Non-flammable ultralow concentration mixed ether electrolyte for advanced lithium metal batteries

Article Chemistry, Multidisciplinary

Regulating Interfacial Chemistry in Lithium-Ion Batteries by a Weakly Solvating Electrolyte**

Yu-Xing Yao et al.

Summary: The research reveals a weakly solvating electrolyte that improves the performance of Li-ion batteries by forming unique anion-derived interfaces, demonstrating fast-charging and long-term cycling characteristics.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Identifying the Critical Anion-Cation Coordination to Regulate the Electric Double Layer for an Efficient Lithium-Metal Anode Interface

Rui Xu et al.

Summary: The electric double layer (EDL) chemistry at the electrode/electrolyte interface is found to predominantly control the competitive reduction reactions during SEI construction on Li metal anode. Introducing multi-valent cation additives has been validated as a promising strategy to enhance the performance of SEI, shedding new light on the targeted regulation of reactive alkali metal interfaces.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

An Inorganic-Rich Solid Electrolyte Interphase for Advanced Lithium-Metal Batteries in Carbonate Electrolytes

Sufu Liu et al.

Summary: In this study, an inorganic-rich solid electrolyte interphase (SEI) was designed on the Li-metal surface in carbonate electrolytes to reduce the bonding energy with Li metal, enabling high Li plating/stripping efficiency and cycling performance. The weak bonding of the SEI to Li promotes Li diffusion and prevents Li dendrite penetration, resulting in a high Coulombic efficiency during cycling.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Non-Solvating and Low-Dielectricity Cosolvent for Anion-Derived Solid Electrolyte Interphases in Lithium Metal Batteries

Jun-Fan Ding et al.

Summary: The cosolvents play a critical role in the solvation structure of Li+ and the formation of SEI on working Li metal anodes, with NL cosolvents enhancing the interaction between anion and Li+ to induce an anion-derived inorganic-rich SEI. A solvent with proper relative binding energy toward Li+ and dielectric constant is suitable as NL cosolvent.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Multidisciplinary Sciences

On the crystallography and reversibility of lithium electrodeposits at ultrahigh capacity

Qing Zhao et al.

Summary: By increasing the Li plating capacity to high values, dense structures of Li deposits can be formed, leading to improved kinetics and electrochemical stability of the Li metal electrodes. This study reveals the major role of parasitic electrochemical reactions in the poor reversibility of Li, and provides a straightforward strategy for enhancing the reversibility of Li electrodes.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Regulating Solvent Molecule Coordination with KPF6 for Superstable Graphite Potassium Anodes

Mingyuan Gu et al.

Summary: The cycling stability of graphite anodes can be significantly improved by regulating the coordination of solvent molecules with KPF6 via a high-temperature precycling step. Additionally, the formation of a stable and uniform organic-rich passivation layer on graphite anodes after high-temperature precycling contributes to the enhanced performance of potassium ion batteries. Molecular dynamics simulations were conducted to study the solvation chemistry of the electrolytes, providing insights into the mechanism behind the improved performance.

ACS NANO (2021)

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Article Chemistry, Multidisciplinary

Designing Polymer-in-Salt Electrolyte and Fully Infiltrated 3D Electrode for Integrated Solid-State Lithium Batteries

Wenyi Liu et al.

Summary: A solid-state lithium battery with high room-temperature ionic conductivity was designed, achieving faster Li+ transport and superior electrochemical performance through the construction of an integrated model SSLB.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Advanced Low-Flammable Electrolytes for Stable Operation of High-Voltage Lithium-Ion Batteries

Hao Jia et al.

Summary: By optimizing the electrolyte additives and structure, the study achieved excellent electrochemical performance of TMPa-based electrolytes in lithium-ion batteries, demonstrating outstanding cycling stability and energy storage efficiency.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Energy & Fuels

Moving beyond 99.9% Coulombic efficiency for lithium anodes in liquid electrolytes

Gustavo M. Hobold et al.

Summary: This review examines the trends and key descriptors of Coulombic efficiency in Li-metal batteries over the past five decades, as well as strategies to improve CE. While advancements have been made in cost and energy density of Li-ion batteries, achieving high Coulombic efficiency consistently remains a challenge.

NATURE ENERGY (2021)

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Article Chemistry, Physical

Unravelling the Mechanism of Lithium Nucleation and Growth and the Interaction with the Solid Electrolyte Interface

Kang Dong et al.

