Results 91 to 100 of about 11,457 (241)

Micro/nanorobots for detecting and eliminating biological and chemical warfare agents

BMEMat, EarlyView.
Fuel‐powered and field‐driven micro/nanorobots provide a cutting‐edge platform to safeguard national security and defense. This review reports the latest research progress in micro/nanorobots in sensing and detoxifying biological and chemical warfare agents.
Song Li, Huaijuan Zhou, Di Shi, Zdeněk Sofer, Jinhua Li   +4 more
wiley   +1 more source

Preparation of Fibrous Three-Dimensional Porous Materials and Their Research Progress in the Field of Stealth Protection

Nanomaterials
Intelligent and diversified development of modern detection technology greatly affects the battlefield survivability of military targets, especially infrared, acoustic wave, and radar detection expose targets by capturing their unavoidable infrared ...
Peng Zhang, Shuang Zhao, Guobing Chen, Kunfeng Li, Jun Chen, Zhen Zhang, Feiyue Yang, Zichun Yang   +7 more
doaj   +1 more source

Harnessing Carbon‐Containing Materials for Next‐Generation High‐Temperature Electromagnetic Wave Absorbers

Carbon Energy, EarlyView.
Traditional carbon materials show limited high‐temperature oxidation resistance, which becomes pronounced above 673 K and significantly restricts their practical applicability. To address this challenge, enhancing polarization loss and leveraging its negative temperature dependence to offset the temperature‐induced increase in conductance loss are ...
Yang Li, Yuchang Qing, Wei Li, Chao Ma, Zhongyi Bai, Gang Shao, Hailong Wang, Ming Huang, Xianhu Liu, Bingbing Fan   +9 more
wiley   +1 more source

Flexible Chromatic VIS‐IR Meta‐Textile for Multi‐Scenario Stealth

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A flexible chromatic meta‐textile was developed for multi‐spectral stealth across VIS‐IR bands, combining low color difference, ultralow infrared emissivity, and passive radiative cooling. The textile exhibits excellent VIS wide‐angle compatibility, optical durability, and mechanical flexibility, offering a promising solution for advanced stealth ...
Jian Wang, Chong Wang, Xiaoyu Sun, Fangyuan Yu, Zuoxu Wu, Xiaofang Li, Jun Mao, Qian Zhang, Feng Cao   +8 more
wiley   +1 more source

Bio‐Inspired Ordered WO3 Nano‐Helixes Enable Multi‐Band Electrochromic Smart Windows with Ultrafast Switching and Robust Cyclability

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Biomimetic ordered nano‐helix WO3 films enable multi‐band electrochromic photothermal management across the visible, near‐infrared, mid‐ and long‐wave infrared spectra, with ultrafast switching (<3 s) and robust durability (>10 000 cycles). These findings establish new paradigms for next‐generation photothermal management systems and energy‐efficient ...
Pan Li, Ying Lv, Xin You, Hangyu Ma, Tienan Wang, Yue Shen, Xiaotian Li, Xiaoyang Guo, Guofa Cai, Xingyuan Liu   +9 more
wiley   +1 more source

Flame‐Retardant Bio‐Based Thermo‐Flexible Phase‐Change Composites with Antivibration and Low‐Contact Resistance for Advanced Battery Thermal Management

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Flame‐retardant bio‐based thermo‐flexible phase‐change composites for advanced battery thermal management. Batteries face critical challenges in thermal management, including overheating risks, poor interfacial contact, and mechanical vibration–induced performance attenuation.
Shichao Feng, Shuofan Yue, Jiapeng Wei, Dong Zhang, Yajie Gui, Ruijuan Wang, Dongying Hu, Fangchao Cheng   +7 more
wiley   +1 more source

Regulating the Dielectric Behavior of Conductive Polymers Through Vapor Phase Infiltration for Tunable Microwave Absorption

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Vapor phase infiltration (VPI) enables atomic‐level dielectric regulation in conductive polymer foams. The VPI‐treated foam exhibits enhanced absorption efficiency per unit thickness (~2.6 times), dynamic frequency tunability (94.5% coverage in 2–18 GHz), and on/off switching ability while retaining performance under acid/alkali exposure and repeated ...
Pengpeng Mou, Jinchuan Zhao, Xiao Liu, Lihong Wu, Xin Li, Gengping Wan, Guizhen Wang   +6 more
wiley   +1 more source

Infrared emissivity properties of infrared stealth coatings prepared by water-based technologies

Optical Materials Express, 2016
The infrared stealth coatings were prepared using water-based techniques composed of aluminum powder with different particles sizes (325 mesh, 500 mesh, 800 mesh, 1000 mesh, 1200 mesh, 1500 mesh) embedded in different matrix resins (acrylic resin, epoxy resin and polyurethane resin). The relationship between the type and the viscosity of resins and the
Zhao Hui Liu, Guo Dong Ban, Sheng Tian Ye, Wen Yan Liu, Na Liu, Rui Tao   +5 more
openaire   +1 more source

Sustainable Upcycling of Office Waste Paper Into Cobalt/Carbon Aerogels for Highly Efficient Microwave Absorption

Electron, EarlyView.
Co/C aerogels (Co/CAs) are successfully fabricated with office waste paper (OWP) as the raw material by loading ZIF‐67 crystals. The optimal sample exhibited an effective absorption bandwidth of 5.6 GHz, which outperforms many biomass‐derived microwave absorbing materials.
Yan Wang, Lixue Gai, Xingyi He, Xijiang Han, Yongzheng Chen, Yunchen Du   +5 more
wiley   +1 more source

A two-dimensional thin film structure with spectral selective emission capability suitable for high-temperature environments

Case Studies in Thermal Engineering
Spectral selective emission materials, characterized by their high emission efficiency within specific wavelength ranges, play a crucial role in various fields such as infrared stealth and radiative cooling. In this study, leveraging the tunneling effect
Xinkai Li, Yufang Liu, Kun Yu, Mengdan Qian   +3 more
doaj   +1 more source