Results 1 to 10 of about 15,318,909 (286)

Superelastic High-Entropy Oxide Ceramic Aerogels for Thermal Superinsulation and Sealing at Extreme Conditions. [PDF]

Adv Sci (Weinh)
The lightweight ceramic aerogels are plagued by thermal instability and mechanical degeneration at extreme conditions. In this study, a high‐entropy oxide ceramic of (Gd1/2Lu1/2)2(Ti1/3Zr1/3Hf1/3)2O7 (GLTZH) is prepared through a molecular synthesis ...
Jiang X, Du T, Fan H, Liu J, Su Y, He P, Chen H, Hu L, Zhang Y, Zhang Q.   +9 more
europepmc   +3 more sources

Superior energy storage performance via engineering crossover region with competing orders in high-entropy multilayer capacitors. [PDF]

Nat Commun
As promising candidates for next-generation energy storage devices in electrical and electronic systems, lead-free multilayer ceramic capacitors face increasingly high performance requirements.
Deng T, Xie J, Liu Z, He L, Hong Z, Peng H, Wang D, Milesi-Brault C, Lu T, Chen Y, Lin Z, Hu W, Dkhil B, Liu Y, Wang G, Chu J.   +15 more
europepmc   +2 more sources

Unraveling the Synergistic Activity-Stability Enhancement of a High-Entropy Perovskite Air Electrode for Dual Ceramic Electrochemical Cells. [PDF]

Adv Sci (Weinh)
Regulating the activity and stability of high‐entropy perovskite air electrodes is essential for their application in ceramic electrochemical cells, yet the underlying mechanisms remain unclear.
Zhang Y, Wang Y, Liu Z, Hu K, Wang Y, Wang Z, Wang X, Niu B, Wang W, He T.   +9 more
europepmc   +2 more sources

Superelastic ceramic aerogels up to 2200 °C. [PDF]

Nat Commun
Ceramic aerogels hold great promise for thermal insulation, yet their elasticity and operating temperature fall short for extreme applications. Here, we design an entropy-stabilized amorphous-crystalline hybrid structure and develop (Hf, Zr, Ta, Nb, Ti)C
Zhao S, Qin Y, Liu Y, Zhuang L, Yu H, Chu Y.   +5 more
europepmc   +2 more sources

Entropy-Modulated Oxide-Metal Catalyst Architectures for Direct Ammonia Protonic Ceramic Fuel Cells. [PDF]

Nanomicro Lett
Highlights Entropy-modulated oxide–metal catalyst exsolving Ni–Fe–Cu alloy nanoparticles from a high-entropy perovskite matrix enables efficient and durable ammonia decomposition.
Kim D, Park DJ, Jeong I, Oh S, Kim H, Lee M, Lee SW, Lee K, Chung D, Roh KM, Bae J, Shin TH, Lee KT.   +12 more
europepmc   +2 more sources

Research Progress of High-Entropy Ceramic Materials [PDF]

Cailiao Baohu, 2023
The concept of high-entropy alloy not only greatly enriches the metal material system，but also breaks the design routine of traditional ceramic material.In recent years，people are gradually extending the design concept of multi-principal and high-entropy
YAN Dengyi, XU Wenju, JI Li, LIU Xiaohong, WANG Chengshuo, SUN Chufeng, LI Hongxuan
doaj   +1 more source

Polymer-Derived Ceramics Technology: Characteristics, Procedure, Product Structures, and Properties, and Development of the Technology in High-Entropy Ceramics

Crystals, 2022
Ceramics have become indispensable materials for a wide range of industrial applications due to their excellent properties. However, the traditional preparation of ceramic materials is often time-consuming and involves high sintering temperatures.
Jiabei He, Mengshan Song, Kaiyun Chen, Dongxiao Kan, Miaomiao Zhu   +4 more
doaj   +1 more source

Effect of SiC on Microstructure, Phase Evolution, and Mechanical Properties of Spark-Plasma-Sintered High-Entropy Ceramic Composite

Ceramics, 2020
Ultra-high temperature ceramic composites have been widely investigated due to their improved sinterability and superior mechanical properties compared to monolithic ceramics. In this work, high-entropy boron-carbide ceramic/SiC composites with different
Hanzhu Zhang, Farid Akhtar
doaj   +1 more source

New class of high-entropy pseudobrookite titanate with excellent thermal stability, low thermal expansion coefficient, and low thermal conductivity

Journal of Advanced Ceramics, 2022
As a type of titanate, the pseudobrookite (MTi2O5/M2TiO5) exhibits a low thermal expansion coefficient and thermal conductivity, as well as excellent dielectric and solar spectrum absorption properties.
Jinyu Wu, Xiaohui Ma, Xiaoxia Hu, Liwen Yan, Feng Hou, Jiachen Liu, Anran Guo   +6 more
doaj   +1 more source

Research progress in potential high-entropy ceramic thermal barrier coating materials

Cailiao gongcheng, 2023
Thermal barrier coating (TBC) materials are an important method to provide thermal protection and prolong service life for aero-engines and gas turbines.
LAI Liping, WANG Jun, CHONG Xiaoyu, LU Nan, ZHANG Zhibin, LIANG Xiubing, FENG Jing   +6 more
doaj   +1 more source