Summary: The evolution of morphology and inner structure of Li deposits was investigated using focused ion beam scanning electron microscopy (FIB/SEM) and cryogenic transmission electron microscopy (cryo-TEM), revealing the nucleation and growth mechanism of Li. The differences in structure and composition of solid electrolyte interface (SEI) layers of Li deposits offer insights into the practical application of rechargeable Li-metal batteries.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Physical

Tailoring Electrolyte Solvation Chemistry toward an Inorganic-Rich Solid-Electrolyte Interphase at a Li Metal Anode

Xueying Zheng et al.

Summary: The study formulated a nonflammable and highly fluorinated electrolyte recipe for a highly reversible Li metal anode, resulting in significant improvements in Li deposition morphology, Coulombic efficiency, and Li+ desolvation/transfer kinetics. Stable cyclability was achieved in full cells pairing with commercial cathodes under both room-temperature and subzero conditions, showcasing the universality of the design principle provided in the study.

ACS ENERGY LETTERS (2021)

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Article Energy & Fuels

Ultra-high-voltage Ni-rich layered cathodes in practical Li metal batteries enabled by a sulfonamide-based electrolyte

Weijiang Xue et al.

Summary: The authors have developed a sulfonamide-based electrolyte that allows for stable cycling of LiNi0.8Co0.1Mn0.1O2 in lithium metal batteries at a cutoff voltage of 4.7 V, achieving a specific capacity >230 mA h g(-1) and an average Coulombic efficiency >99.65% over 100 cycles. The 4.7 V lithium-metal battery can retain >88% capacity for 90 cycles even under harsh testing conditions, advancing practical lithium-metal batteries.

NATURE ENERGY (2021)

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Article Chemistry, Multidisciplinary

Electrolyte Design Enabling a High-Safety and High-Performance Si Anode with a Tailored Electrode-Electrolyte Interphase

Zhang Cao et al.

Summary: This study demonstrates the superior cyclability of silicon anodes in lithium-ion batteries using a nonflammable ether-based electrolyte with dual additives. By forming a high-modulus SEI rich in fluoride and boron species, the Si/Li cells achieve a high initial Coulombic efficiency and low capacity-fading rate. Additionally, full cells pairing the unmodified Si anode with commercial cathodes show extended service life, highlighting the potential for developing high-performance Si-based batteries through Si/electrolyte interphase regulation.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Stable Anion-Derived Solid Electrolyte Interphase in Lithium Metal Batteries

Tao Li et al.

Summary: By regulating the electrolyte structure of anions using TPFPB anion acceptors, a stable anion-derived SEI was constructed to improve the stability and cycling performance of lithium metal batteries under practical conditions.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Realizing Solid-Phase Reaction in Li-S Batteries via Localized High-Concentration Carbonate Electrolyte

Mengxue He et al.

Summary: A novel electrolyte has been proposed in this study to effectively eliminate the shuttle effect in lithium-sulfur batteries, resulting in stable cycling performance. By utilizing a solid-phase reaction route and forming a compact cathode electrolyte interface film, the developed strategy shows promise for future development of Li-S batteries based on solid-phase conversion.

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 Materials Science, Multidisciplinary

Ultrahigh coulombic efficiency electrolyte enables Li||SPAN batteries with superior cycling performance

Haodong Liu et al.

Summary: By designing a highly concentrated salt/ether electrolyte, the coulombic efficiency of lithium metal anode cycling was significantly increased, leading to long-life rechargeable lithium batteries. The electrolyte demonstrated fast-charging ability with high cathode loadings and compatibility with low-cost, high-capacity SPAN cathode.

MATERIALS TODAY (2021)

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Article Chemistry, Multidisciplinary

Lithium Induced Nano-Sized Copper with Exposed Lithiophilic Surfaces to Achieve Dense Lithium Deposition for Lithium Metal Anode

Ji Qian et al.

Summary: The use of a lithiophilic 3D Cu host to suppress Li dendrites growth and achieve dense Li deposition improves the electrochemical performance of Li metal batteries.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Countersolvent Electrolytes for Lithium-Metal Batteries

Nan Piao et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Ultralow-Concentration Electrolyte for Na-Ion Batteries

Yuqi Li et al.

ACS ENERGY LETTERS (2020)

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Review Chemistry, Multidisciplinary

Atomic Insights into the Fundamental Interactions in Lithium Battery Electrolytes

Xiang Chen et al.

