A5062211076- Advancements in Battery Materials
- Supercapacitor Materials and Fabrication
- Advanced Battery Materials and Technologies
- Graphene research and applications
- Advanced battery technologies research
- Electrocatalysts for Energy Conversion
- Advanced Battery Technologies Research
- Catalytic Processes in Materials Science
- Thermal properties of materials
- Conducting polymers and applications
- Nanomaterials for catalytic reactions
- Electromagnetic wave absorption materials
- Catalysis for Biomass Conversion
- Fuel Cells and Related Materials
- Advanced Antenna and Metasurface Technologies
- Advanced Sensor and Energy Harvesting Materials
- MXene and MAX Phase Materials
- Extraction and Separation Processes
- Chemical Synthesis and Characterization
- Advanced Photocatalysis Techniques
- Mesoporous Materials and Catalysis
- Layered Double Hydroxides Synthesis and Applications
- Aerogels and thermal insulation
- Fiber-reinforced polymer composites
- Thermal Radiation and Cooling Technologies
Institute of Coal Chemistry
2016-2025
Chinese Academy of Sciences
2016-2025
University of Chinese Academy of Sciences
2009-2025
South China Agricultural University
2024
Hohai University
2023
Dalian National Laboratory for Clean Energy
2020-2021
Taiyuan University of Science and Technology
2021
Dalian Institute of Chemical Physics
2020
State Council of the People's Republic of China
2015-2016
Tianjin University
2009-2015
Lithium–sulfur (Li–S) battery system is endowed with tremendous energy density, resulting from the complex sulfur electrochemistry involving multielectron redox reactions and phase transformations. Originated slow kinetics of polysulfide intermediates, flood polysulfides in batteries during cycling induced low utilization, severe polarization, efficiency, deteriorated shuttle, short life. Herein, sulfiphilic cobalt disulfide (CoS2) was incorporated into carbon/sulfur cathodes, introducing...
Flexible, semi-transparent, and free-standing graphite oxide membranes are produced by a facile self-assembly process at the liquid/air interface, thickness controlled area adjustable. Such macroscopic constructed from individual graphene sheets layer-by-layer stacking show excellent mechanical optical performance.
Lithium–sulfur batteries hold great promise for serving as next generation high energy density batteries. However, the shuttle of polysulfide induces rapid capacity degradation and poor cycling stability lithium–sulfur cells. Herein, we proposed a unique battery configuration with an ultrathin graphene oxide (GO) membrane stability. The oxygen electronegative atoms modified GO into polar plane, carboxyl groups acted ion-hopping sites positively charged species (Li+) rejected transportation...
A preheated high-temperature environment is believed to be critical for a chemical-exfoliation-based production of graphenes starting from graphite oxide, belief that based on not only experimental but also theoretical viewpoints. novel exfoliation approach reported in this study, and the process realized at very low temperature, which far below proposed by introducing high vacuum process. Owing unique surface chemistry, low-temperature exfoliated demonstrate an excellent energy storage...
Hierarchical porous carbon microtubes derived from willow catkins exhibited excellent electrochemical performances in both aqueous and organic electrolytes.
Abstract Carbonaceous materials have been accepted as a promising family of anode for lithium‐ion batteries (LIBs) owing to optimal overall performance. Among various emerging carbonaceous materials, hard carbons recently gained significant attention high‐energy LIBs. The most attractive features are the enriched microcrystalline structure, which not only benefits uptake more Li + ions but also facilitates intercalation and deintercalation. However, booming application is significantly...
The reversible electrochemical transformation from lithium (Li) and sulfur (S) into Li 2 S through multielectron reactions can be utilized in secondary Li–S batteries with very high energy density. However, both the low Coulombic efficiency severe capacity degradation limits full utilization of active sulfur, which hinders practical applications battery system. present study reports a ternary‐layered separator macroporous polypropylene (PP) matrix layer, graphene oxide (GO) barrier Nafion...
Graphene with mediated surface properties and three-dimensional hierarchical architectures show unexpected performance in energy conversion storage. To achieve advanced graphene electrode supercapacitors, manipulating the building-blocks into nanostructured carbon materials large electrical double layer capacitance pseudo-capacitance is a key issue. Here, it shown that hierarchically aminated graphitic honeycombs (AGHs) area for capacitance, tunable chemistry pseudo-capacitance, 3D...
Lithium- (Li-) ion batteries have revolutionized our daily life towards wireless and clean style, the demand for with higher energy density better safety is highly required. The next-generation innovatory chemistry, material, engineering breakthroughs are in strong pursuit currently. Herein, key historical developments of practical electrode materials Li-ion summarized as cornerstone innovation batteries. In addition, emerging discussed revolving challenges potential strategies. Finally,...
A thermally reduced graphene oxide film (r-GOF), with tailorable micro-structures and macro-properties, is fabricated by annealing a filtrated (GOF) in confined space. The structural evolution of the at different temperatures systematically investigated, further correlated to thermal conductivity mechanical performances. With increase temperature, more oxygen-containing functional groups are removed from simultaneous conversion sp3 sp2 carbon graphitic lattice. As temperature reached 1200...
Lithium-sulfur (Li-S) batteries constitute promising next-generation energy storage devices due to the ultrahigh theoretical density of 2600 Wh kg-1. However, multiphase sulfur redox reactions with sophisticated homogeneous and heterogeneous electrochemical processes are sluggish in kinetics, thus requiring targeted high-efficient electrocatalysts. Herein, a semi-immobilized molecular electrocatalyst is designed tailor characters working Li-S batteries. Specifically, porphyrin active sites...
As a low dimensional crystal, graphene attracts great attention as heat dissipation material due to its unique thermal transfer property exceeding the limit of bulk graphite. In this contribution, flexible graphene–carbon fiber composite paper is fabricated by depositing oxide into carbon precursor followed carbonization. full‐carbon architecture, scaffold one‐dimensional employed structural component reinforce mechanical strength, while hierarchically arranged two‐dimensional in framework...
We developed a nanoscale Kirkendall effect assisted method for simple and scalable synthesis of three-dimensional (3D) Fe2O3 hollow nanoparticles (NPs)/graphene aerogel through the use waste seaweed biomass as new precursors. The with an average shell thickness ∼6 nm are distributed on 3D graphene aerogel, also act spacers to make separation neighboring nanosheets. graphene–Fe2O3 aerogels exhibit high rate capability (550 mA h g–1 at 5 A g –1) excellent cyclic stability (729 0.1 300 cycles),...
The lifespan of high-energy-density lithium metal batteries (LMBs) is hindered by heterogeneous solid electrolyte interphase (SEI). rational design electrolytes strongly considered to obtain uniform SEI in working batteries. Herein, a modification nitrate ion (NO3- ) proposed and validated improve the homogeneity practical LMBs. NO3- connected an ether-based moiety form isosorbide dinitrate (ISDN) break resonance structure reducibility. decomposition non-resonant -NO3 ISDN enriches with...
LiPF6-based commercial electrolytes are widely used in lithium-ion batteries (LIBs). However, due to the low ion conductivity that originated from high freezing point of EC, sluggish desolvation process, and large interface resistance, LIBs with currently electrolyte based on LiPF6 demonstrate unsatisfactory performance low-temperature operation. Herein, a local high-concentration lithium difluorobis(oxalato)phosphate (LiDFBOP) additive is designed enhance at temperature....
Abstract Increasing closed pore volume in hard carbon is considered to be the most effective way enhance electrochemical performance sodium‐ion batteries. However, there a lack of systematic insights into formation mechanisms pores at molecular level. In this study, regulation strategy via adjustment content free radicals reported. Sufficient are exposed by part delignification bamboo, which related well‐developed layers and rich pores. addition, excessive from nearly total lead more...