A5101566002- Urban Heat Island Mitigation
- Ferroelectric and Piezoelectric Materials
- Thermal Radiation and Cooling Technologies
- Advanced Sensor and Energy Harvesting Materials
- Multiferroics and related materials
- Dielectric materials and actuators
- Acoustic Wave Phenomena Research
- Conducting polymers and applications
- Acoustic Wave Resonator Technologies
- Ultrasonics and Acoustic Wave Propagation
- Advanced ceramic materials synthesis
- Laser-induced spectroscopy and plasma
- Rock Mechanics and Modeling
- Laser Design and Applications
- Graphene research and applications
- Carbon Nanotubes in Composites
- Structural Load-Bearing Analysis
- Microwave Dielectric Ceramics Synthesis
- Iron oxide chemistry and applications
- Advanced Thermoelectric Materials and Devices
- Advanced Thermodynamics and Statistical Mechanics
- Atomic and Molecular Physics
- Structural Engineering and Vibration Analysis
- Climate change and permafrost
- Diamond and Carbon-based Materials Research
Zhengzhou University
2025
Nankai University
2013-2024
Chang'an University
2024
Hebei University of Technology
2024
Guangxi University
2024
Zhongyuan University of Technology
2023-2024
Henan University of Urban Construction
2023-2024
Harbin Institute of Technology
2024
Hunan University
2023
China University of Mining and Technology
2022
Subambient daytime radiative cooling (SDRC) provides a promising electricity- and cryogen-free pathway for global energy-efficiency. However, current SDRC systems require stringent surface designs, which are neither cost-effective nor eco-friendly, to selectively emit thermal radiation outer space simultaneously maximize solar reflectance. Here, generic method is developed upgrade the conventional building-coating materials with peculiar self-adaptive effect through combining particle...
Abstract Reducing needs for heating and cooling from fossil energy is one of the biggest challenges, which demand accounts almost half global consumption, consequently resulting in complicated climatic environmental issues. Herein, we demonstrate a high-performance, intelligently auto-switched zero-energy dual-mode radiative thermal management device. By perceiving temperature to spontaneously modulate electromagnetic characteristics itself, device achieves ~859.8 W m −2 average power (∼91%...
Daytime subambient radiative cooling provides a powerful strategy for realizing sustainable thermal management without any external energy consumption. However, in practical situations dazzling white or silver appearance is undesirable aesthetic and functional reasons. Therefore, developing colored materials greatly significant more potential applications but remains big challenge so far. Here, we reported flexible cooler based on interferometric retroreflection-induced structural color,...
We report on the observation of an orthorhombic ferroelectric phase in 0.67Pb(Mg1/3Nb2/3)O3–0.33PbTiO3 single crystals, whose polarization is along 〈011〉 direction and stability can be altered by poling conditions. studied piezoelectric properties poled both monodomain polydomain states, found that d32 coefficient, which response perpendicular to direction, positive cases. Based phenomenological theory, we show this possible a crystal with electrostrictive coefficients Q11>Q44–Q12.
Skin-mountable physical sensors that can individually detect mechanical deformations with high strain sensitivity within a broad working range and temperature variations accurate resolution are sought-after technology. Herein, stretchable dual-parameter sensor precisely distinguish from stimuli without crosstalk is developed, based on printable titanium carbide (MXene)-silver nanowire (AgNW)-PEDOT:PSS-tellurium (TeNW) nanocomposite. With this sensor, effectively transduced into electrically...
Thermoelectric (TE) technology provides a new way to directly harvest and convert the heat continuously released from human body. The greatest challenge for TE materials applied in wearable generators is compatible with constantly changing morphology of body while offering continuous stable power output. Here, stretchable carboxylic single-walled carbon nanotube (SWNT)-based fiber prepared by an improved wet-spinning method. Seebeck coefficient annealed SWNT-based 44 μV/K even under tensile...
