A5053353345- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Advanced Battery Technologies Research
- Advanced battery technologies research
- Polyoxometalates: Synthesis and Applications
- Conducting polymers and applications
- Extraction and Separation Processes
- Graphene research and applications
- Transition Metal Oxide Nanomaterials
- Electrocatalysts for Energy Conversion
- Electrochemical Analysis and Applications
- Synthesis and properties of polymers
- MXene and MAX Phase Materials
- Thermal Expansion and Ionic Conductivity
- ZnO doping and properties
- Fuel Cells and Related Materials
- Advanced biosensing and bioanalysis techniques
- Covalent Organic Framework Applications
- Neuroscience and Neural Engineering
- Chemical Synthesis and Characterization
- Semiconductor materials and devices
- Polysaccharides and Plant Cell Walls
- Copper-based nanomaterials and applications
- Inorganic Chemistry and Materials
Collaborative Innovation Center of Chemistry for Energy Materials
2016-2025
Xiamen University
2016-2025
Tan Kah Kee Innovation Laboratory
2021-2025
University of Chinese Academy of Sciences
2025
Institute of Porous Flow and Fluid Mechanics
2025
Chinese Academy of Sciences
2025
Yantai University
2024
University of Florida
2024
Fuzhou University
2023-2024
Huzhou Central Hospital
2024
A MOF-derived composite with multi-functional effects for high-performance Li–S batteries, especially its Co–N dual-catalyzing S redox.
A novel silica-assisted polybenzoxazine coating strategy is developed to synthesize N-doped hollow porous carbon bowls (N-HPCB). Due the high specific surface area, N atom doping, and unique bowl-like structure of N-HPCB, S/N-HPCB cathode has stable cycling stability, excellent rate capability, volumetric energy density. As a service our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized for online...
High utilization and loading of sulfur in cathodes holds the key realization Li–S batteries. We here synthesized a Co4N mesoporous sphere, which was made up nanosheets, via an easy convenient method. This material presents high affinity, speedy trapping, absorbing capacity for polysulfides acts as bifunctional catalysis redox processes; therefore it is ideal matrix S active material. With such sphere used host batteries, extraordinary electrochemistry performance has been achieved. content...
Sulfur and polysulfides play important roles on the environment energy storage systems, especially in recent hot area of high density lithium–sulfur (Li–S) batteries. However, further development Li–S battery is still retarded by lack complete mechanistic understanding sulfur redox process. Herein we introduce a conductive Lewis base matrix which has ability to enhance performance battery, via complicated chemistry electrolyte/carbon interface combined operando Raman spectroscopy functional...
Abstract Dendrite growth of alkali metal anodes limited their lifetime for charge/discharge cycling. Here, we report near-perfect lithium, sodium, and potassium metals achieved by electrochemical polishing, which removes microscopic defects creates ultra-smooth ultra-thin solid-electrolyte interphase layers at surfaces providing a homogeneous environment. Precise characterizations AFM force probing with corroborative in-depth XPS profile analysis reveal that the can be designed to have...
Through in situ nucleation and growth of α-MnO2 nanorods on graphene nanosheets (GNs), a nanorod/GN hybrid was synthesized employed as the catalyst for non-aqueous lithium oxygen (Li–O2) batteries. The α-MnO2/GN showed excellent catalytic property. It demonstrated that performance ORR OER not only associated with morphology size particles but also their combination graphene. developed synthetic strategy can be applied to prepare analogous MOx/GN hybrids used Li–O2 batteries other energy...
Because of the high theoretical capacity 1675 mAh g–1 and energy density 2600 Wh kg–1, respectively, lithium–sulfur batteries are attracting intense interest. However, it remains an enormous challenge to realize utilizations loadings sulfur in cathodes for practical applications Li–S batteries. Herein, we design a quasi-2D Co@N–C composite with honeycomb architecture as multifunctional host via simple sacrificial templates method. The cellular flake large surface area can encapsulate much...
The redox reactions occurring in the Li-S battery positive electrode conceal various and critical electrocatalytic processes, which strongly influence performances of this electrochemical energy storage system. Here, we report development a single-dispersed molecular cluster catalyst composite comprising polyoxometalate framework ([Co4(PW9O34)2]10-) multilayer reduced graphene oxide. Due to interfacial charge transfer exposure unsaturated cobalt sites, demonstrates efficient polysulfides...
Sodium metal anodes are poor due to the reversibility of Na plating/stripping, which hinders their practical applications. A strategy form a sodiophilic Au-Na alloy interphase on Cu current collector, involving sputtered Au thin layer, is shown enable efficient plating/stripping for certain period time. Herein, electrochemical behaviors plating different substrates explored, and it revealed that can be achieved universally by in situ formation M-Na (M = Au, Sn, Sb) alloys during prior bulk...
