Interface Heteroatom-doping: Emerging Solutions to Silicon-based Anodes.,Chemistry - An Asian Journal

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Interface Heteroatom-doping: Emerging Solutions to Silicon-based Anodes.
Chemistry - An Asian Journal ( IF 3.5 ) Pub Date : 2020-03-29 , DOI: 10.1002/asia.202000164
Fangzhou Zhang ₁ , Wei Luo ₁ , Jianping Yang ₁

Affiliation

Silicon-based composites have been recognized as a promising anode material for high-energy lithium-ion batteries (LIBs). However, the intrinsically low conductivity and the huge volume expansion during lithiation/delithiation progresses impede its further practical applications. In the past decades, numerous efforts have been made for surface and interface modification of Si-based anodes. Among these, doping of active materials with heteroatoms is one promising method to endow silicon many unmatched electrochemical properties. In this review, we focus on the effects of heteroatom doping on the interfacial properties of Si-based anodes, and some typical strategies for the interface doping are highlighted. We aim to give some reference for interfacial doping of Si-based anodes in LIBs.

中文翻译：

界面异质子掺杂：基于硅的阳极的新兴解决方案。

硅基复合材料已被公认为是高能锂离子电池（LIB）的有希望的负极材料。然而，固有的低电导率和在锂化/脱锂化过程中的巨大体积膨胀阻碍了其进一步的实际应用。在过去的几十年中，已经做出了许多努力来对基于硅的阳极进行表面和界面改性。其中，用杂原子掺杂活性材料是赋予硅许多无与伦比的电化学性能的有前途的方法。在这篇综述中，我们集中于杂原子掺杂对基于硅的阳极界面特性的影响，并着重介绍了一些典型的界面掺杂策略。我们旨在为LIB中基于Si的阳极的界面掺杂提供一些参考。

更新日期：2020-03-29

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