The void space
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The Concept of Void Space: Applications and Implications
Void Space in Anode Materials for Lithium-Ion Batteries
Optimizing Void Space for Capacity and Stability
In the realm of lithium-ion batteries, void space plays a crucial role in managing volume expansion during lithium insertion and extraction. Traditional methods often result in randomly generated voids, which can compromise capacity and energy density. However, a novel approach involving a core-satellite architecture, specifically silicon@porous silicon@carbon (Si@pSi@C) nanoparticles, has demonstrated a balanced void space that maintains structural stability while achieving a high capacity of 1002 mA h g-1 over 100 cycles at a current of 100 mA g-11. This precise engineering of void space could significantly enhance the performance of high-energy density lithium-ion batteries.
Cable-Like Structures for Volume Change Accommodation
Another innovative design involves reserving interior void space within multiwalled carbon nanotubes (MWNTs) coated with SnO2 and carbon layers. This structure effectively accommodates volume changes during lithium and sodium storage, leveraging the electrical conductivity of MWNTs and the carbon layer to enhance performance5. Such designs underscore the importance of void space in developing advanced energy storage solutions.
Void Space in Bone Health Assessment
Quantifying Localized Bone Loss
In bone health research, void space has been introduced as a metric to quantify localized bone loss using high-resolution peripheral quantitative computed tomography (HR-pQCT). This method segments volumes of deterioration in the trabecular bone network and measures the void-to-total volume ratio (VS/TV). The study found that void spaces are more prevalent in females, increase with age, and are associated with poorer trabecular properties2. This metric provides a more detailed understanding of bone fragility and could improve the assessment of fracture risk.
Void Space in Cosmology
Redshift-Space Effects on Void Identification
In cosmology, voids serve as important probes for understanding the universe. However, identifying voids in redshift space introduces distortions due to redshift-space distortions (RSD) and the Alcock-Paczynski effect (AP). These distortions affect the void size function and the statistical properties of voids. A theoretical framework has been developed to model these effects, which is crucial for obtaining unbiased cosmological constraints from redshift surveys3. This research highlights the complexities of void space in cosmological studies and the need for precise modeling.
Void Space in Crystalline Materials
Visualizing and Characterizing Void Space
In materials science, a new method for visualizing and characterizing void space in crystalline materials has been proposed. This approach uses isosurfaces of the procrystal electron density to locate and measure voids, offering a more realistic alternative to traditional methods. It is applicable to various crystalline systems, including porous dipeptides and metal-organic frameworks, and provides accurate estimates of void volumes and surface areas4. This technique enhances our ability to study and utilize void spaces in material design.
Urban Voids: Political and Architectural Perspectives
Urban Voids as Political Spaces
Urban voids, often seen as leftover or underutilized spaces, can be politically significant. These spaces, which lack evident functions, are constructed as "nothingness" but are used for various purposes. The political nature of urban voids is explored through a deconstruction-inspired analysis, revealing how these spaces interact with dominant urban discourses. This perspective challenges traditional views and highlights the potential of urban voids as meaningful and politically relevant spaces6.
Space-Void Dichotomy in Architecture
The concept of void in architecture is examined through the lens of modernist and postmodernist design methods. While modernist approaches view space as an object, postmodernist methods consider void as a subject with significant axiological properties. Rehabilitating the meaning of void in architectural theory can lead to professional changes and a new form of architecture that values void as an integral part of the poetic experience7.
Conclusion
Void space is a multifaceted concept with applications across various fields, from energy storage and bone health to cosmology and urban planning. By understanding and optimizing void space, researchers and practitioners can enhance the performance and functionality of materials, improve health assessments, and reimagine urban and architectural spaces. The ongoing exploration of void space continues to reveal its critical importance and potential for innovation.
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Most relevant research papers on this topic
Encapsulation of core-satellite silicon in carbon for rational balance of the void space and capacity.
This research developed a core-satellite architecture with a rational balance of void space and capacity, resulting in a satisfactory capacity of 1002 mA hg-1 over 100 cycles, potentially benefiting high-energy density lithium-ion batteries.
A new approach for quantifying localized bone loss by measuring void spaces.
Void space is a new metric for quantifying localized bone loss in the trabecular bone network, potentially aiding in the assessment of bone fragility.
Observational Study
Rigorous JournalRedshift-space effects in voids and their impact on cosmological tests. Part I: the void size function
Redshift-space distortions and the Alcock-Paczynski effect impact void identification in redshift space, affecting cosmological tests and potentially improving current models of void abundance.
Visualisation and characterisation of voids in crystalline materials
This study presents a simple, computationally rapid method for locating and visualizing voids in crystalline materials, enabling accurate computation of surface areas and volumes of voids.
Highly CitedReserving Interior Void Space for Volume Change Accommodation: An Example of Cable‐Like MWNTs@SnO2@C Composite for Superior Lithium and Sodium Storage
The cable-like MWNTs@SnO2@C composite structure with reserved void space performs excellently for Li and Na storage, benefiting from good electrical conductivity and the ability to accommodate volume changes of SnO2.
The void : Urban wasteland as political space
Urban voids are politically relevant spaces, shaped by dominant discourses and interacting with other urban spaces, challenging dominant modes of conceptualisation.
Space-void dichotomy in architecture
Understanding void in architecture can lead to major professional change and a new form of architecture by rehabilitating its repressed meaning and integrating it into the project method.
Three-Dimensional Electromagnetic Void Space.
3D electromagnetic void space can enable applications like impurity "antidoping," outer-boundary-controlled switching, and 3D perfect wave steering.
Two Conceptions of Vacuum
Vacuum, or void, raises conceptual difficulties and may be capable of locomotion, suggesting it may not be as empty as commonly assumed.
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