Results 71 to 80 of about 2,122 (178)

From Materials to Systems: Challenges and Solutions for Fast‐Charge/Discharge Na‐Ion Batteries

Advanced Energy Materials, EarlyView.
This review systematically analyzes the key characteristics limiting the fast‐charge/discharge capability of Na‐ion batteries (SIBs) from a multi‐scale perspective encompassing electrode materials, the electrode‐electrolyte interface, and the system. Furthermore, it presents practical solution strategies for the fundamental issues arising at each scale,
Bonyoung Ku, Sangbin Park, Sunha Hwang, Sunghyun Lim, Won‐Sub Yoon, Jongsoon Kim   +5 more
wiley   +1 more source

The Progress of Orbitronics: The Enhancement of Orbital Torque Efficiency

Advanced Physics Research, EarlyView.
Orbit‐torque (OT) devices attract significant attention for their low‐power consumption and high stability in applications. This review systematically outlines strategies for enhancing OT efficiency. We categorize approaches into boosting orbital currents/torques and improving the orbital‐to‐spin conversion coefficient.
Pengfei Liu, Tianci Tong, Delin Zhang, Tian Wang, Xinze Li, Ping Wang, Yong Jiang   +6 more
wiley   +1 more source

Plasticity and strength of an equiatomic and a non-equiatomic HfNbTaTiZr high entropy alloy during uniaxial loading : a molecular dynamics simulation study

Materials Research Express
Understanding plasticity and strength of high entropy alloys of HfNbTaTiZr is extremely significant in building nuclear reactors, gas turbines, aerospace devices etc.
Puja Bordoloi, Manash Protim Hazarika, Ajay Tripathi, Somendra Nath Chakraborty   +3 more
doaj   +1 more source

Hydrothermal Geochemistry and Mineralizing Processes in the T Zone, Thor Lake Rare-element Deposit, Northwest Territories [PDF]

, 2014
The Thor Lake rare-metal (Y-REE-Nb-Ta-Zr-Be) deposit, located about 100 kilometers southeast of Yellowknife, Northwest Territories, Canada, is regarded as one of the largest high field strength elements (HFSE, including Nb, Ta, Zr, Hf, Ti, Y, and the ...
Feng, Yonggang
core   +1 more source

Toward personalized healthcare: Advances in two‐dimensional nanomaterial‐based flexible electrochemical sensors for physiological monitoring

BMEMat, EarlyView.
This review provides an overview of the properties, composites and application of two‐dimensional (2D) nanomaterials for wearable electrochemical biosensors. Also, the challenges and future prospects of utilizing 2D nanomaterials in wearable electrochemical biosensor applications are discussed.
Kou Zhang, Lu Han, He‐Qing Cai, Xin‐Yu Xue, Yi‐Fei Song, Wu‐Lin Xin, Ying‐Ze Wang, Peng Liu, Juan Liu   +8 more
wiley   +1 more source

(NH4)2[Tc2O2(S2O7)4]: An Unexpected Technetium(V)‐Sulfate From the Reaction of (NH4)(TcO4) With SO3

Chemistry – A European Journal, EarlyView.
The reaction of the radioactive pertechnetate (99TcO4)− with the oxidizer SO3 leads to blue crystals of (NH4)2[Tc2O2(S2O7)4]. The complex dimeric [Tc2O2(S2O7)4]2− anion exhibits the technetium in the oxidation state V, showing that reduction occurs during the reaction.
Stefan Sutorius, Julian Heinen, David van Gerven, Jörn Bruns, Erik Strub, Mathias S. Wickleder   +5 more
wiley   +1 more source

Caracterização Eletroquímica das Ligas Ni62Nb38 e Ni59.24Nb37.76B3.00 Com Estruturas Amorfas e Cristalinas [PDF]

Nickel-based alloys are widely used in industry due to their remarkable corrosion resistance. Currently, most of these alloys are processed with crystalline structure.
Aliaga, Luis César Rodríguez, Bastos, Ivan Napoleão, Carvalho, Marcos Paulo Moura de, Costa, Emandro Vieira da, Cruz, Daniel Magalhães da, Silva, Marcelo Lemos da   +5 more
core   +1 more source

Approaching Sixfold Chemical Bonding: Metal Dimers MM' Involving Group 4–8 Transition Metals and the Actinides Th–Np. Additive Covalent Radii r6$r_6$

Chemistry – A European Journal, EarlyView.
Twelve‐valence‐electron transition metal dimers MM', like diatomic Mo2, can have nearly sixfold bonds. Values of r6$r_6$ for over 20 elements from Sc to Pu are proposed. ABSTRACT A set of additive covalent radii is fitted to a combination of experimental data, accurate ab initio computations, and more approximate DFT MM' bond lengths, R$R$, with 12 ...
Pekka Pyykkö, Michiko Atsumi
wiley   +1 more source

Cobalt‐Free Single‐Crystal Cathodes for Next‐Generation Lithium‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Cobalt‐free single‐crystal cathodes enhance lithium‐ion battery stability by mitigating fracture, degradation, and phase transitions. This review highlights Ni‐rich layered, Li‐Mn‐rich, spinel, and olivine frameworks, synthesis strategies enabling morphology and defect control, and structural tuning via doping and coatings, offering pathways toward ...
Srinivasan Alagar, Rakesh Saroha, Jun Kim, Hyung Do Kim, Jung Sang Cho, Sang Mun Jeong   +5 more
wiley   +1 more source

AI‐Driven Precision Annealing for High Performance Fe‐Based Amorphous Alloys

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The four stages of the research process are as follows: First, data is collected and a database is constructed. This is followed by feature selection and analysis, then the establishment of machine learning models, and finally formulation design and preparation.
Yichuan Tang, Shaopeng Liu, Silong Li, Ruonan Ma, Peinan Li, Zheng Wang, Kun Wang, Kaiyan Cao, Sidan Ding, Chao Zhou, Fanghua Tian, Sen Yang, Minxia Fang, Yin Zhang   +13 more
wiley   +1 more source