A5036399464- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- MXene and MAX Phase Materials
- Advanced battery technologies research
- Supercapacitor Materials and Fabrication
- 2D Materials and Applications
- Advanced Battery Technologies Research
- Extraction and Separation Processes
- Advanced Memory and Neural Computing
- Conducting polymers and applications
- Advanced Photocatalysis Techniques
- Electronic Packaging and Soldering Technologies
- Semiconductor materials and devices
- 3D IC and TSV technologies
- ZnO doping and properties
- Nonlinear Differential Equations Analysis
- Additive Manufacturing and 3D Printing Technologies
- Differential Equations and Boundary Problems
- Electrocatalysts for Energy Conversion
- Perovskite Materials and Applications
- Quantum chaos and dynamical systems
- Differential Equations and Numerical Methods
- Copper Interconnects and Reliability
- Recycling and Waste Management Techniques
- Ferroelectric and Negative Capacitance Devices
Xi'an Jiaotong University
2024-2025
Beihang University
2019-2023
Beijing University of Chemical Technology
2017-2022
Applied Materials (United States)
2010-2011
Abstract High‐entropy materials (HEMs) have great potential for energy storage and conversion due to their diverse compositions, unexpected physical chemical features. However, high‐entropy atomic layers with fully exposed active sites are difficult synthesize since phases easily segregated. Here, it is demonstrated that of transition‐metal carbide (HE‐MXene) can be produced via the selective etching novel MAX (also termed M n +1 AX ( = 1, 2, 3), where represents an early element, A element...
Abstract Although zinc metal anodes have some intrinsic advantages for aqueous ion batteries, the notorious dendrites hamper its practical applications. Herein, a charge‐enriched strategy through MXene‐based polypyrrole (MXene‐mPPy) layers is explored toward dendrite‐free Zn anode. The MXene‐mPPy composed of mesoporous PPy on both sides Ti 3 C 2 T x ‐MXene exhibit an exceptional charge enrichment ability (149 F g −1 , 5 mV s ), which beneficial not onlying terms accumulating levels, but also...
Abstract Zinc anodes are promising for zinc‐based batteries owing to the high theoretical capacity (820 mAh g −1 ), environmental‐friendliness, and good safety, but uncontrollable dendrites greatly hamper their practical applications. Here, a special nonmodulus liquid GaIn electrode is designed help understand failure mechanism of Zn anodes, demonstrating that there huge crystalline stress in plating anode causes fast growth substantial dendrites. To solve this issue, zinc‐enriched metal...
Abstract A key challenge to apply aqueous zinc metal batteries (AZMBs) as next‐generation energy storage device is improve the rechargeability at high current densities, which needed circumvent slowly ion diffusion in anode and sluggish charge transfer of Zn 2+ . Herein, a zincophilic accordion array derived from MOF developed host for simultaneously boosted transfer. The designed prepared by etching disproportionation reactions, abundant Sn sites with nano‐size uniform disperse on arrays...
Abstract Although lithium metal is the best anode for lithium‐based batteries, uncontrollable dendrites especially under deep stripping and plating states hamper its practical applications. Here, a dendrite‐free developed based on vertically oriented lithium–copper–lithium arrays, which can be facilely produced via traditional rolling or repeated stacking approaches. Such arrays not only enable both lithium‐ion flux electric field to regulated, but also act as “dam” guide regular of lithium,...
Uncontrolled growth of Zn dendrites and side reactions are the major restrictions for commercialization metal anodes. Herein, we develop a TiOx /Zn/N-doped carbon inverse opal (denoted as TZNC IO) host to regulate deposition. Amorphous Zn/N-doped can serve zincophilic nucleation sites prevent parasitic reactions. More importantly, highly ordered IO homogenizes local current density electric field stabilize Furthermore, three-dimensional open networks could ion flux enable stable cycling...
Abstract Although lithium metal is an ultimate anode material for lithium‐based batteries owing to its high theoretical capacity, the uncontrollable dendrites and infinite volume change associated with poor rate capabilities are stagnating practical applications. Here, a new type of perpendicular MXene–Li array developed tunable MXene walls constant space in between as anodes batteries. Such arrays possess dual periodic interspaces, i.e., nanometer‐scale interspaces micrometer‐scale walls....
Single‐atom sites on MXenes (SASs‐MXenes) have attracted widespread attention for energy storage and conversion due to their highest atom utilization efficiency, intriguing intrinsic properties, unusual performance, improved robustness. In addition, the large surface area abundant anchor make ideal substrates supporting single atoms via covalent interaction. Herein, main strategies synthesis of SASs‐MXenes are first summarized, which cover capturing by cation vacancies, coordinating with...