Radiative thermal management provides a zero-energy strategy to reduce the demands of fossil energy for active management. However, whether solar heating or radiative cooling, one-way temperature control will exacerbate all-season consumption during hot summers cold winters. Inspired by Himalayan rabbit's hair and Mimosa pudica's leaves, we proposed dual-mode thermal-management device with two differently selective electromagnetic spectrums. The combination visible infrared "thermochromism"...
More than 55% of electronic failures are caused by damage from localized overheating. Up to now, there is still no efficient method for targeted temperature control against Although some existing thermal management devices handle this issue full coverage cooling, it generates a lot useless energy consumption. Here, highly pixel-matrix electrocaloric (EC) cooling device reported, which can realize and differential management. The modified poly(vinylidene...
Thermal management textiles provide an energy-efficient strategy for personal thermal comfort by regulating heat flow between the human body and environment. However, with a single heating or cooling mode cannot realize temperature regulation under dynamic weather. Furthermore, monocolor do not satisfy aesthetic requirements in garment. Here, we develop thermochromic (TC) conductive fiber coaxial structure composed of core shell. The TC fiber-woven fabric has ability low-energy combining...
Radiative cooling, as a renewable cooling technology, is expected to mitigate growing global warming. However, the barrier when promoting radiative from laboratory practice still blind spot and needs be discussed right now. Here, on basis of review for brief history, we propose developing thread that studies arise in turn serves at end. This perspective orderly elaborates fundamental limit theory, realization spectral-selective materials, criteria performance, challenges corresponding...
Abstract Microwave (MW) remote sensing has the potential to obtain all‐weather land surface temperature (LST) and serves as a complement thermal‐infrared (TIR) LST under cloudy sky conditions. However, accuracy of MW is generally lower than that TIR LST, making retrieval highly accurate challenging task. We propose an empirical algorithm for retrieving from Advanced Scanning Radiometer (AMSR‐E) brightness (BT) data. First, we constructed comprehensive classification system environmental...
Abstract Compact solid‐state refrigeration systems that offer a high specific cooling power and coefficient of performance (COP) are desirable in wide range applications where efficient localized heat transfer is required. Here, double‐unit electrocaloric (EC) polymer‐based device with intrinsic thermodynamic efficiency demonstrated using flexible EC polymer film improved by doping plasticizer an electrostatic actuation mechanism. The achieves large temperature span 4.8 K, which 71% higher...
Room‐temperature switchable dielectric materials are of interest for many applications, including solar energy storage, smart switches, automatic filters, and next‐generation sensors. Here, a temperature‐triggered nanocomposite by dispersing octadecylamine‐grafted multiwalled carbon nanotubes (ODA‐MWCNTs, short) into hexadecane is reported. The composite has low permittivity at molten state high frozen state, the switch triggered around 18 °C. highest contrast ratio reaches 106.4 2.0% CNT...
Land surface temperature (LST) is an important parameter for measuring the water-heat balance on Earth's surface. Remote sensing technology provides a unique way to monitor LSTs over large spatial areas. Thermal infrared (TIR)-derived LST has high resolution and accuracy, but missing values caused by clouds hinder applications of this method. Passive microwave radiation can penetrate clouds, data have relatively lower accuracy. The Bayesian maximum entropy (BME) method was used blending...
Parthenolide showed extensive bioactivities including selective eradication of AML stem cells. Herein we report protection-free semisyntheses parthenolide and its cyclopropyl analogue (compound 10) from the abundant natural product costunolide with an overall yield 55 60%, respectively. Compound 10 was more stable than parthenolide, it maintained comparable activities against cell lines Therefore, compound might be a superior small molecule as tool for investigation cancer biology.
The use of explosives is restricted on some important holidays, and the handling unexploded charge very dangerous. Therefore, an innovative non-explosive technology called instantaneous expansion (IE) was developed for tunneling. IE, whose components are derived from solid wastes such as coal gangue straw conduces to realizing reuse waste. Moreover, its cost lower than explosives. Blind guns IE easy treat with water. tunneling method classified into two categories, i.e. a single fracture...