Abstract Rechargeable lithium batteries using 5 V positive electrode materials can deliver considerably higher energy density as compared to state-of-the-art lithium-ion batteries. However, their development remains plagued by the lack of electrolytes with concurrent anodic stability and Li metal compatibility. Here we report a new electrolyte based on dimethyl 2,5-dioxahexanedioate solvent for V-class Benefiting from particular chemical structure, weak interaction cation resultant peculiar...
This work provides a facile one-step sol-gel route to synthesize high-quality resorcinol-formaldehyde (RF) resin coated nanocomposites that can be further used fabricate desired carbon nanostructures. Colloidal particles with different morphologies and sizes RF shells by the proposed cationic surfactant assisted coating strategy. The as-synthesized are ideal candidates for selective synthesis of core-shell, hollow, yolk-shell Based on carboxylic functional coating, graphitic nanostructures...
A hierarchical S/MWCNT nanomicrosphere for lithium/sulfur batteries with a high power and energy density as well an excellent cycle life is introduced. Sulfur was uniformly coated on the surface of functional MWCNTs, which serves carbon matrix, to form typical nanoscale core–shell structure sulfur layer thickness 10–20 nm. Then intermediate composite ball-milled interwoven porous sphere architecture large pores (around 1 μm 5 μm). Different from most sulfur/carbon materials micropore...
Lithium metal anodes suffer from poor cycling stability and potential safety hazards. To alleviate these problems, Li thin-film prepared on current collectors (CCs) Li-free types of that involve direct plating CCs have received increasing attention. In this study, the atomic-scale design Cu-CC surface lithiophilicity based lattice matching bcc Li(110) fcc Cu(100) faces as well electrochemical achievement Cu(100)-preferred surfaces for smooth deposition with a low nucleation barrier is...
For Li-S batteries, the catalysis for S redox reaction is indispensable. A lot of multifunctional sulfur electrode support materials with have been investigated widely. However, most these studies were carried out at room temperature, and interaction between different components in matrix not often paid enough attention. Here, we report a graphene supported BN nanosheet composite which synergistic effect greatly enhanced adsorption polysulfides, thus leading to excellent performance wide...
The polyoxovanadate cluster Li7[V15O36(CO3)] is shown to be an active cathode material in Li-ion batteries, delivering a capacity of 250 mA h g(-1) at 50 and 140 10 A g(-1). diffusion rapid this gives rise impressive maximum power density output 25.7 kW kg(-1) (55 L(-1)).
A facile way to prepare S, N-co-doped hollow carbon spheres with excellent cyclic and rate performance for sodium ion batteries.
Investigations of the Ag (I)-substituted Keggin K3[H3AgIPW11O39] as a bifunctional Lewis acidic and basic catalyst are reported that explore stabilization Li2Sn moieties so reversible redox reactions in S-based electrodes would be possible. Spectroscopic investigations showed Li2Sn-moieties can strongly adsorbed on {AgIPW11O39} cluster, where Ag(I) ion act acid site to further enhance adsorption S-moieties, these interactions were investigated rationalized using DFT. These results used...
Abstract The nonaqueous lithium–oxygen (Li–O 2 ) battery is considered as one of the most promising candidates for next‐generation energy storage systems because its very high theoretical density. However, development severely hindered by large overpotential and limited capacity, far less than theory, caused sluggish oxygen redox kinetics, pore clogging solid Li O deposition, inferior /cathode contact interface, difficult transport. Herein, an open‐structured Co 9 S 8 matrix with sisal...
Abstract An composite comprising amorphous carbon nitride (ACN) and zinc oxide is derived from ZIF‐8 by pyrolysis. The a promising anode material for sodium‐ion batteries. nitrogen content of the ACN as high 20.4 %, bonding state mostly pyridinic, determined X‐ray photoelectron spectroscopy (XPS). exhibits an excellent Na + storage performance with reversible capacity 430 mA h g −1 146 at current densities 83 8.33 A , respectively. specific 175 was maintained after 2000 cycles 1.67 only...
Porous titanium nitride (TiN) tubes which have a high conductivity are used as the sulfur host material. The TiN strong affinity for atoms/ions in LiPSs, and can catalyze oxidation of LiPSs. TiN/S cathode presented specific capacity, excellent cycling performance coulombic efficiency.
High-performance and stable electrocatalysts for both the hydrogen evolution reaction (HER) oxygen (OER) that can work at same pH condition are in high demand overall water-splitting systems. Here, we report a partially oxidized Co situ anchored porous nitrogen-doped nano carbon dodecahedron its application electrocatalytic water splitting. The Co3O4 shell worked as an efficient charge separation layer while metallic inner core transported separated charges immediately to N-carbon framework....