A5068461959- Supercapacitor Materials and Fabrication
- Advanced battery technologies research
- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Transition Metal Oxide Nanomaterials
- Solar-Powered Water Purification Methods
- ZnO doping and properties
- Gas Sensing Nanomaterials and Sensors
- Advanced Thermoelectric Materials and Devices
- Advanced Photocatalysis Techniques
- Advanced Battery Technologies Research
- Thermal Radiation and Cooling Technologies
- Advancements in Semiconductor Devices and Circuit Design
- Perovskite Materials and Applications
- MXene and MAX Phase Materials
- Solar Thermal and Photovoltaic Systems
- Electrocatalysts for Energy Conversion
- Membrane-based Ion Separation Techniques
- Membrane Separation Technologies
- Innovative Energy Harvesting Technologies
- Tribology and Wear Analysis
- Material Properties and Applications
- Thermal Expansion and Ionic Conductivity
Wuhan University
2022-2025
Norsk Hydro (Germany)
2025
Yangtze University
2024
Nanyang Technological University
2009-2022
Leibniz-Institute for New Materials
2019-2020
Wuhan National Laboratory for Optoelectronics
2016-2019
Huazhong University of Science and Technology
2016-2019
Jinan University
2011-2015
China Guangzhou Analysis and Testing Center
2015
University of Jinan
2014
Sodium-ion batteries are a potentially low-cost and safe alternative to the prevailing lithium-ion battery technology. However, it is great challenge achieve fast charging high power density for most sodium-ion electrodes because of sluggish sodiation kinetics. Here we demonstrate high-capacity high-rate anode based on ultrathin layered tin(II) sulfide nanostructures, in which maximized extrinsic pseudocapacitance contribution identified verified by kinetics analysis. The graphene foam...
A low-cost high-performance solid-state flexible asymmetric supercapacitor (ASC) with α-MnO2 nanowires and amorphous Fe2O3 nanotubes grown on carbon fabric is first designed fabricated. The assembled novel ASC device an extended operating voltage window of 1.6 V exhibits excellent performance such as a high energy density 0.55 mWh/cm(3) good rate capability. devices can find numerous applications effective power sources, powering color-switchable sun glasses smart windows.
Although MnO2 is a promising material for supercapacitors (SCs) due to its excellent electrochemical performance and natural abundance, wide application limited by poor electrical conductivity. Inspired our results that the activity conductivity of ZnO nanowires were greatly improved after hydrogenation, we designed fabricated hydrogenated single-crystal ZnO@amorphous ZnO-doped core-shell nanocables (HZM) on carbon cloth as SC electrodes, showing such areal capacitance 138.7 mF/cm(2)...
All-solid-state flexible supercapacitors based on a carbon/MnO2 (C/M) core–shell fiber structure were fabricated with high electrochemical performance such as rate capability scan up to 20 V s–1, volume capacitance of 2.5 F cm–3, and an energy density 2.2 × 10–4 Wh cm–3. By integrating triboelectric generator, could be charged power commercial electronic devices, liquid crystal display or light-emitting-diode, demonstrating feasibility efficient storage component self-powered micro/nanosystems.
Solar-enabled steam generation has attracted increasing interest in recent years because of its potential applications power generation, desalination, and wastewater treatment, among others. Recent studies have reported many strategies for promoting the efficiency by employing absorbers based on carbon materials or plasmonic metal nanoparticles with well-defined pores. In this work, we report that natural wood can be utilized as an ideal solar absorber after a simple flame treatment. With...
Energy storage devices with the smart function of changing color can be obtained by incorporating electrochromic materials into battery or supercapacitor electrodes. In this review, we explain working principles supercapacitors, batteries, and devices. addition, discuss material candidates for energy storages in detail. The challenges integrated system simultaneous realization electrochromism are specially highlighted.
A hybrid energy utilization technology using solar for desalination and extracting electricity from an evaporation induced salinity gradient is presented.
Two metal nitrides, TiN porous layers and Fe2N nanoparticles, are grown uniformly with the assistance of atomic layer deposition on vertically aligned graphene nanosheets used as cathode anode for solid-state supercapacitors, respectively. Full cells constructed show good flexibility, high-rate capability, 98% capacitance retention after 20 000 cycles. As a service to our authors readers, this journal provides supporting information supplied by authors. Such materials peer reviewed may be...
Abstract Thermogalvanic cells offer a cheap, flexible and scalable route for directly converting heat into electricity. However, achieving high output voltage power performance simultaneously from low-grade thermal energy remains challenging. Here, we introduce strong chaotropic cations (guanidinium) highly soluble amide derivatives (urea) aqueous ferri/ferrocyanide ([Fe(CN) 6 ] 4− /[Fe(CN) 3− ) electrolytes to significantly boost their thermopowers. The corresponding Seebeck coefficient...