ACCOUNTS OF CHEMICAL RESEARCH (2020)

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Article Multidisciplinary Sciences

Interface chemistry of an amide electrolyte for highly reversible lithium metal batteries

Qidi Wang et al.

NATURE COMMUNICATIONS (2020)

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Review Chemistry, Multidisciplinary

Emerging interfacial chemistry of graphite anodes in lithium-ion batteries

Yu-Xing Yao et al.

CHEMICAL COMMUNICATIONS (2020)

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Review Chemistry, Physical

Uncharted Waters: Super-Concentrated Electrolytes

Oleg Borodin et al.

JOULE (2020)

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Article Chemistry, Multidisciplinary

A full battery system of pre-lithiated phosphorus/sulfurized pyrolyzed poly(acrylonitrile) with an effective electrolyte and improved safety

Xinpeng Han et al.

GREEN CHEMISTRY (2020)

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Review Chemistry, Multidisciplinary

Guidelines and trends for next-generation rechargeable lithium and lithium-ion batteries

Feixiang Wu et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Review Chemistry, Multidisciplinary

Covalent fixing of sulfur in metal-sulfur batteries

Ruopian Fang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Nanomat Li-S batteries based on all-fibrous cathode/separator assemblies and reinforced Li metal anodes: towards ultrahigh energy density and flexibility

Jung-Hwan Kim et al.

ENERGY & ENVIRONMENTAL SCIENCE (2019)

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Article Chemistry, Multidisciplinary

An Intrinsic Flame-Retardant Organic Electrolyte for Safe Lithium-Sulfur Batteries

Huijun Yang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Physical

Accurate Determination of Coulombic Efficiency for Lithium Metal Anodes and Lithium Metal Batteries

Brian D. Adams et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Unsymmetrical fluorinated malonatoborate as an amphoteric additive for high-energy-density lithium- ion batteries

Jung-Gu Han et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Nanoscience & Nanotechnology

Non-flammable electrolyte enables Li-metal batteries with aggressive cathode chemistries

Xiulin Fan et al.

NATURE NANOTECHNOLOGY (2018)

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Article Chemistry, Multidisciplinary

Highly Fluorinated Interphases Enable High-Voltage Li-Metal Batteries

Xiulin Fan et al.

CHEM (2018)

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Article Chemistry, Multidisciplinary

The Radical Pathway Based on a Lithium-Metal-Compatible High-Dielectric Electrolyte for Lithium-Sulfur Batteries

Ge Zhang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Physical

High-Efficiency Lithium Metal Batteries with Fire-Retardant Electrolytes

Shuru Chen et al.

JOULE (2018)

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Article Chemistry, Physical

Effects of High and Low Salt Concentration in Electrolytes at Lithium-Metal Anode Surfaces

Luis E. Camacho-Forero et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2017)

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Article Chemistry, Physical

Negating interfacial impedance in garnet-based solid-state Li metal batteries

Xiaogang Han et al.

NATURE MATERIALS (2017)

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Article Energy & Fuels

A facile surface chemistry route to a stabilized lithium metal anode

Xiao Liang et al.

NATURE ENERGY (2017)

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Article Chemistry, Physical

Fluoroethylene Carbonate and Vinylene Carbonate Reduction: Understanding Lithium-Ion Battery Electrolyte Additives and Solid Electrolyte Interphase Formation

Alison L. Michan et al.

CHEMISTRY OF MATERIALS (2016)

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Article Multidisciplinary Sciences

The synergetic effect of lithium polysulfide and lithium nitrate to prevent lithium dendrite growth

Weiyang Li et al.

NATURE COMMUNICATIONS (2015)

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Article Electrochemistry

Effect of chemical reactivity of polysulfide toward carbonate-based electrolyte on the electrochemical performance of Li-S batteries

Taeeun Yim et al.

ELECTROCHIMICA ACTA (2013)

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Article Chemistry, Multidisciplinary

The Li-Ion Rechargeable Battery: A Perspective

John B. Goodenough et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2013)

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Article Multidisciplinary Sciences

A new class of Solvent-in-Salt electrolyte for high-energy rechargeable metallic lithium batteries

Liumin Suo et al.

NATURE COMMUNICATIONS (2013)

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Review Chemistry, Physical

Challenges for Rechargeable Li Batteries

John B. Goodenough et al.

CHEMISTRY OF MATERIALS (2010)

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Non-flammable ultralow concentration mixed ether electrolyte for advanced lithium metal batteries

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