A5034965497- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Surface Modification and Superhydrophobicity
- MXene and MAX Phase Materials
- Advanced battery technologies research
- Magnesium Alloys: Properties and Applications
- Corrosion Behavior and Inhibition
- Electrocatalysts for Energy Conversion
- Advanced Battery Technologies Research
- Advanced Sensor and Energy Harvesting Materials
- Aluminum Alloys Composites Properties
- Covalent Organic Framework Applications
- Metal and Thin Film Mechanics
- Fuel Cells and Related Materials
- Advanced Photocatalysis Techniques
- Semiconductor materials and devices
- Electrospun Nanofibers in Biomedical Applications
- Nanomaterials for catalytic reactions
- Electrohydrodynamics and Fluid Dynamics
- Advancements in Solid Oxide Fuel Cells
- Atomic and Subatomic Physics Research
- Extraction and Separation Processes
- Graphene research and applications
- Luminescence Properties of Advanced Materials
Collaborative Innovation Center of Chemistry for Energy Materials
2024
Fudan University
2024
Shanghai University
2024
Zhejiang Sci-Tech University
2024
Shanghai Jiao Tong University
2023-2024
Guilin University of Technology
2024
China Special Equipment Inspection and Research Institute
2024
Zhejiang Institute of Modern Textile Industry
2024
University of Hong Kong
2023-2024
Xi'an Jiaotong University
2024
Abstract The adequate potassium resource on the earth has driven researchers to explore new‐concept potassium‐ion batteries (KIBs) with high energy density. Graphite is a common anode for KIBs; however, main challenge faced by KIBs that K ions have larger size than Li and Na ions, hindering intercalation of into electrodes thus leading poor rate performance, low capacity, cycle stability during potassiation depotassiation process. Herein, an amorphous ordered mesoporous carbon (OMC) reported...
The development of active and durable bifunctional electrocatalysts for overall water splitting is mandatory renewable energy conversion. This study reports a general method controllable synthesis class IrM (M = Co, Ni, CoNi) multimetallic porous hollow nanocrystals (PHNCs), through etching Ir-based, multimetallic, solid using Fe3+ ions, as catalysts boosting splitting. Ir-based PHNCs show transition-metal-dependent electrocatalytic activities both the hydrogen evolution reaction (HER)...
Potassium-ion batteries (KIBs) are receiving increasing interest in grid-scale energy storage owing to the earth abundant and low cost of potassium resources. However, their development still stays at infancy stage due lack suitable electrode materials with reversible depotassiation/potassiation behavior, resulting poor rate performance, capacity, cycling stability. Herein, first example synthesizing single-crystalline metallic graphene-like VSe2 nanosheets for greatly boosting performance...
Abstract Despite high‐energy density and low cost of the lithium–sulfur (Li–S) batteries, their commercial success is greatly impeded by severe capacity decay during long‐term cycling caused polysulfide shuttling. Herein, a new phase engineering strategy demonstrated for making MXene/1T‐2H MoS 2 ‐C nanohybrids boosting performance Li–S batteries in terms capacity, rate ability, stability. It found that plentiful positively charged S‐vacancy defects created on ‐C, proved high‐resolution...
Abstract Potassium‐ion batteries (KIBs) have recently attracted intensive attention because of the abundant potassium resources and their low cost high safety. However, major challenge faced by KIBs lies in lack stable high‐capacity materials for intercalation/deintercalation large‐size ions. A unique pistachio‐shuck‐like MoSe 2 /C core/shell nanostructure (PMC) is synthesized herein as an advanced anode boosting performance KIBs. This PMC featured with a few layers molybdenum selenide core...
The application of flexible, robust, and low-cost solid polymer electrolytes in next-generation all-solid-state lithium metal batteries has been hindered by the low room-temperature ionic conductivity these small critical current density batteries. Both issues stem from mobility Li+ ions fast dendrite growth at Li metal/electrolyte interface. Herein, Mg(ClO4)2 is demonstrated to be an effective additive poly(ethylene oxide) (PEO)-based composite electrolyte regulate ion transport manipulate...
Lithium-sulfur (Li-S) batteries have been hindered by the shuttle effect and sluggish polysulfide conversion kinetics. Here, a P-doped nickel tellurium electrocatalyst with Te-vacancies (P⊂NiTe2-x ) anchored on maize-straw carbon (MSC) nanosheets, served as functional layer (MSC/P⊂NiTe2-x separator of high-performance Li-S batteries. The P⊂NiTe2-x enhanced intrinsic conductivity, strengthened chemical affinity for polysulfides, accelerated sulfur redox conversion. MSC nanosheets enabled...
The development of highly efficient and durable electrocatalysts for high-performance overall water-splitting devices is crucial clean energy conversion. However, the existing still suffer from low catalytic efficiency, need a large overpotential to drive reactions. Herein, we report an iridium–tungsten alloy with nanodendritic structure (IrW ND) as new class pH-universal bifunctional hydrogen oxygen evolution catalysis. IrW ND catalyst presents generation rate ∼2 times higher than that...
The catalysis of covalent organic frameworks (COFs) in Li–S chemistry is largely blocked by a weak chemical interaction and low conductivity. Herein, new kind diketopyrrolopyrrole (DPP)-based COF situ fabricated onto the carbon nanotube (CNT) surface (denoted as COF@CNT) to uncover electrocatalysis behavior its strong highly conductive property. We declare that electrocatalytic activity DPP-COF can be maximized introducing an appropriate content CNT (66 wt %); analyses including density...
