Advanced Ultralow-Concentration Electrolyte for Wide-Temperature and High-Voltage Li-Metal Batteries

Article Multidisciplinary Sciences

Integrated 'all-in-one' strategy to stabilize zinc anodes for high-performance zinc-ion batteries

Canpeng Li et al.

Summary: An 'all-in-one' (AIO) electrode was developed by combining structural design, interface modification, and electrolyte optimization, which can effectively improve the stability and performance of zinc-ion batteries.

NATIONAL SCIENCE REVIEW (2022)

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Article Chemistry, Multidisciplinary

Hybrid Electrolyte with Dual-Anion-Aggregated Solvation Sheath for Stabilizing High-Voltage Lithium-Metal Batteries

Xianshu Wang et al.

Summary: This study proposed a dual-salt electrolyte with LiPF6 and LiNO3 to stabilize high-voltage LMBs, improving Li plating/stripping kinetics with a unique Li+ solvation and forming a uniform solid electrolyte interface (SEI) layer. The electrolyte system enabled large Li deposits with high Coulombic efficiency and excellent lifespan in full batteries at 4.3 V.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Inhibiting Solvent Co-Intercalation in a Graphite Anode by a Localized High-Concentration Electrolyte in Fast-Charging Batteries

Li-Li Jiang et al.

Summary: By utilizing a localized high-concentration electrolyte, a uniform and robust solid electrolyte interphase can be achieved on the graphite surface, leading to fast-charging performance and excellent cycling stability of lithium-ion batteries.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Synergistic Effects on Lithium Metal Batteries by Preferential Ionic Interactions in Concentrated Bisalt Electrolytes

Thuy Duong Pham et al.

Summary: This study shows the potential for enhancing the performance of lithium metal batteries (LMBs) by modulating the ion solvation structures in the electrolyte through mixing different salts. A highly promising electrolyte system with improved conductivity, Coulombic efficiency, and stability of solid-electrolyte interface layer is proposed, offering a new avenue towards commercial LMBs.

ADVANCED ENERGY MATERIALS (2021)

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Article Energy & Fuels

Tailoring electrolyte solvation for Li metal batteries cycled at ultra-low temperature

John Holoubek et al.

Summary: This study highlights the importance of the solvation structure of the electrolyte in charge-transfer behavior at ultra-low temperatures for lithium metal batteries. By designing an electrolyte to enable low-temperature operations, stable performance and high efficiency can be achieved for Li-metal batteries.

NATURE ENERGY (2021)

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Article Chemistry, Physical

A Safer, Wide-Temperature Liquefied Gas Electrolyte Based on Difluoromethane

Daniel M. Davies et al.

Summary: In order to address safety and practicality concerns with electrolytes, researchers have demonstrated the enhanced safety features of liquefied gas electrolytes and shown the feasibility of using difluoromethane as a solvent, providing a new direction for their use. Through custom setups and various testing methods, they have proven that this electrolyte has good conductivity over a wide temperature range and compatibility with metal anodes and high-voltage cathodes.

JOURNAL OF POWER SOURCES (2021)

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Article Chemistry, Physical

Intrinsically Nonflammable Ionic Liquid-Based Localized Highly Concentrated Electrolytes Enable High-Performance Li-Metal Batteries

Zhicheng Wang et al.

Summary: An intrinsically nonflammable ionic liquid-based localized highly concentrated electrolyte (LHCE) has been designed, which significantly improves the performance of Li-metal batteries (LMBs) by enhancing ionic conductivity and suppressing Li dendrite growth. The LHCE exhibits high Coulombic efficiency and stable cycling performance over thousands of cycles, making it suitable for various LMB systems. This electrolyte shows great potential for practical application in high-performance batteries.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

A Multifunctional Dual-Salt Localized High-Concentration Electrolyte for Fast Dynamic High-Voltage Lithium Battery in Wide Temperature Range

Shuangshuang Lin et al.

Summary: This study introduces a multifunctional high-concentration electrolyte containing fluorocarbonate, which shows excellent performance under high voltage and low temperature conditions, providing a new approach for designing high-performance lithium batteries.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical