A5091074862- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Photocatalysis Techniques
- Covalent Organic Framework Applications
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Pharmaceutical and Antibiotic Environmental Impacts
- Advanced oxidation water treatment
- Thermal Expansion and Ionic Conductivity
- MXene and MAX Phase Materials
- TiO2 Photocatalysis and Solar Cells
- Metal-Organic Frameworks: Synthesis and Applications
- Conducting polymers and applications
- Water Quality Monitoring and Analysis
- Advanced Battery Technologies Research
- CO2 Reduction Techniques and Catalysts
- Electrochemical sensors and biosensors
- Perovskite Materials and Applications
- Catalytic C–H Functionalization Methods
- Environmental remediation with nanomaterials
- Radioactive element chemistry and processing
- Pesticide and Herbicide Environmental Studies
- Chalcogenide Semiconductor Thin Films
- Radical Photochemical Reactions
- Catalytic Cross-Coupling Reactions
Hunan Institute of Engineering
2015-2025
University of Science and Technology of China
2017-2025
Hefei National Center for Physical Sciences at Nanoscale
2019-2025
Collaborative Innovation Center of Chemistry for Energy Materials
2023-2024
National Synchrotron Radiation Laboratory
2021-2024
Donghua University
2021-2022
Chinese Academy of Sciences
2009-2021
Shanghai Institute of Ceramics
2021
Hefei University
2017-2018
Shanghai Institute of Technology
2018
Abstract High energy density at high power is still a challenge for the current Li‐ion capacitors (LICs) due to mismatch of charge‐storage capacity and electrode kinetics between capacitor‐type cathode battery‐type anode. In this work, B N dual‐doped 3D porous carbon nanofibers are prepared through facile method as both anode LICs. The dual doping has profound effect in tuning porosity, functional groups, electrical conductivity nanofibers. With rational design, developed (BNC) exhibit...
Lithium-sulfur (Li-S) batteries are strongly considered as next-generation energy storage systems because of their high density. However, the shuttling lithium polysulfides (LiPS), sluggish reaction kinetics, and uncontrollable Li-dendrite growth severely degrade electrochemical performance Li-S batteries. Herein, a dual-functional flexible free-standing carbon nanofiber conductive framework in situ embedded with TiN-VN heterostructures (TiN-VN@CNFs) an advanced host simultaneously for both...
Abstract Bismuth (Bi) is an attractive material as anodes for both sodium‐ion batteries (NIBs) and potassium‐ion (KIBs), because it has a high theoretical gravimetric capacity (386 mAh g −1 ) volumetric (3800 L ). The main challenges associated with Bi are structural degradation instability of the solid electrolyte interphase (SEI) resulting from huge volume change during charge/discharge. Here, multicore–shell structured Bi@N‐doped carbon (Bi@N‐C) anode designed that addresses these issues....
Transition metal sulfides (TMSs) have been demonstrated as attractive anodes for potassium-ion batteries (KIBs) due to the high capacity, abundant resource, and excellent redox reversibility. Unfortunately, practical implementation of TMSs KIBs is still hindered by unsatisfactory cyclability rate performance which result from vast volume variation during charge/discharge processes. Herein, a uniform nitrogen-doped carbon coated Cu2S hollow nanocube (Cu2S@NC) designed an anode material KIB,...
Bismuth (Bi) has been demonstrated as a promising anode for Na-ion batteries (NIBs) because it high gravimetry (386 mA h g-1) and volumetric capacity (3800 cm-3). However, Bi suffers from large volume expansion during sodiation, leading to poor electrochemical performance. The construction of nanostructure with sufficient void space accommodate the change proven effective achieving prolonged cycling stability. However excessive will definitely decrease energy density battery. Herein, we...
Abstract Sodium metal anodes are ideal candidates for advanced high energy density Na batteries. Nevertheless, the unstable solid electrolyte interphase (SEI), uncontrollable dendrite growth, and low Coulombic efficiency during cycling have prevented their applications. Herein, a high‐performance anode is achieved by introduction of an ex situ artificial 3 P layer on surface via simple red phosphorus pretreatment method. The SEI possesses ionic conductivity Young's modulus, which regulates...
Metallic Na (K) are considered a promising anode materials for Na-metal and K-metal batteries because of their high theoretical capacity, low electrode potential, abundant resources. However, the uncontrolled growth dendrites severely damages stability electrode/electrolyte interface, resulting in battery failure. Herein, heterogeneous interface layer consisting metal vanadium nanoparticles sodium sulfide (potassium sulfide) is introduced on surface foil (i.e., Na2 S/V/Na or K2 S/V/K)....
