- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Extraction and Separation Processes
- Mesoporous Materials and Catalysis
- Catalytic Processes in Materials Science
- Electrocatalysts for Energy Conversion
- Covalent Organic Framework Applications
- Thermal Expansion and Ionic Conductivity
- Metal-Organic Frameworks: Synthesis and Applications
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Catalysis and Oxidation Reactions
- Synthesis and properties of polymers
- Zeolite Catalysis and Synthesis
- Advanced Photocatalysis Techniques
- Chemical Synthesis and Characterization
- Fuel Cells and Related Materials
- Graphene research and applications
- Solid-state spectroscopy and crystallography
- Inorganic Chemistry and Materials
- Conducting polymers and applications
- Semiconductor materials and devices
Zhejiang University
2015-2024
Quzhou University
2021-2024
Shanghai Jiao Tong University
2020
Hangzhou Xixi hospital
2016-2019
Oak Ridge National Laboratory
2008-2018
Oak Ridge Associated Universities
2014-2016
Center for Nanophase Materials Sciences
2009-2015
Knoxville College
2011
University of Cincinnati
2008
University of Colorado Boulder
2008
Porous carbon materials are of interest in many applications because their high surface area and physicochemical properties. Conventional syntheses can only produce randomly porous materials, with little control over the pore-size distributions, let alone mesostructures. Recent breakthroughs preparation other have resulted development methods for mesoporous extremely areas ordered mesostructures, potential as catalysts, separation media, advanced electronic scientific disciplines. Current be...
Filling the pores: A zinc-based metal–organic framework (MOF) can be transformed reversibly from an open (a) to a dense (b) configuration. The microporous solid is first example of MOF that highly selective in gas-chromatographic separation alkanes.
We report herein a hierarchically structured sulfur−carbon (S/C) nanocomposite material as the high surface-area cathode for rechargeable lithium batteries. A porous carbon with uniform distribution of mesopores 7.3 nm has been synthesized through soft-template synthesis method. The potassium hydroxide activation this mesoporous results in bimodal added microporosity less than 2 to existing without deterioration integrity original carbon. Elemental sulfur loaded micropores solution...
Made to order: The synthesis of well-defined porous carbon films involves four steps: 1) monomer–block copolymer film casting, 2) structure refining through solvent annealing, 3) polymerization the precursor, and 4) carbonization. resulting films, such as that depicted, have potential separation membranes, chemical sensors, catalysts. Supporting information for this article is available on WWW under http://www.wiley-vch.de/contents/jc_2002/2004/z461051_s.pdf or from author. Please note:...
A general method based on two-phase polymerization has been described to synthesize mesoporous carbons via self-assembly. Mild reacting conditions and wide composition ranges are the obvious advantages of this over techniques previously reported.
A solid-state high-voltage (5 V) lithium battery is demonstrated to deliver a cycle life of 10 000 with 90% capacity retention. The solid electrolyte enables the use cathodes and Li anodes minimum side reactions, leading high Coulombic efficiency 99.98+%. As service our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized for online delivery, but not copy-edited or typeset. Technical support issues arising...
Owing to the four features summarized in this review, <italic>i.e.</italic>, low-cost resource, high-power performance, all-climate adaptability and full-batty recyclability, sodium ion batteries show great promise for large-scale energy storage systems used application of renewable sources smart grids.
Abstract Lithium–sulfur batteries are promising technologies for powering flexible devices due to their high energy density, low cost and environmental friendliness, when the insulating nature, shuttle effect volume expansion of sulfur electrodes well addressed. Here, we report a strategy using foldable interpenetrated metal-organic frameworks/carbon nanotubes thin film binder-free advanced lithium–sulfur through facile confinement conversion. The carbon interpenetrate frameworks crystal...
Abstract Lithium‐sulfur (Li‐S) batteries suffer from rapid capacity decay and low energy efficiency because of the solubility lithium sulfide (Li 2 S) in organic solvents intrinsic polysulfide shuttle phenomenon. Here, a novel additive, phosphorus pentasulfide (P S 5 ) electrolyte, is reported to boost cycling performance Li‐S batteries. The function additive two‐fold: 1) P promotes dissolution Li alleviates loss caused by precipitation 2) passivates surface metal therefore eliminates A test...
This review article gives insights on the current status and future perspectives of lithium–sulfur battery technology.
