A5004506615- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Battery Technologies Research
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Supercapacitor Materials and Fabrication
- Extraction and Separation Processes
- Thermal and Kinetic Analysis
- MXene and MAX Phase Materials
- Energetic Materials and Combustion
- Ferroelectric and Piezoelectric Materials
- Asphalt Pavement Performance Evaluation
- Inorganic and Organometallic Chemistry
- Graphene and Nanomaterials Applications
- Chemistry and Chemical Engineering
- Infrastructure Maintenance and Monitoring
- Nanoparticles: synthesis and applications
- Advanced Nanomaterials in Catalysis
- Spacecraft Dynamics and Control
- Synthesis and properties of polymers
- Smart Materials for Construction
- Zeolite Catalysis and Synthesis
- Plant and Fungal Interactions Research
- Ziziphus Jujuba Studies and Applications
- Satellite Communication Systems
Xiamen University
2016-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2019-2025
Virginia Tech
2025
Tianjin Energy Investment Group (China)
2024
Sun Yat-sen University
2019-2023
Shanxi Academy of Medical Sciences
2023
Shanxi Medical University
2023
Tongji Hospital
2023
Huazhong University of Science and Technology
2023
Beijing Institute of Petrochemical Technology
2021-2022
Abstract Lithium metal batteries have been considerably limited by the problems of uncontrolled dendritic lithium formation and highly reactive nature with electrolytes. Herein, we developed functional porous bilayer composite separators simply blade-coating polyacrylamide-grafted graphene oxide molecular brushes onto commercial polypropylene separators. Our integrate lithiophilic feature hairy polyacrylamide chains fast electrolyte diffusion pathways excellent mechanical strength nanosheets...
Abstract The Li metal is an ideal anode material owing to its high theoretical specific capacity and low electrode potential. However, reactivity dendritic growth in carbonate-based electrolytes limit application. To address these issues, we propose a novel surface modification technique using heptafluorobutyric acid. In-situ spontaneous reaction between the organic acid generates lithiophilic interface of lithium heptafluorobutyrate for dendrite-free uniform deposition, which significantly...
Abstract Li metal has been attracting considerable attention as the most promising anode material for application in next‐generation rechargeable batteries. However, instability of formed solid electrolyte interphase (SEI) leads to a low coulombic efficiency (CE). Here, two kinds synthesized polymer materials with different molecular configurations (chain and cross‐linked), which are grafted skins on Cu foils (current collectors), reported. The interaction between polymers solvent reduces...
Abstract The electrolyte additive plays an important role in determining the crucial properties of batteries such as cycling stability and safety. Compared to material development, research on interphase is still early stage for sodium ion (SIBs). Herein, first time, succinic anhydride (SA) investigated a synergistic filming fluoroethylene carbonate (FEC), lifespan dual‐additive Na/Na 0.6 Li 0.15 Ni Mn 0.55 Cu O 2 (NLNMC) cell significantly improved, maintaining capacity retention 87.2% over...
Abstract The safety issue of lithium‐ion batteries is a crucial factor limiting their large‐scale application. Therefore, it practical significance to evaluate the impact overcharge behavior because severe levels oxygen release cathode materials during this process. Herein, by combining variety in situ techniques spectroscopy and electron microscopy, work studies structural degradation LiNi 0.8 Co 0.1 Mn O 2 (NCM811) accompanying It observed that small amount evolves from initial surface at...
The nickel-rich layered oxide materials have been selected as promising cathode for the next generation lithium ion batteries because of their large capacity and comparably high operating voltage. However, at voltage (beyond 4.30 V vs Li/Li+), members this family are all suffering from a rapid decay, which was commonly concerned with crystal lattice distortion related cation disordering. In work, quasi-spherical Ni-rich LiNi0.6Co0.2Mn0.2O2 (QS-NMC622) material successfully synthesized...
Cubic N,S codoped carbon coating MnS-FeS2 composites (MnS-FeS2@NSC) with a hollow structure were prepared and used as anode materials for sodium-ion batteries. MnS-FeS2@NSC exhibits excellent cycle performance high rate capability delivered reversible capacity of 501.0 mAh g-1 after 800 cycles at current density 0.1 A retention 81%. More importantly, the holds long-term stability; can remain 134.0 14 500 4 g-1. Kinetic analysis demonstrated that Na+ storage follows pseudocapacitive...
