A5061040845- Advanced battery technologies research
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Advancements in Battery Materials
- Advanced Battery Technologies Research
- MXene and MAX Phase Materials
- CO2 Reduction Techniques and Catalysts
- Ionic liquids properties and applications
- Perovskite Materials and Applications
- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- Advanced Sensor and Energy Harvesting Materials
- Carbon dioxide utilization in catalysis
- Electrospun Nanofibers in Biomedical Applications
- Fuel Cells and Related Materials
- Caching and Content Delivery
- Molecular Junctions and Nanostructures
- Conducting polymers and applications
- Covalent Organic Framework Applications
- Catalytic Processes in Materials Science
- Dielectric materials and actuators
- Supramolecular Self-Assembly in Materials
- Magnetic Properties and Synthesis of Ferrites
- Electromagnetic wave absorption materials
- Graphene research and applications
Unité Matériaux et Transformations
2022-2024
Tianjin University
2018-2024
Collaborative Innovation Center of Chemical Science and Engineering Tianjin
2018-2024
State Key Laboratory of Chemical Engineering
2018-2022
National University of Singapore
2019
Abstract Gelation is an effective way to realize the self‐assembly of nanomaterials into different macrostructures, and in a typical use, gelation graphene oxide (GO) produces various graphene‐based carbon materials with applications. However, MXenes, another important type 2D that have surface chemistry from GO, difficult achieve. Here, first MXenes aqueous dispersion initiated by divalent metal ions reported, where strong interaction between these OH groups on MXene plays key role....
Zinc-anode-based batteries have been widely studied because of their low cost, high capacity, and energy density. However, the formation dendrites on zinc anode during cycling severely affects stability safety this type battery. In work, a series electrolyte additives with potential to counter problem were studied. We found that lithium chloride (LiCl) additive can suppress growth stabilize Zn metal anode, which cations (Li+) preferentially form Li2O/Li2CO3 upon surface provide shielding...
Abstract Rechargeable aqueous zinc (Zn) ion‐based energy storage systems have been reviving recently because of their low cost and high safety merits; however, they still suffer from the problems corrosion dendrite growth on Zn metal anodes that cause gas generation early battery failure. Unfortunately, problem has not received sufficient attention until now. Here, it is pioneeringly demonstrated decorating surface with a dual‐functional metallic indium (In) layer, acting as both inhibitor...
Abstract Aqueous zinc batteries, that demonstrate high safety and low cost, are considered promising candidates for large‐scale energy storage. However, Zn anodes suffer from rapid performance deterioration due to the severe dendrite growth side reactions. Herein, with a low‐cost ammonium acetate (NH 4 OAc) additive, self‐regulated Zn/electrolyte interface is built address these problems. The NH + induces dynamic electrostatic shielding layer around abrupt protuberance make deposition...
Tin and its compounds hold promise for the development of high-capacity anode materials that could replace graphitic carbon used in current lithium-ion batteries. However, introduced porosity electrode designs to buffer volume changes active during cycling does not afford high volumetric performance. Here, we show a strategy leveraging sulfur sacrificial agent controlled utility void space tin oxide/graphene composite anode. In typical synthesis using capillary drying graphene hydrogels, is...
Electrocatalytic CO2 reduction to value-added hydrocarbon products using metallic copper (Cu) catalysts is a potentially sustainable approach facilitate carbon neutrality. However, Cu metal suffers from unavoidable and uncontrollable surface reconstruction during electrocatalysis, which can have either adverse or beneficial effects on its electrocatalytic performance. In break the current catalyst design path, we propose strategy guiding process in favorable direction improve Typically,...
An electrochemical quartz crystal microbalance (EQCM) was used to in situ reveal the deposition/dissolution chemistry of MnO 2 aqueous electrolytes, which proceeds by a pH-dependent Mn( iii ) (MnOOH and/or Mn 3+ )-mediated path.
