Engineering Nanostructured Silicon and its Practical Applications in Lithium-Ion Batteries: A Critical Review,Energy Technology

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Engineering Nanostructured Silicon and its Practical Applications in Lithium-Ion Batteries: A Critical Review
Energy Technology ( IF 3.6 ) Pub Date : 2021-08-06 , DOI: 10.1002/ente.202100400
Xuefan Zhang ₁ , Hebang Shi ₂ , Pengpeng Lv ₂ , Jinyun Liu ₃ , Huigang Zhang _{1,

2}

Affiliation

Silicon is regarded as one of the most important high-capacity materials and has been added to some commercial anodes to increase the specific energy of lithium-ion batteries (LIBs). However, the large volume change of Si during cycling leads to cracking, continuous accumulation of solid electrolyte interphase (SEI), and electric disconnection, posing a major challenge to practical applications. In this review, the latest progress on practical Si anodes and the scalable fabrication technologies, including synthesis of nanostructured Si, Si/C, SiO_x composites, and binders is proposed. At last, a perspective of future studies on nano-Si-based anodes is suggested and, from a practical viewpoint, the rational design of high-capacity Si anodes for better LIBs to narrow the gap between nanostructural design and practical applications is discussed.

中文翻译：

工程纳米结构硅及其在锂离子电池中的实际应用：批判性评论

硅被认为是最重要的高容量材料之一，已被添加到一些商业负极以提高锂离子电池 (LIB) 的比能量。然而，循环过程中Si的大体积变化导致开裂、固体电解质界面（SEI）的持续积累和断电，对实际应用构成重大挑战。在这篇综述中，实用硅负极和可扩展制造技术的最新进展，包括纳米结构硅、Si/C、SiO _{x 的}合成提出了复合材料和粘合剂。最后，提出了对纳米硅基负极未来研究的展望，并从实用的角度讨论了高容量硅负极的合理设计，以获得更好的锂离子电池，以缩小纳米结构设计与实际应用之间的差距。

更新日期：2021-10-08

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