High-Safety Anode Materials for Advanced Lithium-Ion Batteries

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外文摘要：Lithium-ion batteries(LIBs)play a pivotal role in today's society,with widespread applications in portable electronics,electric vehicles,and smart grids.Commercial LIBs predominantly utilize graphite anodes due to their high energy density and cost-effectiveness.Graphite anodes face challenges,however,in extreme safety-demanding situations,such as airplanes and passenger ships.The lithiation of graphite can potentially form lithium dendrites at low temperatures,causing short circuits.Additionally,the dissolution of the solid-electrolyte-interphase on graphite surfaces at high temperatures can lead to intense reactions with the electrolyte,initiating thermal runaway.This review introduces two promising high-safety anode materials,Li4Ti5O12 and TiNb2O7.Both materials exhibit low tendencies towards lithium dendrite formation and have high onset temperatures for reactions with the electrolyte,resulting in reduced heat generation and significantly lower probabilities of thermal runaway.Li4Ti5O12 and TiNb2O7 offer enhanced safety characteristics compared to graphite,making them suitable for applications with stringent safety requirements.This review provides a comprehensive overview of Li4Ti5O12 and TiNb2O7,focusing on their material properties and practical applicability.It aims to contribute to the understanding and development of high-safety anode materials for advanced LIBs,addressing the challenges and opportunities associated with their implementation in real-world applications.

外文关键词：

anodeselectrode materialslithium-ion batteriesthermal runaway

作者：

Kai Yuan、Yu Lin、Xiang Li、Yufeng Ding、Peng Yu、Jian Peng、Jiazhao Wang、HuaKun Liu、Shixue Dou

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作者单位：

Wuhan Institute of Marine Electric Propulsion,Wuhan 430000,China

State Key Laboratory of Material Processing and Die & Mould Technology,School of Materials Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China

Institute for Superconducting and Electronic Materials,Australian Institute for Innovative Materials,University of Wollongong,Innovation Campus,Squires Way,North Wollongong,New South Wales 2522,Australia

Institute of Energy Materials Science(IEMS),University of Shanghai for Science and Technology,Shanghai 200093,China

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基金：

an Australian Research Council(ARC)Discovery Projectan Australian Renewable Energy Agency(ARENA)Project

项目编号：

DP180101453G00849

出版年：

2024

DOI：

10.1002/eem2.12759

能源与环境材料(英文)

ISSN：

年,卷(期)：2024.7(5)