Abstract Lithium metal batteries (LMBs) are well recognized as potentially high‐energy systems to power portable electronics and electric vehicles. However, LMBs always undergo uncontrollable lithium deposition in metallic anodes due inhomogeneous ion flux, which causes limited output impedes their practical applications. Low‐tortuous arrays have been intensively investigated guide the fast transport of ions homogeneous growth lithium, thereby achieving high‐power LMBs. In this review,...
Abstract In past decades, high‐entropy (HE) materials, containing five or more elements with approximately equal atomic ratio, are extensively investigated due to their desirable properties in a series of applications. Recently, HE two‐dimensional (2D) materials have become promising which not only endow the advantages from bulk form but also exhibit unusual 2D features. So far, transition metal carbides (MXenes), dichalcogenides (TMDs), hydrotalcites (LDHs), and oxides been successfully...
Solid-state electrolytes (SSEs) are crucial to high-energy-density lithium metal batteries, but they commonly suffer from slow Li+ transfer kinetics and low mechanical strength, severely hampering the application for all-solid-state batteries. Here, we develop a two-dimensional (2D) high-entropy lithium-ion conductor, lithium-containing transition-metal phosphorus sulfide, HE-LixMPS3 (Lix(Fe1/5Co1/5Ni1/5Mn1/5Zn1/5)PS3) with five atoms ions (Li+) dispersed into [P2S6]2- framework layers,...
Herein, we summarize the development of low-temperature electrolyte engineering for SIBs, and then propose several strategies to provide guidance systematic design further commercial application SIBs.
Direct regeneration of spent lithium‐ion batteries offers economic benefits and a reduced CO2 footprint. Surface prelithiation, particularly through the molten salt method, is critical in enhancing cathode repair during high‐temperature annealing. However, sluggish Li+ transport kinetics, which relies on thermally driven processes traditional methods, limit prelithiation efficiency cathodes. Here, we introduce special molecular configuration (benzoate) into salts that facilitates rapid to...
Flexible Si anodes for Li-ion batteries were enabled by heteroatom-doped carbon networks, the mechanisms which carbons enhance performance detailed explored and provided.
Li+ solvation structure (LSS) is considered to be the decisive factor in determining electrochemical performance of lithium metal batteries. Herein, we propose a phase change electrolyte (PCE) whose LSS can operando regulated by changing physical state electrolyte. The primary solvent PCE dimethyl dodecanedioate (DDCA), which stands out among series solvents, exhibiting excellent comprehensive performance. shows high ionic conductivity, transference number, and wide stability window solid...
Abstract The widespread implementation of lithium metal anodes is indispensable for reviving high energy density batteries. However, the sluggish ion diffusion and charge‐transfer resistance in metallic hamper their rate capability practical applications. Here, low tortuous MXene arrays are developed through ultrafast spreading an aqueous accordion‐like TiNbC‐MXene dispersion onto a hydrophobic surface. facilitate fast infiltration electrolytes, enabling rapid ions. with Nb species...
Abstract Uncontrolled transport of anions leads to many issues, including concentration polarization, excessive interface side reactions, and space charge‐induced lithium dendrites at the anode/electrolyte interface, which severely deteriorates cycling stability metal batteries. Herein, an asymmetrical polymer electrolyte modified by a boron‐containing single‐ion conductor (LiPVAOB), is designed inhibit nonuniform aggregation free in vicinity anode through repulsion effect improving...
Electrochemically active metal anodes, such as lithium, sodium, potassium, and zinc, have attracted great research interests in the advanced rechargeable batteries owing to their superior theoretical energy densities. Unfortunately, anodes suffer from huge volume changes with loss of materials during plating stripping processes, resulting fast capacity decay. Moreover, random growth dendrites on will penetrate separator, causing severe safety issues. Engineering by introducing 2D are widely...
Many strategies have been developed to improve the Li-ion storage performance of silicon (Si)-based anodes. Unfortunately, production and application Si-based anodes are still severely impeded by high cost, complex synthesis poor practical performance. Herein, we demonstrate a cost-effective strategy for large-scale pyrolyzing economical gelatin ball-milled micron-sized Si particles. During pyrolysis process, good water solubility film-forming property enable it form continuous carbon...
A continuous interface-enhanced 2-D carbon network is introduced in the Si anode by a templating method, which enhances Li-ion diffusion and electron transport within stabilizes interface between electrolyte.