材料相关研究阐述

Research elaboration on silicon oxygen anode materials of lithium ion battery

摘要

随着锂离子电池的广泛应用，硅氧负极材料因其高容量和良好的电化学性能备受关注。本文综述了硅氧负极材料的研究进展，重点分析了硅氧复合材料的结构特性、改性方法及其在电池中的应用表现。首先，介绍了硅氧负极材料的基础特性以及面临的膨胀问题和循环稳定性挑战。接着，讨论了通过纳米化、碳包覆，以及掺杂等技术对硅氧负极进行改性的策略，以提高其电导率和抗膨胀性能。研究表明，改性后的硅氧复合材料在提升电池的循环寿命和容量密度方面具有显著优势。最后，本文展望了未来硅氧负极材料的研究方向和技术创新，为锂离子电池的性能优化提供理论依据和技术支持。

Abstract

With the wide application of lithium-ion batteries, silicon-oxygen cathode materials have attracted much attention because of their high capacity and good electrochemical performance. This paper summarizes the progress of the structural characteristics and modification methods of silica anode materials in batteries. First, the basic characteristics of silicon oxide materials and the expansion problems and cycle stability challenges are introduced. Then, the strategy of modifying the silicon oxygen anode by nanoometer, carbon coating and doping to improve the conductivity and expansion resistance. The study shows that the modified silicon-oxygen composites have significant advantages in improving the cycle life and capacity density of the cells. Finally, this paper discusses the future research direction and technical innovation of silica-oxygen anode materials, and provides theoretical basis and technical support for the performance optimization of lithium-ion batteries.

关键词

硅氧负极材料 / 改性技术 / 循环稳定性

Key words

silicon oxygen cathode material / modification technology / cycle stability

参考文献

[1] 杜子胜, 王江林, 任晴晴. 锂离子电池硅负极材料的改性研究进展[J]. 浙江冶金, 2021,(02):1-4.

[2] 杨乐之, 刘志宽, 方自力, 石润锋. 锂离子电池硅氧负极材料的研究进展[J]. 电池, 2021, 51(03):315-318.

[3] 欧阳嘉华. 锂离子电池硅负极材料研究进展[J]. 电子制作, 2020, 28(18):18-20.