Abstract The sodium (potassium)‐metal anodes combine low‐cost, high theoretical capacity, and energy density, demonstrating promising application in batteries. However, the dendrites’ growth on surface of Na (K) has impeded their practical application. Herein, density functional theory (DFT) results predict 2 Te/K Te is beneficial for + /K transport can effectively suppress formation dendrites because low migration barrier ultrahigh diffusion coefficient 3.7 × 10 −10 cm s −1 /1.6 (300 K),...
Abstract Rational element doping is demonstrated as an effective strategy to optimize crystal stability and enhance the electronic conductivity of Prussian blue analogs (PBAs) achieve a satisfactory sodium storage performance. However, unraveling dopant selection principles still big challenge. Herein, integrated orbital Hamilton population (ICOHP) function adopted evaluate strength chemical bonds N‐transition metals (N‐TM) guide selection. Among series ICOHP values for N‐TM (TM = Mn, Fe,...
Pharmaceutical compounds and metabolites are being found in surface ground waters which is indicative of inefficient removal by conventional wastewater treatment technologies. Advanced oxidation processes (AOPs), utilize free-radical reactions to degrade chemical contaminates, an alternative traditional water treatment. Three fluoroquinolone pharmaceutical were studied the absolute rate constants for hydroxyl radical (•OH) hydrated electron (e−aq) reported. For norfloxacin, levofloxacin,...
Abstract Na‐Se and K‐Se batteries are attractive as a stationary energy storage system because of much abundant resources Na K in the Earth's crust. As alloy‐type Se has severe pulverization issue, one critical challenge to develop advanced is explore highly efficient stable Se‐based cathode. Herein, flexible free‐standing Se/carbon composite film prepared by encapsulation into carbon nanotube (CNT) interwoven N,O dual‐doped porous nanosheet (Se@NOPC‐CNT). The 3D interconnected CNT uniformly...
Abstract The potassium–selenium (K–Se) battery is considered as an alternative solution for stationary energy storage because of abundant resource K. However, the detailed mechanism process yet to be unraveled. Herein, findings in probing working K‐ion Se cathode are reported using both experimental and computational approaches. A flexible K–Se prepared by employing small‐molecule embedded freestanding N ‐doped porous carbon nanofibers thin film (Se@NPCFs) cathode. reaction mechanisms...
Carbonaceous materials have been considered as promising anodes for potassium-ion batteries (PIBs) because of their high electronic conductivity, eco-friendliness, and structural stability. However, the small interlayer spacing serious volume expansion caused by repeated insertion/extraction large K-ions restrict storage performance. Herein, F N codoped carbon nanosheets (FNCS) with rich-edge defects are designed to resolve these problems. The doping is in favor formation more edge layer,...
Abstract Bismuth (Bi) has attracted considerable attention as promising anode material for sodium‐ion batteries (NIBs) owing to its suitable reaction potential and high volumetric capacity density (3750 mA h cm −3 ). However, the large expansion during cycling causes severe structural degradation fast decay. Herein, by rational design, a self‐healing nanostructure 3D continuous bulk porous bismuth (3DPBi) is prepared via facile liquid phase reduction reaction. The interconnected Bi...
Rechargeable batteries are promising platforms for sustainable development of energy conversion and storage technologies. Highly efficient multifunctional electrodes based on bimetallic sulfides rechargeable extremely desirable but still challenging to tailor with controllable phase structure. Here, we report a colloidal strategy fabricate FeCo-based reduced graphene oxide (rGO), which expected display highly oxygen electrocatalysis sodium performances. Specifically, as-screened FeCo8S8...
Abstract Bismuth‐based anode for potassium ion batteries (KIBs) has gained great attention due to its high volumetric specific capacity (3800 mA h mL −1 ). However, the Bi‐based materials face a huge change upon cycling process. Herein, dimensionality manipulation in Bi‐anode is focused realize superior electrochemical performance. The morphological evolution rules of 0D, 1D, 2D, and 3D Bi anodes potassiation/depotassiation process are clarified. Thereinto, 2D‐Bi transforms into continuous...
Strong excitonic effects are the major constraints hindering free charge carrier generation in polymeric semiconductors. Minimizing potential Coulomb interaction of Frenkel excitons is ideal for boosting carrier.
The practical application of the room-temperature sodium-sulfur (RT Na-S) batteries is hindered by insulated sulfur, severe shuttle effect sodium polysulfides, and insufficient polysulfide conversion. Herein, on basis first principles calculations, single-atom vanadium anchored a 3D nitrogen-doped hierarchical porous carbon matrix (denoted as 3D-PNCV) designed fabricated to enhance sulfur reactivity, adsorption catalytic conversion performance polysulfide. 3D-PNCV host with abundant active V...