Results 81 to 90 of about 57,794 (339)

Carbon Anode in Carbon History [PDF]

open access: yesMolecules, 2020
This study examines how the several major industries, associated with a carbon artifact production, essentially belong to one, closely knit family. The common parents are the geological fossils called petroleum and coal. The study also reviews the major developments in carbon nanotechnology and electrocatalysis over the last 30 years or so.
openaire   +3 more sources

Aging concrete structures: a review of mechanics and concepts [PDF]

open access: yes, 2018
The safe and cost-efficient management of our built infrastructure is a challenging task considering the expected service life of at least 50 years. In spite of time-dependent changes in material properties, deterioration processes and changing demand by
Wan-Wendner, Roman
core   +2 more sources

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

The Direct Carbonation Behavior of Steel Slag with CO2-Containing Water Vapor

open access: yesMetals
Steel slag, which is the industrial waste produced by the steel-making process, contains more than 4% unstable free calcium oxide, which limits its applications.
Yuewen Fan, Wanting Liang, Xiaojun Hu
doaj   +1 more source

Proposed Methodology to Evaluate CO2 Capture Using Construction and DemolitionWaste [PDF]

open access: yes, 2019
Since the Industrial Revolution, levels of CO2 in the atmosphere have been constantly growing, producing an increase in the average global temperature. One of the options for Carbon Capture and Storage is mineral carbonation.
Aparicio Fernández, Patricia   +2 more
core   +1 more source

Curved Nanographene–Graphite Hybrid Anodes with Sequential Li+ Insertion for Fast‐Charging and Long‐Life Li‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A hybrid anode composed of Cl‐functionalized curved nanographene and graphite enables ultra‐fast charging and long cycle life through an engineered morphology and sequential Li+ insertion. It delivers 100 mAh g−1 at 5 C with 70% capacity retention after 1000 cycles and maintains stable performance over 2000 cycles in pouch cells, providing a practical ...
Hyunji Cha   +8 more
wiley   +1 more source

Microstructural Evolution of Calcium Sulfoaluminate Cement during the Wet-Carbonation Process

open access: yesBuildings
Calcium sulfoaluminate (CSA) cement, as a type of low-carbon cement, can contribute to further reduction in carbon emissions with carbonation technologies.
Yangyang Zhang   +6 more
doaj   +1 more source

Behaviour of supersulfated cements under accelerated and natural carbonation [PDF]

open access: yesMATEC Web of Conferences
It is known that supersulfated cement (SSC) is susceptible to carbonation; however, there are uncertainties regarding the similarity between accelerated and natural carbonation processes.
Kich De Ré Julia   +3 more
doaj   +1 more source

Physicochemical Properties of Hydrated Portland Cement Blended with Rice Husk Ash

open access: yesJournal of Chemistry, 2020
In the presence of significant quantities of carbon dioxide (CO2) and elevated temperatures in the atmosphere due to climate change, cement-based materials are susceptible to carbonation. Blended cements are more prone to carbonation attack than Portland
Joseph Mwiti Marangu   +2 more
doaj   +1 more source

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