A5090072258- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Machine Learning in Materials Science
- Supercapacitor Materials and Fabrication
- Fuel Cells and Related Materials
- Extraction and Separation Processes
- Polyoxometalates: Synthesis and Applications
- Catalysts for Methane Reforming
- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Ionic liquids properties and applications
- Catalysis and Hydrodesulfurization Studies
- Electrochemical Analysis and Applications
- Force Microscopy Techniques and Applications
- Computational Drug Discovery Methods
- Solid-state spectroscopy and crystallography
- Layered Double Hydroxides Synthesis and Applications
- Catalysis for Biomass Conversion
- Molecular Sensors and Ion Detection
- Mechanical Engineering and Vibrations Research
- Nanocluster Synthesis and Applications
- Thermal Expansion and Ionic Conductivity
- Electrocatalysts for Energy Conversion
Tsinghua University
2014-2025
Northeast Electric Power University
2024
Shanghai Electric (China)
2024
Nanchang University
2023-2024
Second Affiliated Hospital of Nanchang University
2024
University of Science and Technology Liaoning
2023
Capital Normal University
2023
Fudan University
2023
Harbin Engineering University
2022
Soochow University
2018-2021
Abstract Lithium (Li) metal anodes hold great promise for next‐generation high‐energy‐density batteries, while the insufficient fundamental understanding of complex solid electrolyte interphase (SEI) is major obstacle full demonstration their potential in working batteries. The characteristics SEI highly depend on inner solvation structure lithium ions (Li + ). Herein, we clarify critical significance cosolvent properties both Li and formation anodes. Non‐solvating low‐dielectricity (NL)...
Abstract High‐energy‐density lithium (Li) metal batteries are severely hindered by the dendritic Li deposition dictated non‐uniform solid electrolyte interphase (SEI). Despite its unique advantages in improving uniformity of deposition, current anion‐derived SEI is unsatisfactory under practical conditions. Herein regulating structure anions anion receptors was proposed to construct stable SEI. Tris(pentafluorophenyl)borane (TPFPB) acceptors with electron‐deficient boron atoms interact...
The lifespan of high-energy-density lithium metal batteries (LMBs) is hindered by heterogeneous solid electrolyte interphase (SEI). rational design electrolytes strongly considered to obtain uniform SEI in working batteries. Herein, a modification nitrate ion (NO3- ) proposed and validated improve the homogeneity practical LMBs. NO3- connected an ether-based moiety form isosorbide dinitrate (ISDN) break resonance structure reducibility. decomposition non-resonant -NO3 ISDN enriches with...
Hydrogen evolution, corrosion, and dendrite formation in the Zn anodes limit their practical applications aqueous metal batteries. Herein, we propose an interfacial chemistry regulation strategy that uses hybrid electrolytes of water a polar aprotic N,N-dimethylformamide to modify Zn2+-solvation structure situ form robust Zn2+-conducting Zn5(CO3)2(OH)6 solid electrolyte interphase (SEI) on surface achieve stable dendrite-free plating/stripping over wide temperature range. As confirmed by...
Abstract The dielectric constant is a crucial physicochemical property of liquids in tuning solute–solvent interactions and solvation microstructures. Herein the variation liquid electrolytes regarding to temperatures electrolyte compositions probed by molecular dynamics simulations. Dielectric constants solvents reduce as increase due accelerated mobility molecules. For solvent mixtures with different mixing ratios, their either follow linear superposition rule or satisfy polynomial...
Abstract Lithium (Li)‐metal batteries promise energy density beyond 400 Wh kg −1 , while their practical operation at an extreme temperature below −30 °C suffers severe capacity deterioration. Such battery failure highly relates to the remarkably increased kinetic barrier of interfacial processes, including desolvation, ion transportation, and charge transfer. In this work, kinetics in three prototypical electrolytes are quantitatively probed by three‐electrode electrochemical techniques...
Abstract Sub‐freezing temperature presents a significant challenge to the survival of current Li‐ion batteries (LIBs) as it leads low capacity retention and poor cell rechargeability. The electrolyte in commercial LIBs relies too heavily on ethylene carbonate (EC) produce stable solid interphase (SEI) graphite (Gr) anodes, but its high melting point (36.4 °C) severely restricts ion transport below 0 °C, causing energy loss Li plating. Here, class EC‐free electrolytes that exhibits remarkable...
Extreme fast charging (XFC) of high-energy Li-ion batteries is a key enabler electrified transportation. While previous studies mainly focused on improving Li ion mass transport in electrodes and electrolytes, the limitations charge transfer across electrode-electrolyte interfaces remain underexplored. Herein we unravel how kinetics dictates rechargeability cells. cathode-electrolyte interface found to be rate-limiting during XFC, but energy barrier at both cathode anode have reduced...
