Results 81 to 90 of about 814,315 (295)

Enhancing Near‐Room‐Temperature Thermoelectric Performance of n‐Type Mg3(Sb, Bi)2‐Based Materials via ZrB2 Heterointerface Engineering

Advanced Science, EarlyView.
A conductive ZrB2 ceramic composite strategy was developed for Mg3(Sb, Bi)2 thermoelectrics to regulate carrier transport and phonon scattering through heterointerface engineering. The 1.0 wt.% ZrB2 composite achieved enhanced room‐temperature performance, with a power factor of 28.51 µW cm−1 K−2 and a peak ZT of 1.22 at 573 K.
Yangyang Xu, Li Zhang, Meng Li, Jie Zhang, Nan‐Hai Li, Yan‐Ling Yang, Xiao‐Lei Shi, Zhi‐Gang Chen   +7 more
wiley   +1 more source

Electrocatalytic CO2 Reduction over Sn‐Cu Bimetallic Catalysts Synthesized via an Amalgamated Lithium Metal Method

Advanced Science, EarlyView.
An amalgamated lithium metal method enables systematic control of Sn–Cu active‐site dimensions from isolated atoms to nanocrystallites. Increasing the metal loading shifts CO2 electroreduction selectivity from acetaldehyde on highly dispersed Sn–Cu sites to formate on Sn‐rich crystallites, revealing how bimetallic dispersion and local coordination ...
Minghao Xie, Shichen Guo, Jianxin Wang, Haozhe Zhang, Xun Zhan, Lauren Valentino, Di‐Jia Liu   +6 more
wiley   +1 more source

Enhancements in Hydrogen Storage Properties of Magnesium Hydride Supported by Carbon Fiber: Effect of C–H Interactions

Inorganics
Carbon-based materials with excellent catalytic activity provide new ideas for the development of magnesium-based hydrogen storage. C-H bonding interactions may play a key role in performance improvement.
Quan Yang, Xiansong Jia, Zhikang Qin, Xiaoli Ding, Yongtao Li   +4 more
doaj   +1 more source

Topology‐Enabled Finite‐Band Absorption Framework Based on a Bioinspired Nested Dual‐Loop Architecture

Advanced Science, EarlyView.
A nuclear‐pore‐inspired nested dual‐loop architecture redistributes electromagnetic energy through coupled transport, confinement, and dissipation pathways. Integrated with Co/Fe3O4 dual‐magnetic composites and topology optimization, the 11‐mm‐thick absorber delivers continuous 2–40 GHz attenuation, raises finite‐band structural utilization to 82%, and
Shaokang Liu, Weicheng Liao, Pinchen Luo, Mengchen Jin, Tangming Yan, Xing Zhao, Qingshan Wang   +6 more
wiley   +1 more source

CNTs Modified and Enhanced Cu Matrix Composites

Cailiao gongcheng, 2016
The composite powders of 2%-CNTs were prepared by wet ball milling and hydrogen annealing treatment-cold pressing sintering was used to consolidate the ball milled composite powders with different modifications of the CNTs.
ZHANG Wen-zhong, CAI Xiao-lan, ZHOU Lei, WANG Zi-yang   +3 more
doaj   +1 more source

Reaction-Ball-Milling-Driven Surface Coating Strategy to Suppress Pulverization of Microparticle Si Anodes

, 2018
In this work, we report a novel reaction-ball-milling surface coating strategy to suppress the pulverization of microparticle Si anodes upon lithiation/delithiation. By energetically milling the partially prelithiated microparticle Si in a CO2 atmosphere,
Xiaolei Qu (1414567), Yongfeng Liu (413340), Mingxia Gao (1290741), Yaxiong Yang (2863277), Hongge Pan (1290732), Lingchao Zhang (4479994)   +5 more
core   +1 more source

Analysis of discrete time schemes for milling forces control under fractional order holds [PDF]

, 2013
In this paper, discrete time model reference control schemes for practical milling using different discretization of the continuous-time plant are presented. First, a basic controller scheme is addressed where a fractional order hold with pre-fixed value
De la Sen, Manuel, Longstaff, Andrew P., De la Sen Parte, Manuel, Alan Myers, Luis Rubio, Longstaff, Andrew, Rubio, Luis, Rubio Rodriguez, Luis, Manuel De la Sen, Andrew Peter Longstaff, Longstaff, Andrew Peter, Myers, Alan   +11 more
core   +1 more source

Additive Manufacturing of High‐Performance Polymers for Extreme Environments

Advanced Science, EarlyView.
Additive manufacturing of high‐performance polymers for extreme environments is critically reviewed through an integrated chemistry‐processing‐structure‐property‐qualification framework. The review compares fused filament fabrication, selective laser sintering, and direct ink writing, linking rheology and thermal history to crystallization, defect ...
Md Tofazzal Hossain, Mohammed Intishar Nur, Md Shajedul Hoque Thakur, Indranil Dey, Md Mesbahul Maruf, Md Jahid Hasan, Suryasarathi Bose, Muhammad M. Rahman   +7 more
wiley   +1 more source

Thermochemical Core–Shell Architecturing of Si‐SWCNT Composites for High‐Performance Li‐Ion Battery Anodes

Advanced Science, EarlyView.
A thermochemically engineered core–shell Si architecture is developed through the controlled evolution of a SWCNT‐coated Mg2Si precursor. The process simultaneously generates a nanoporous Si shell for strain accommodation and Li+ transport, a chemically anchored SiC interfacial layer for robust mechanical and electrical coupling, and a Mg‐containing Si
Dong Gyun Hong, Byeong Guk Kim, Jung‐Hyeok Park, Sunwoo Lee, Donghwi Cho, Jaeik Hyun, Ki‐Hun Nam, Youngoh Kim, Geon‐Woong Lee, Sunhye Yang, Seung Yol Jeong, Myungwoo Choi   +11 more
wiley   +1 more source

A tribological investigation of water-based nanolubricants prepared by mechanically synthesised hBN/TiO2 nanocomposites

Nano Express
Environmentally friendly synthesis techniques have gained increasing attention as viable methodologies for preparing nanocomposite. In particular, ball milling has emerged as a green and cost-effective method that ensures the control of size, shape and ...
Afshana Morshed, Fei Lin, Hui Wu, Zhao Xing, Sihai Jiao, Zhengyi Jiang   +5 more
doaj   +1 more source