The practical application of the Zn-metal anode for aqueous batteries is greatly restricted by catastrophic dendrite growth, intricate hydrogen evolution, and parasitic surface passivation. Herein, a polyanionic hydrogel film introduced as protective layer on Zn with assistance silane coupling agent (denoted Zn-SHn). framework zincophilic -SO3- functional groups uniformizes zinc ions flux transport. Furthermore, such chemically bonded possesses an anti-catalysis effect, which effectively...
Converting body heat into electricity is a promising strategy for supplying power to wearable electronics. To avoid the limitations of traditional solid-state thermoelectric materials, such as frangibility and complex fabrication processes, we fabricated two types thermogalvanic gel electrolytes with positive negative thermo-electrochemical Seebeck coefficients, respectively, which correspond n-type p-type elements conventional generator. Such exhibit not only moderate performance but also...
Abstract Multifunctional glass windows that combine energy storage and electrochromism have been obtained by facile thermal evaporation electrodeposition methods. For example, WO 3 films had deposited on fluorine‐doped tin oxide (FTO) exhibited a high specific capacitance of 639.8 F g −1 . Their color changed from transparent to deep blue with an abrupt decrease in optical transmittance 91.3 % 15.1 at wavelength 633 nm when voltage −0.6 V (vs. Ag/AgCl) was applied, demonstrating its...
Ultrahigh rates realized by ALD-made TiN. The symmetric full-cell supercapacitors deliver a typical capacitance of 20.7 F cm−3 at scan rate 1 V s−1, and retain 4.3 high 100 s−1. devices can be charged discharged for 20 000 cycles with negligible loss an ultralow self-discharge current (≈1 μA). Recent prosperity in multifunctional portable electronic facilities has kindled the strong desire to develop miniaturized energy-storage efficiency, long cycle life, low cost.1-4 Supercapacitor is...
Abstract The direct printing of microscale quantum dot light‐emitting diodes (QLEDs) is a cost‐effective alternative to the placement pre‐formed LEDs. quality printed QLEDs currently limited by nonuniformities in droplet formation, wetting, and drying during inkjet printing. Here, optimal ink formulation which can suppress at pixel array levels demonstrated. A solvent mixture used tune ejected size, ensure provoke Marangoni flows that prevent coffee stain rings. Arrays green QLED devices are...
Sustainable electrical potential of tens millivolts can be induced by water vapor adsorption on a piece porous carbon film that has two sides with different functional group contents. Integrated experiments, and Monte Carlo ab initio molecular dynamics simulations reveal the originates from nonhomogeneous distribution groups along film, especially carboxy groups. Sufficient adsorbed molecules in facilitate release protons groups, resulting drop across because concentration difference...
Abstract Water distillation with solar thermal technology could be one of the most promising way to address global freshwater scarcity, its low cost and minimum environmental impacts. However, liquid water productivity, which is caused by heat loss inadequate utilization in solar‐thermal conversion process, hinders practical application. Here, a compact membrane system three structure features: highly localized heating, effective cooling strategy, recycling latent heat, proposed. The steam...
The commercial implementation of aqueous Zn-ion batteries is being impeded by the rampant dendrite growth and exacerbated side reactions on Zn metal anodes. Herein, a 60 nm artificial protective layer with spatial dielectric–metallic gradient composition (denoted as GZH) developed via HfO2 cosputtering. In this design, top high permittivity low electronic conductivity effectively suppresses hydrogen evolution. intermediate Zn-rich oxide region promotes dendrite-free deposition reinforces...
Rechargeable aqueous Zn-I2 batteries (ZIB) are regarded as a promising energy storage candidate. However, soluble polyiodide shuttling and rampant Zn dendrite growth hamper its commercial implementation. Herein, hetero-polyionic hydrogel is designed the electrolyte for ZIBs. On cathode side, iodophilic polycationic (PCH) effectively alleviates shuttle effect facilitates redox kinetics of iodine species. Meanwhile, polyanionic (PAH) toward metal anode uniformizes Zn2+ flux prevents surface...
Abstract Elevating the charge voltage of LiCoO 2 increases energy density batteries, which is highly enticing in storage implementation ranging from portable electronics to e‐vehicles. However, hybrid redox reactions at high voltages facilitate oxygen evolution, electrolyte decomposition and irreversible phase change, accordingly lead rapid battery capacity decay. Here significantly improved high‐voltage cycling stability Mg‐Al‐Eu co‐doped demonstrated. It found that element co‐doping...
Abstract Zinc–iodine batteries have the potential to offer high energy‐density aqueous energy storage, but their lifetime is limited by rampant dendrite growth and concurrent parasite side reactions on Zn anode, as well shuttling of polyiodides. Herein, a cation‐conduction dominated hydrogel electrolyte designed holistically enhance stability both zinc anode iodine cathode. In this electrolyte, anions are covalently anchored chains, major mobile ions in restricted be 2+ . Specifically, such...