Electrolyte designs for safer lithium-ion and lithium-metal batteries

Lim, J. J. Nicholas; Lim, Gwendolyn J. H.; Cai, Yi; Chua, Rodney; Guo, Yuqi; Yan, Yao; Srinivasan, Madhavi

doi:10.1039/d3ta02916f

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta02916f

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Electrolyte designs for safer lithium-ion and lithium-metal batteries

J. J. Nicholas Lim,

Gwendolyn J. H. Lim,

Yi Cai

et al.

Abstract: Electrolytes for commercial lithium-based batteries mainly contain carbonated solvents that are highly volatile and flammable. Uncoincidentally, they also are responsible for most of the catastrophic fires and explosions in battery-related...

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Cited by 10 publications

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Anions‐Trappable Hollow Mesoporous Nanoparticle Coating Enables High‐Performance and Safe Lithium Metal Batteries

Gao,

Zhang,

et al. 2024

Adv Funct Materials

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Polyolefin separators, such as polypropylene (PP) and polyethylene (PE) separators, are the commonly used separators for lithium batteries, which have good mechanical properties and chemical/electrochemical stability, but their high‐temperature dimensional stability is poor and Li+ transference number (t Li+) is low. Recently, much attention has been paid to developing separators with new substrates, but so far there is no separator to replace the polyolefin separator for large‐scale application. Therefore, the surface modification of the polyolefin separator to enhance its functionality is a simple and effective method. Among many modified layers, the porous modified layer can store the electrolyte and provide enough space for ion transport. In this work, a hollow mesoporous silica nanosphere (mSiO2) is prepared for the PP separator multifunctional coating to improve the electrochemical performance and high‐temperature safety of the PP separator. The experimental and theoretical results show that the mSiO2 coating can not only improve the electrolyte wettability and high‐temperature dimensional stability of the PP separator, but also promote the Li+ transport, so that the mSiO2/PP separator exhibits high ionic conductivity (2.35 mS cm−1) and high t Li+ (0.63). As a result, Li//LiFePO4 cells using mSiO2/PP separators exhibit excellent cycling performance, rate performance, and high‐temperature safety.

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Anions‐Trappable Hollow Mesoporous Nanoparticle Coating Enables High‐Performance and Safe Lithium Metal Batteries

Gao,

Zhang,

et al. 2024

Adv Funct Materials

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show abstract

Microstructural, mechanical properties and electrical conductivity of Ag7(Si1-xGex)S5I-based ceramics

Pogodin,

Filep,

Malakhovska

et al. 2024

Ionics

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Recent progress in zinc sulfur batteries: Mechanism, challenges, and perspectives

Guo,

J.H Lim,

Verma

et al. 2024

Chemical Engineering Journal

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Electrolyte designs for safer lithium-ion and lithium-metal batteries

Abstract: Electrolytes for commercial lithium-based batteries mainly contain carbonated solvents that are highly volatile and flammable. Uncoincidentally, they also are responsible for most of the catastrophic fires and explosions in battery-related...

Cited by 10 publications

References 317 publications

Anions‐Trappable Hollow Mesoporous Nanoparticle Coating Enables High‐Performance and Safe Lithium Metal Batteries

Anions‐Trappable Hollow Mesoporous Nanoparticle Coating Enables High‐Performance and Safe Lithium Metal Batteries

Microstructural, mechanical properties and electrical conductivity of Ag7(Si1-xGex)S5I-based ceramics

Recent progress in zinc sulfur batteries: Mechanism, challenges, and perspectives

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