Abstract Size engineering is deemed to be an adoptable method boost the electrochemical properties of potassium‐ion storage; however, it remains a critical challenge significantly reduce nanoparticle size without compromising uniformity. In this work, series MoP splotched nitrogen‐doped carbon nanosheets (MoP@NC) synthesized. Due coordinate and hydrogen bonds in water‐soluble polyacrylamide hydrogel, uniformly confined 3D porous NC form ultrafine nanoparticles which facilitate extreme...
Abstract The fast and reversible potassiation/depotassiation of anode materials remains an elusive yet intriguing goal. Herein, a class the P‐doping‐induced orthorhombic CoTe 2 nanowires with Te vacancy defects supported on MXene ( o ‐P‐CoTe /MXene) is designed prepared, taking advantage synergistic effects conductive arrays rich elastic sheets self‐autoadjustable function. Consequently, /MXene superstructure exhibits boosted potassium‐storage performance, in terms high capacity (373.7 mAh g...
The practical application of lithium-sulfur batteries is impeded by the polysulfide shuttling and interfacial instability metallic lithium anode. In this work, a twinborn ultrathin two-dimensional graphene-based mesoporous SnO2/SnSe2 hybrid (denoted as G-mSnO2/SnSe2) constructed immobilizer regulator for Li-S chemistry. as-designed G-mSnO2/SnSe2 possesses high conductivity, strong chemical affinity (SnO2), dynamic intercalation-conversion site (LixSnSe2), inhibits shuttle behavior, provides...
The proton, as the cationic form of lightest element-H, is regarded most ideal charge carrier in "rocking chair" batteries. However, current research on proton batteries still at its infancy, and they usually deliver low capacity suffer from severe acidic corrosion. Herein, electrochemically activated metallic H1.75MoO3 nanobelts are developed a stable electrode for storage. pre-intercalated protons not only bond directly with terminal O3 site via strong O-H bonds but also interact oxygens...
Abstract Lithium–sulfur (Li–S) batteries with high theoretical energy density have been long considered as an alternative storage device to lithium‐ion batteries. Nevertheless, the polysulfide shuttle effects trigger fast capacity decay and short battery lifespan, severely hampering their practical utilizations. Herein, efficient electrocatalyst comprising of nitrogen (N)‐coordinated binary metal single atoms (SAs) implanted within a hierarchical porous carbon skeleton (Fe/CoNHPC) is...
Corrosion caused by the active chemical properties of magnesium (Mg) alloys seriously restricts their applications in aerospace, transportation, biomedicine, and other fields. Although micro-arc oxidation (MAO) coatings can provide some corrosion protection for Mg alloys, microporous structure is prone to localized corrosion. Herein, nanoflower-shaped zinc phosphate prepared hydrophobically modified. The commercial glue used bond particle arrays MAO-coated AZ31B alloy substrate produce a...
Abstract Construction advanced fibers with high Faradic activity and conductivity are effective to realize energy density sufficient redox reactions for fiber‐based electrochemical supercapacitors (FESCs), yet it is generally at the sacrifice of kinetics structural stability. Here, a high‐entropy doping strategy proposed develop high‐energy‐density FESCs based on doped metal oxide@graphene fiber composite (HE‐MO@GF). Due synergistic participation multi‐metal elements via doping, HE‐MO@GF...
Zinc metal anode shows promise as a candidate material for high-performance zinc-based batteries due to its high safety and low cost. However, the rampant growth of zinc dendrites occurrence...
We report a new class of Si/SiO<sub>x</sub>@void@nitrogen-doped carbon double-shelled hollow superstructure electrodes that are capable accommodating huge volume changes without pulverization during cycling.
Abstract Searching for highly efficient and durable electrocatalysts the hydrogen evolution reaction (HER) that function effectively at all pHs is of great interest to scientific community, however it still a grand challenge, because HER kinetics Pt in alkaline solutions are approximately two three orders magnitude lower than acidic solution. Herein, new class wrinkled, ultrathin Rh 2 P nanosheets enhancing catalysis reported. They exhibit small overpotential 18.3 mV 10 mA cm −2 , low Tafel...
Intercalation-type TiNbxO2+2.5x (x = 2, 5, and 24) anode materials have recently become more interesting for lithium-ion batteries (LIBs) due to their large theoretical capacities of 388-402 mAh g-1. However, the Ti4+/Nb5+ ions in with empty 3d/4d orbitals usually lead extremely low electronic conductivity <10-9 S cm-1, greatly restricting practical capacity rate capability. Herein, we report a class highly conductive Cr0.5Nb24.5O62 nanowires as an intercalation-type material...
TiNb24O62 is explored as a new anode material for lithium-ion batteries. Microsized particles (M-TiNb24O62) are fabricated through simple solid-state reaction method and porous microspheres (P-TiNb24O62) synthesized facile solvothermal the first time. exhibits Wadsley–Roth shear structure with structural unit composed of 3 × 4 octahedron-block 0.5 tetrahedron at block-corner. P-TiNb24O62 an average sphere size ∼2 μm constructed by nanoparticles ∼100 nm, forming inter-particle pores ∼8 nm...