In aqueous zinc (Zn) batteries, the Zn anode suffers from severe corrosion reactions and consequent dendrite growth troubles that cause fast performance decay. Herein, we uncover mechanism confirm dissolved oxygen (DO) other than reputed proton is a principal origin of by-product precipitates, especially during initial battery resting period. break common physical deoxygenation methods, propose chemical self-deoxygenation strategy to tackle DO-induced hazards. As proof concept, sodium...
Abstract Zinc batteries hold great potential for stationary energy storage but suffer from severe dendrite growth, corrosion, and hydrogen evolution troubles in aqueous electrolytes. Despite the impressive efficacy of non‐flammable hydrous organic electrolytes addressing these problems, insufficient ionic conductivity hinders rate capability practicability Zn batteries. Here, methanol is proposed as a co‐solvent ethylene glycol (EG)‐based electrolytes, where its methyl terminal group can...
Developing hydrophobic interface has proven effective in addressing dendrite growth and side reactions during zinc (Zn) plating aqueous Zn batteries. However, this solution inadvertently impedes the solvation of
Abstract Supercapacitors are increasingly in demand among energy storage devices. Due to their abundant porosity and low cost, activated carbons the most promising electrode materials have been commercialized supercapacitors for many years. However, packing density leads an unsatisfactory volumetric performance, which is a big obstacle practical use where high necessary. Inspired by dense structure of irregular pomegranate grains, simple yet effective approach pack into compact graphene...
Abstract Killer applications of graphenes are always being pursued and critical for realizing industrialization. Since the first attempt using graphene in lithium‐ion batteries, has been demonstrated as a key component electrochemical energy storage technologies. However, unique roles beyond traditional carbon still unclear need to be clarified. Here, this review starts with glance over history applications, then briefly discusses different dimensional representative synthesis methods that...
The aqueous zinc (Zn) battery is a safe and eco-friendly energy-storage system. However, the use of Zn metal anodes impeded by uncontrolled deposition behavior. Herein, we regulate Zn-ion process for dendrite-free using an aminosilane molecular layer with high zincophilic sites narrow molecule channels. causes ions to undergo consecutive processes including being captured amine functional groups diffusing through intermolecular channels before electroplating, which induces partial...
Abstract Excess greenhouse gas emissions, primarily carbon dioxide (CO 2 ), have caused major environmental concerns worldwide. The electroreduction of CO into valuable chemicals using renewable energy is an ecofriendly approach to achieve neutrality. In this regard, copper (Cu) has attracted considerable attention as the only known metallic catalyst available for converting high-value multicarbon (C 2+ ) products. production C involves complicated C–C coupling steps and thus imposes high...
Abstract Due to outstanding electrical conductivity and excellent solution processing ability, MXenes show great potential as inks for printed/coated electronic devices. To meet the rheological requirements, an ultra‐high concentration is usually involved formulate into versatile inks, however, low efficiency in rheology regulation, restacking issues of MXene sheets hinder their further applications. Herein, a gelation‐assisted approach proposed prepare with 3D interlinked network well...
Abstract In aqueous zinc (Zn) batteries, the Zn anode suffers from severe corrosion reactions and consequent dendrite growth troubles that cause fast performance decay. Herein, we uncover mechanism confirm dissolved oxygen (DO) other than reputed proton is a principal origin of by‐product precipitates, especially during initial battery resting period. break common physical deoxygenation methods, propose chemical self‐deoxygenation strategy to tackle DO‐induced hazards. As proof concept,...
A dense but unimpeded electron/ion conductive AQS/graphene network is designed to construct high-volumetric/areal-capacitance thick electrodes.
Green ammonia synthesis and elimination of nitrate pollution from water are two global challenges that need to be dealt with. Electrocatalytic reduction (e-NRA) using renewable electricity has been considered a potential solution these simultaneously. Although great research progress achieved in developing high-activity catalysts, insufficient attention paid the electrolyzer design, which also vital impact on e-NRA performance. Herein, we first abandoned anion exchange membranes due...