This work presents a facile synthesis approach for core-shell structured Li2S nanoparticles with as the core and Li3PS4 shell. material functions lithium superionic sulfide (LSS) cathode long-lasting, energy-efficient lithium-sulfur (Li-S) batteries. The LSS has an ionic conductivity of 10(-7) S cm(-1) at 25 °C, which is 6 orders magnitude higher than that bulk (∼10(-13) cm(-1)). high lithium-ion imparts excellent cycling performance to all-solid Li-S batteries, also promises safe...
Abstract High‐capacity electrode materials play a vital role for high‐energy‐density lithium‐ion batteries. Silicon (Si) has been regarded as promising anode material because of its outstanding theoretical capacity, but it suffers from an inherent volume expansion problem. Binders have demonstrated improvements in the electrochemical performance Si anodes. Achieving ultrahigh‐areal‐capacity anodes with rational binder strategies remains significant challenge. Herein, binder‐lithiated...
In an example of stability from instability, a Li(7)P(2)S(8)I solid-state Li-ion conductor derived β-Li(3)PS(4) and LiI demonstrates electrochemical up to 10 V vs Li/Li(+). The oxidation instability I is subverted via its incorporation into the coordinated structure. inclusion also creates with metallic Li anode while simultaneously enhancing interfacial kinetics ionic conductivity. Low-temperature membrane processability enables facile fabrication dense membranes, making this suitable for...
High-loading sulfur electrode with ultrahigh areal capacity was easily achieved by exploiting a robust and efficient biopolymer network binder.
The effect of phenols reactivity with formaldehyde on the formation ordered mesoporous carbons has been investigated. A strategy to accelerate polymerization phenolic resins by using strongly acidic conditions is proposed. self-assembly resorcinol−formaldehyde and block copolymers (e.g., F127) under highly concentrations 1.5 M HCl) probably driven I+X−S+ mechanism hydrogen bonding affords a reproducible approach for synthesis carbons. can be readily scaled up no change in sample quality....
Exceptional performance reported for battery materials and devices in the scientific literature is often measured under conditions that are not aligned with practical applications. Aiming to bridge gap between academia industry, this Comment advocates best practices gauging proposes guidelines on measurements respect a list of key metrics such as capacity, cyclability, Coulombic efficiency electrolyte consumption.
Schwefelreiche Lithiumpolysulfidophosphate (LPSPs) ergeben langlebige und effiziente Lithium-Schwefel-Batterien. Die Ionenleitfähigkeiten von LPSPs (3.0×10−5 S cm−1 bei 25 °C) sind um 8 Größenordnungen höher als Li2S, was entsprechenden Batterien eine ausgezeichnete Zyklenleistung verleiht. Tatsache, dass die vollständige Feststoffkonfiguration aufweisen, lässt außerdem einen sicheren Betrieb mit Lithiummetall-Anoden erhoffen.
Abstract All‐solid‐state sodium batteries, using solid electrolyte and abundant resources, show great promise for safe, low‐cost, large‐scale energy storage applications. The exploration of novel electrolytes is critical the room temperature operation all‐solid‐state Na batteries. An ideal must have high ionic conductivity, hold outstanding chemical electrochemical stability, employ low‐cost synthetic methods. Achieving combination these properties a grand challenge synthesis sulfide‐based...
Abstract Binders are required to dissipate huge mechanical stress and enhance the lithium‐ion diffusion kinetics of silicon anodes during cycling. Herein, a stress‐distribution binder with high ionic conductivity (GG‐g‐PAM) is constructed by grating polyacrylamide (PAM) onto ion‐conductive guar gum (GG) backbone. The distribution toward grafted PAM chain enables effective dissipation GG‐g‐PAM binder, thus maintains stable electrode‐electrolyte interface ability confirmed PeakForce atomic...
Solid-state electrolyte (SSE) is promising for application in all-solid-state lithium metal batteries because of its reliable safety and longevity. The failure SSE to suppress dendrite formation Li anodes has been conventionally explained by uneven deposition at Li/SSE interfaces subsequent dendritic growth. While within recently proposed as another key cause failure, little known regarding the growth details inside itself. In this work, we performed situ microscopic observation obtained...
Die Poren werden gefüllt: Ein metall-organisches Gerüst (MOF) auf Zinkbasis kann reversibel eine offene (a) und dichte Konfiguration (b) annehmen. Der mikroporöse Feststoff wirkt als erstes MOF hoch selektiv bei der gaschromatographischen Trennung von Alkanen. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2001/2006/z502844_s.pdf or from author. Please note: The publisher not responsible content functionality of any supporting...