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Topic Review
Solid Adsorbents for CO2 Capture
Carbon capture and storage (CCS) is considered to be a promising technology in reducing atmospheric CO2 concentration. Among the CO2 capture technologies, adsorption has grabbed significant attention owing to its advantageous characteristics discovered in recent years. Solid adsorbents have emerged as one of the most versatile CO2 adsorbents. 
  • 1.4K
  • 23 Feb 2023
Topic Review
Liquid-Based 3DP Techniques
Significant advances have been made in recent years in the materials development of liquid-based 4D printing. Nevertheless, employing additive materials such as nanoparticles for enhancing printability and shape memory characteristics is still challenging. Herein, researchers provide an overview of recent developments in liquid-based 4D printing and highlight novel 4D-printable polymeric resins and their nanocomposite components. Recent advances in additive manufacturing technologies that utilise liquid resins, such as stereolithography, digital light processing, material jetting and direct ink writing, are considered. The effects of nanoparticle inclusion within liquid-based resins on the shape memory and mechanical characteristics of 3D-printed nanocomposite components are comprehensively discussed. Employing various filler-modified mixture resins, such as nanosilica, nanoclay and nanographene, as well as fibrous materials to support various properties of 3D printing components is considered.
  • 1.1K
  • 23 Feb 2023
Topic Review
Self-Discharge of Batteries
Self-discharge of batteries is a natural, but nevertheless quite unwelcome, phenome­non. Be­cause it is driven in its various forms by the same thermodynamic forces as the discharge dur­ing intended op­era­tion of the device it can only be slowed down by impeding the reaction kinet­ics of its vari­ous steps, i.e. their respective rates of reaction. This approach should be based on a deeper understanding of the various modes and mechanisms of self-discharge, which in turn de­pend on the battery chemistry, its mode of op­eration and environmental conditions. Typical exam­ples from representative battery chemis­tries are presented and observed effects are reviewed. As an outcome of a better understanding ap­proaches to reduce self-discharge are presented.
  • 1.5K
  • 22 Feb 2023
Topic Review
Conventional Techniques for Thermal Treatment of Plastic Waste
Plastic waste poses a serious threat to the environment and it has been increasing at an alarming rate. In 2022, global plastic waste generation was reported to be around 380 million tonnes as compared to 353 million tonnes in 2019. Production of liquid fuel from plastic waste is regarded as a viable method for disposing of the plastic and utilizing its energy. A wide range of technologies have been explored for turning plastic waste into fuel, including the conventional pyrolysis, incineration, gasification and advanced oxidation.
  • 1.0K
  • 22 Feb 2023
Topic Review
Hybrid Reinforced Polymer Matrix Composites
The use of composite materials has seen many new innovations for a large variety of applications. The area of reinforcement in composites is also rapidly evolving with many new discoveries, including the use of hybrid fibers, sustainable materials, and nanocellulose.
  • 811
  • 22 Feb 2023
Topic Review
Human–Machine Relationship
The human–machine relationship was dictated by human needs and what technology was available at the time. Changes within this relationship are illustrated by successive industrial revolutions as well as changes in manufacturing paradigms.  
  • 2.3K
  • 22 Feb 2023
Topic Review
Fault Detection in Building Systems
Energy consumption in buildings is a significant cost to the building’s operation. As faults are introduced to the system, building energy consumption may increase and may cause a loss in occupant productivity due to poor thermal comfort. Research towards automated fault detection and diagnostics has accelerated in recent history. Rule-based methods have been developed for decades to great success, but recent advances in computing power have opened new doors for more complex processing techniques which could be used for more accurate results.
  • 550
  • 22 Feb 2023
Topic Review
Precision Machining by Dicing Blades
Diamond dicing blades are profound cutting tools that find their applications in semiconductor back-end packaging and assembly processes. To fully appreciate the benefits of the dicing blade technique for precision machining, a deeper understanding is required.
  • 884
  • 22 Feb 2023
Topic Review
Visible Light Communications
Visible light communication (VLC) is a highly promising complement to conventional wireless communication for local-area networking in future 6G. The extra electro-optical and photoelectric conversions in VLC systems usually introduce exceeding complexity to communication channels, in particular severe nonlinearities. Artificial intelligence (AI) techniques are investigated to overcome the unique challenges in VLC, whereas considerable obstacles are found in practical VLC systems applied with intelligent learning approaches.
  • 323
  • 22 Feb 2023
Topic Review
Data Fusion in Process Analytical Technology
The release of the FDA’s guidance on Process Analytical Technology has motivated and supported the pharmaceutical industry to deliver consistent quality medicine by acquiring a deeper understanding of the product performance and process interplay. The technical opportunities to reach this high-level control have considerably evolved since 2004 due to the development of advanced analytical sensors and chemometric tools.
  • 255
  • 22 Feb 2023
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