Serious safety risks caused by the high reactivity of lithium metal against electrolytes severely hamper practicability batteries. By introducing unique polymerization site and more fluoride substitution, we built an in situ formed polymer-rich solid electrolyte interphase upon anode to improve battery safety. The fluorine-rich hydrogen-free polymer exhibits thermal stability, which effectively reduces continuous exothermic reaction between anode/cathode. As a result, critical temperature...
The life span of lithium batteries as energy storage devices is plagued by irreversible interfacial reactions between reactive anodes and electrolytes. Occurring on polycrystal surface, the reaction process inevitably affected surface microstructure anodes, which understanding imperative but rarely touched. Here, effect grain boundary metal was investigated. preferentially occur at boundary, resulting in intercrystalline reactions. An aluminum (Al)–based heteroatom-concentrated (Al-HCGB),...
Lithium (Li) metal batteries (LMBs) are regarded as one of the most promising energy storage systems due to their ultrahigh theoretical density. However, high reactivity Li anodes leads decomposition electrolytes, presenting a huge impediment practical application LMBs. The routine trial-and-error methods inefficient in designing highly stable solvent molecules for anode. Herein, data-driven approach is proposed probe origin reductive stability solvents and accelerate molecular design...
Solid electrolyte interphase (SEI) plays an indispensable role in stabilizing lithium metal batteries (LMBs). An ideal SEI is supposed to impede the degradation on anodes while allowing lithium‐ion transport. However, ionic transport mechanism not fully understood. Herein, first‐principles calculations are performed probe inorganic and of carrier concentration highlighted. The low conductivity bulk (Li 2 O, LiOH, Li CO 3 , LiF) ascribed its concentration. O/LiF interface delivers both a high...
Viscosity is an extremely important property for ion transport and wettability of electrolytes. Easy access to viscosity values a deep understanding this remain challenging yet critical evaluating the electrolyte performance tailoring recipes with targeted properties. We proposed screened overlapping method efficiently compute lithium battery electrolytes by molecular dynamics simulations. The origin was further comprehensively probed. solvents exhibits positive correlation binding energy...
Lithium polysulfides (LiPSs) are pivotal intermediates involved in all the cathodic reactions lithium-sulfur (Li-S) batteries. Elucidating solvation structure of LiPSs is first step for rational design electrolyte and improving Li-S battery performances. Herein, we investigate find that Li salt anions tend to enter sheath form contact ion pairs electrolyte. The anion-involved significantly influences intrinsic kinetics sulfur redox reactions. In particular, LiPS modified by lithium...
The cycle life of high-energy-density lithium-sulfur (Li-S) batteries is severely plagued by the incessant parasitic reactions between Li metal anodes and reactive polysulfides (LiPSs). Encapsulating Li-polysulfide electrolyte (EPSE) emerges as an effective design to mitigate kinetically. Nevertheless, rate performance Li-S with EPSE synchronously suppressed. Herein, sacrifice in circumvented while mitigating employing hexyl methyl ether (HME) a co-solvent. specific capacity HME-based nearly...
In situ polymerized solid-state electrolytes have attracted much attention due to high Li-ion conductivity, conformal interface contact, and low resistance, but are plagued by lithium dendrite, degradation, inferior thermal stability, which thereby leads limited lifespan severe safety hazards for high-energy metal batteries (LMBs). Herein, an in electrolyte is proposed copolymerization of 1,3-dioxolane with 1,3,5-tri glycidyl isocyanurate (TGIC) as a cross-linking agent, realizes synergy...
Abstract Lithium fluoride (LiF) facilitates robust and fast‐ion‐transport solid electrolyte interphase (SEI) in lithium metal batteries. Fluorinated solvents/salts are ubiquitously employed to introduce LiF into SEI through electrochemical decomposition, but this approach is usually at the expense of their continuous consumption. A direct fluorinate that employs crystal limited by its poor solubility current battery formulation. Dissolving high‐dielectric‐constant solvents, like ethylene...
Lithium-sulfur (Li-S) batteries are widely regarded as one of the most promising next-generation high-energy-density energy storage devices. However, soluble lithium polysulfides (LiPSs) corrode Li metal and deteriorate cycling stability Li-S batteries. Understanding reaction mechanism between LiPSs anode is imperative. Herein, rate products with anode, composition structure as-generated solid electrolyte interphase (SEI), nitrate (LiNO3) additives for inhibiting corrosion reactions...