In Li<sub>1.2</sub>Ni<sub>0.12</sub>Co<sub>0.15</sub>Mn<sub>0.53</sub>O<sub>2</sub> oxide, four lines of lattice fringe from O3 rhombohedral phase are squeezed into two spinel cubic at 4.70 V charged state under the effect microstress.
LiNi0.5Co0.2Mn0.3O2 positive electrode materials of lithium ion battery can release a discharge capacity larger than 200 mAh/g at high potential (>4.30 V). However, its inevitable fading, which is greatly related to the structural evolution, reduces cycling performance. The origin this fading investigated by coupled in situ XRD-PITT-EIS. A new phase NiMn2O4 discovered on surface upon charging voltage, blocks Li+ diffusion pathways. Theoretical calculations predict formation cubic NiMn2O4....
Lithium (Li) metal is a favorable anode for most energy storage equipment, thanks to its higher theoretical specific capacity. However, nonuniform Li nucleation/growth results in large-sized and irregular dendrites generated from the anode, which causes rapid capacity fade serious safety hazard, hindering widespread practical applications. In this paper, with aid of lithium nitrate (LiNO3) additive carbonate-based electrolyte, shows low hysteresis excess 1000 h at current density 0.5 mA...
Co/Li-dual-site doping is achieved through Al replacing Co sites, Nb and W intercalating Li-slab. High activity of interstitial lithium, buffered lattice stretching, enlarged lithium transmission channels contribute toward high-rate performance.
Abstract Carbonaceous materials are widely investigated as anodes for potassium‐ion batteries (PIBs). However, the inferior rate capability, low areal capacity, and limited working temperature caused by sluggish K‐ions diffusion kinetics still primary challenges carbon‐based anodes. Herein, a simple temperature‐programmed co‐pyrolysis strategy is proposed efficient synthesis of topologically defective soft carbon (TDSC) based on inexpensive pitch melamine. The skeletons TDSC optimized with...
The bottleneck of Li metal batteries toward practical applications lies at inferior cyclability as well dendrite issues. As a promising solution, an interface engineering strategy is proposed herein for the anode through constructing hybrid artificial interface. It assembled onto using photocontrolled free radical polymerization (photo-CRP) polyethylene glycol diacrylate-hexafluorobutyl methacrylate and hexafluorobutyl methacrylate-trifluoroethyl carbonate (PEGDA-HFMBA@HFMBA-FEMC or PH@HF...
By adding a bifunctional plasticizer (SN) and an inorganic conductor (LAGP) to PEO matrix, inorganic–organic composite solid-state polymer electrolyte (SPE) was constructed enhance Li-ion diffusion interface stability.
The LiCoO2 (LCO) cathode has been widely used in material markets, especially conventional lithium ion batteries, due to its stable electrochemical performance. Increasing the working cutoff potential represents an efficient pathway boost capacity of LCO batteries; however, high potentials usually induce severe Co3+ dissolution and extensive growth solid electrolyte interphase (SEI) layer, leading rapid degradation In this work, a voltage is prepared by encapsulation aluminum (Al)-doped...
Stability issues affect the commercialization of high-voltage lithium metal batteries. Modulating electrodes' interphases through simple additive engineering improves electrochemical performance Li metal‖Ni-rich batteries at elevated temperatures.
Alloy-based materials are promising anodes for rechargeable batteries because of their higher theoretical capacities in comparison to graphite. Unfortunately, the huge volume changes during cycling cause serious structural degradation and undesired parasitic reactions with electrolytes, resulting fragile solid-electrolyte interphase formation capacity decay. This work proposes mitigate suppress interfacial reactivity Ge without sacrificing Li+ transport, through situ construction an...
NMC532 (LiNi0.5Mn0.3Co0.2O2) is a cost-effective and structurally stable cathode material that widely used in batteries. Despite its stability, it undergoes irreversible phase transitions transition metal (TM) dissolution during long-term cycling, which significantly impacts cell performance. This study pioneered methodology to investigate the solid electrolyte interface (SEI) layers depth, employing advanced analytical techniques: time-of-flight secondary ion mass spectrometry (TOF-SIMS)...
Development of high-performance cathode materials is one the key challenges in practical application sodium-ion batteries. Among all materials, layered sodium transition-metal oxides are particularly attractive. However, undesired phase transitions often reported and have detrimental effects on structure stability electrochemical performance. Cu substitution zinc P2-type Na0.6Mn0.7Ni0.15Zn0.15-xCuxO2 (x = 0, 0.075, 0.15) composites was investigated this study for mitigating biphase...