Results 81 to 90 of about 307,162 (347)

Amorphous Thermal Spray Coating with Hard Materials Exhibiting Cleavage Fracture

open access: yesTribology Online, 2015
Hard materials were mixed with alloy powders and thermally sprayed at an ultra rapid cooling rate of more than 106°C/s. For example, 65Ni15Cr16P4B at% alloy powder containing tungsten carbide was thermally sprayed.
Toshiharu Morimoto   +3 more
doaj   +1 more source

Transition Metal Compounds for Aqueous Ammonium‐Ion Batteries: Storage Mechanisms and Electrode Design

open access: yesAdvanced Science, EarlyView.
Aqueous ammonium‐ion batteries leverage hydrogen‐bond‐mediated NH4+ storage in tunable transition metal compounds. Despite progress in Mn‐, V‐, Mo‐, and W‐based compounds, 2D LDHs, and MXenes, challenges like structural instability and slow kinetics persist. Future advances require robust host design, mechanistic understanding via operando studies, and
Can Li   +6 more
wiley   +1 more source

Aqueous Zinc‐Based Batteries: Active Materials, Device Design, and Future Perspectives

open access: yesAdvanced Energy Materials, EarlyView.
This review conducts a comprehensive analysis of aqueous zinc‐based batteries (AZBs) based on their intrinsic mechanisms, including redox reactions, ion intercalation reactions, alloying reactions, electrochemical double‐layer reactions, and mixed mechanisms, systematically discussing recent advancements in each type of AZBs.
Yan Ran, Fang Dong, Shuhui Sun, Yong Lei
wiley   +1 more source

Optimizing potassium polysulfides for high performance potassium-sulfur batteries

open access: yesNature Communications
Potassium-sulfur batteries attract tremendous attention as high-energy and low-cost energy storage system, but achieving high utilization and long-term cycling of sulfur remains challenging.
Wanqing Song   +8 more
doaj   +1 more source

Advancing Direct Alcohol Fuel Cells: Innovations in Composite‐Based Electrocatalysts and Polymer Support Materials for Enhanced Efficiency

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This graphical abstract emphasizes the working principle and the various essential factors of the direct methanol fuel cell (DMFCs). Additionally, various parameters, such as the nanoparticle's size and shape, the nature of the electrolyte, the type of support materials, and their fabrication process, also play essential roles in the functioning of the
Kirti Mishra   +3 more
wiley   +1 more source

Assessment of Wear rate and Coefficient of Friction of Al6262 WC/MoS2 under wet sliding condition [PDF]

open access: yesMATEC Web of Conferences
The present paper aims at the results of an experimental examination of hybrid metal matrix composites using stir-casting technique.Aluminum alloy (Al 6062) samples reinforced with Tungsten Carbide (WC) and Molydedneum diSulphide are given. 2wt.% , 4wt.%,
Hemadri Kadapa   +3 more
doaj   +1 more source

2D Nanomaterials for Solar Hydrogen Production

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
This review gives comprehensively summarized latest advances on solar H2 production by various 2D nanomaterials using photocatalytic and photoelectrocatalytic H2 production methods, especially highlighting the photocatalytic one. After the summary, an outlook into the challenges and the future of 2D nanomaterials for solar H2 production is given.
Pengfei Cheng   +5 more
wiley   +1 more source

The Influence of the Machining Drill and Direction of Rotation on the Surfaces of Ti6Al4V Dental Implants Subjected to Implantoplasty

open access: yesJournal of Functional Biomaterials
Implantoplasty is widely used to treat peri-implantitis by removing biofilms from Ti6Al4V dental implants using rotating drills. This study examined the effects of diamond and tungsten carbide drills, and rotation direction (clockwise/counterclockwise ...
Esteban Padullés-Gaspar   +6 more
doaj   +1 more source

FEATURES OF THE MICROSTRUCTURE OF COMPOSITE CERMET COATINGS FORMED BY CARBO-VIBROARC HARDENING USING MULTICOMPONENT PASTES CONTAINING TUNGSTEN CARBIDE

open access: diamond, 2023
N. V. Titov   +3 more
openalex   +1 more source

Eco‐Efficient Processing and Refining Routes for Secondary Raw Materials from Silicon Ingot and Wafer Manufacturing

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
The ICARUS project developed pilot‐scale processes to recover and refine secondary raw materials from silicon photovoltaic (PV) ingot and wafer manufacturing waste. Silicon kerf, graphite, and silica residues are purified into high‐value inputs for the PV value chain and beyond.
Martin Bellmann   +18 more
wiley   +1 more source

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