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Topic Review Peer Reviewed
Metal-Ion Batteries
Metal-ion batteries are systems for electrochemical energy conversion and storage with only one kind of ion shuttling between the negative and the positive electrode during discharge and charge. This concept also known as rocking-chair battery has been made highly popular with the lithium-ion battery as its most popular example. The principle can also be applied with other cations both mono- and multivalent. This might have implications and advantages in terms of increased safety, lower expenses, and utilizing materials, in particular metals, not being subject to resource limitations.
  • 909
  • 04 Feb 2024
Topic Review Peer Reviewed
Intrinsically Conducting Polymer Binders for Battery Electrodes
Binder materials are needed to keep particles of active masses in electrodes for batteries and supercapacitors together and to ensure their adherence to the current collector. Mostly synthetic polymeric materials are used. Because they are electrochemically inert, they do not add to the storage capacity of the electrode. Intrinsically conducting polymers ICPs such as polyaniline, polythiophene or polypyrrole can provide these functions also. They show electronic conduction because of mobile charge carriers generated in them by oxidation or reduction. In addition to providing the binder-function, they improve electronic conductance of the electrode mass because of their inherent conductivity and can also contribute to the charge storage capability of the electrode in the range of potential of the redox activity of ICPs in the used electrolyte solution. In most reports on the application of ICPs as component of conductive binders, their incorporation results in enhanced specific capacity and notable improvement of C-rate capability of electrodes. In addition, ICP binders provide partial or complete wrapping of grains of active electrode materials, which effectively inhibits the interaction with the electrolyte, suppressing side reactions and degradation of functional properties. 
  • 691
  • 04 Feb 2024
Topic Review Peer Reviewed
All-Liquid Metal Battery
A secondary battery (accumulator) employing molten metals or molten metal alloys as active masses at both electrodes and a molten salt as electrolyte in between is called an all-liquid-metal accumulator battery (LMB). Separation of the electrodes and the liquid electrolyte based on segregation caused by different densities and immiscibility of the materials is a characteristic feature. High coulometric storage capabilities of the molten-metal electrodes combined with the relatively low cell voltage and the high stability of the system and the operational principle yield a secondary battery suitable for grid applications and, in particular, for power-quality management and large-scale stationary storage. 
  • 994
  • 04 Feb 2024
Topic Review
Artificial Olfactory Images
The artificial olfactory image was proposed by Lundström et al. in 1991 as a new strategy for an electronic nose system which generated a two-dimensional mapping to be interpreted as a fingerprint of the detected gas species.
  • 155
  • 04 Feb 2024
Topic Review
Applications of Biomimetic Propulsion for Underwater Vehicles
Biomimetics and bio-inspiration, distinct yet complementary, both derive insights from nature’s ingenuity in science and engineering. Biomimetics, specifically for underwater vehicles, studies and emulates the efficient shapes and behaviors of aquatic creatures like fishes, dolphins, and whales, leading to innovative underwater vehicle designs with enhanced speed, thrust, maneuverability, and reduced water drag.
  • 406
  • 04 Feb 2024
Topic Review
Industry 5.0 Perspective on Feeding Production Lines
The emerging concept of Industry 5.0 is fostering companies to consider the three pillars of human-centricity, sustainability, and resilience. How such a new perspective can be effectively declined and practically guide the introduction of new technologies is a challenge to be addressed. 
  • 157
  • 04 Feb 2024
Topic Review
Benefits of Non-Commercial Urban Agricultural Practices
Urban agriculture refers to any type of activity located within or around a city designed to provide ecosystem services. Given the rapid population growth and urbanization, urban agriculture is seen as a potential alternative route to a more sustainable urban food system. Indeed, it has multiple functions, contributing to a variety of outcomes associated with localized urban food systems, including food access, food and agriculture education, community building, and civic engagement. Moreover, implementing non-commercial urban agricultural practices has multifaced social, economic, and environmental benefits, such as improving people’s health, reducing expenditure on food and creating sustainable cities, highlighting the need to recognize the multifaceted role of non-commercial urban agricultural practices in promoting a more sustainable lifestyle and strengthening local communities and engagement.
  • 161
  • 04 Feb 2024
Topic Review
Management of Facility Assets
Effective facility asset management requires specific skills and tools to optimize the use of limited resources, making a decision support system essential.
  • 131
  • 02 Feb 2024
Topic Review
Human Factors and Road Traffic Safety
Human factors play a huge role in road traffic safety. Research has found that a huge proportion of traffic crashes occur due to some form of human error. Improving road user behavior has been the major strategy that has been emphasized for improving road traffic safety. Meanwhile, despite the training efforts, and testing for drivers, the global status of road traffic safety is alarming.
  • 861
  • 02 Feb 2024
Topic Review
High Entropy Amorphous Alloys
High entropy amorphous alloys (HEAAs) are materials that have received much attention in recent years. They exhibit many unique properties; however, research on their composition design method has not been deep enough.
  • 142
  • 02 Feb 2024
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