Dendrite inhibited and dead lithium activated dual-function additive for lithium metal batteries

Article Chemistry, Applied

In situ generation of Li3N concentration gradient in 3D carbon-based lithium anodes towards highly-stable lithium metal batteries

Wenzhu Cao et al.

Summary: Constructing a robust artificial solid electrolyte interphase (SEI) and regulating the lithium deposition behavior is an effective strategy to improve the performance of lithium metal batteries.

JOURNAL OF ENERGY CHEMISTRY (2023)

Add to Collection

Article Chemistry, Multidisciplinary

In Situ Formation of Polycyclic Aromatic Hydrocarbons as an Artificial Hybrid Layer for Lithium Metal Anodes

Shaozhong Chang et al.

Summary: The study developed an artificial solid-state interphase on the surface of Li metal anodes, which stabilizes the SEI and homogenizes the deposition of Li metal. This technology significantly improves Coulombic efficiency and cyclability, offering a new strategy for inhibiting Li dendrite growth.

NANO LETTERS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

High-Polarity Fluoroalkyl Ether Electrolyte Enables Solvation-Free Li+ Transfer for High-Rate Lithium Metal Batteries

Liwei Dong et al.

Summary: In this study, a new electrolyte system based on fluoroalkyl ether THE and ether electrolytes has been designed to enhance the performance of lithium metal batteries, including long-cycle and high-rate capabilities. The electrolyte not only reduces Li+ interaction and solvation in ether electrolytes, but also enables solvation-free Li+ transfer with significantly improved transference at the electrolyte/anode interface. Additionally, the electrolyte suppresses dendrite formation and stabilizes the solid electrolyte interphase layer, leading to exceptional cyclic performances over 5000 cycles at 10 C.

ADVANCED SCIENCE (2022)

Add to Collection

Article Multidisciplinary Sciences

Stabilizing the cycling stability of rechargeable lithium metal batteries with tris(hexafluoroisopropyl)phosphate additive

Huaihu Sun et al.

Summary: A non-flammable triethyl phosphate (TEP)-based electrolyte with tris(hexafluoroisopropyl)phosphate (THFP) as an additive has been developed. THFP helps to form a stable LiF-rich solid electrolyte interphase (SEI) layer, suppress lithium dendrite growth, and reduce electrolyte decomposition. THFP also participates in the formation of a stable electrolyte interphase (CEI) layer for stable cycling of the cathode.

SCIENCE BULLETIN (2022)

Add to Collection

Article Chemistry, Physical

A Polymerized-Ionic-Liquid-Based Polymer Electrolyte with High Oxidative Stability for 4 and 5 V Class Solid-State Lithium Metal Batteries

Chengyin Fu et al.

Summary: The article reports a polymer electrolyte based on a polymerized ionic liquid and an ionic liquid plasticizer, which offers high ionic conductivity and oxidative stability. The electrolyte shows promising performance in lithium metal batteries, enabling stable cycling.

ADVANCED ENERGY MATERIALS (2022)

Add to Collection

Article Chemistry, Multidisciplinary

Separator-Wetted, Acid- and Water-Scavenged Electrolyte with Optimized Li-Ion Solvation to Form Dual Efficient Electrode Electrolyte Interphases via Hexa-Functional Additive

Xin Li et al.

Summary: This study investigates a novel electrolyte additive HFBMZ for lithium metal batteries, finding that it can improve cycling performance, rate capability, and stability.

ADVANCED SCIENCE (2022)

Add to Collection

Article Chemistry, Physical

Long-life silicon anodes by conformal molecular-deposited polyurea interface for lithium ion batteries

Tiansheng Mu et al.

Summary: This study successfully establishes a stable artificial SEI on silicon anodes using molecular layer deposition, greatly improving the electrochemical performance and cycling stability of the anodes.

NANO ENERGY (2022)

Add to Collection

Article Chemistry, Physical

Optimization of fluorinated orthoformate based electrolytes for practical high-voltage lithium metal batteries

Xia Cao et al.

ENERGY STORAGE MATERIALS (2021)

Add to Collection

Article Energy & Fuels

Rejuvenating dead lithium supply in lithium metal anodes by iodine redox

Chengbin Jin et al.

Summary: The researchers use an iodic species to react with inactive lithium, bringing it back to life and thus making batteries last longer.

NATURE ENERGY (2021)

Add to Collection

Article Chemistry, Physical

5V-class sulfurized spinel cathode stable in sulfide all-solid-state batteries

Yue Wang et al.

Summary: This study introduces a new method of sulfurizing LNMO itself to improve the compatibility between the cathode and sulfide solid electrolyte, ultimately enhancing the performance of all-solid-state batteries with higher initial discharge capacity and better cycling stability.

NANO ENERGY (2021)

Add to Collection

Article Chemistry, Physical

Dual-salt-additive electrolyte enables high-voltage lithium metal full batteries capable of fast-charging ability

Xinyang Wang et al.

Summary: The study introduces an advanced carbonate-based electrolyte with dual-salt additives to improve the stability of lithium metal and Ni-rich cathode under high voltage or fast charge operations. The dual-salt additives establish robust and highly conductive solid electrolyte interphases, reducing electrode overpotential and enhancing capacity retention of the battery.

NANO ENERGY (2021)

Add to Collection

Article Chemistry, Multidisciplinary

Reclaiming Inactive Lithium with a Triiodide/Iodide Redox Couple for Practical Lithium Metal Batteries

Cheng-Bin Jin et al.

Summary: This study demonstrates that the triiodide/iodide redox couple can significantly reclaim inactive Li, improving the cyclability of lithium metal batteries.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

Add to Collection

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)

Add to Collection

Article Chemistry, Multidisciplinary

Constructing nitrided interfaces for stabilizing Li metal electrodes in liquid electrolytes

Zhijie Wang et al.

Summary: This paper discusses the significant effects of nitrided interfaces in addressing challenges in lithium metal batteries, and summarizes the recent advances in various designs of nitrided interfaces. In addition, a comprehensive outlook on the future development of nitrided interfaces and rational interface design for lithium metal electrodes is provided.

CHEMICAL SCIENCE (2021)

Add to Collection

Article Chemistry, Multidisciplinary