Battery - Science topic

As a result of ongoing research on direct recycling of battery active materials, it was observed that the chemical environment in flotation operations can be manipulated to produce highly stable froths. Such unexpected behavior opened the possibility to characterize this type of metastable structures using imaging techniques such as x-ray computed...

Cathodes for aqueous zinc-sulfur batteries (AZSBs) produced via the conventional melt-infiltration technique face issues such as non-uniform sulfur distribution and a lack of active sites, which lead to sluggish redox reactions and considerable voltage hysteresis in AZSBs. In this study, we introduce an alternative approach where amorphous sulfur i...

With first commercially available sodium-ion cells on the mass market, the interest in analyzing these cells is growing. Utilizing a physico-chemical model (PCM) allows access to internal states of the modeled battery cell and thus to gain a deeper understanding of underlying mechanisms within the battery. For the first time in literature, this wor...

Lithium and ethanol is a crucial component in electric vehicle (EV) batteries, and its demand is skyrocketing. However, current lithium production is not meeting its full potential, leaving a significant gap in the market.

When analyzing the battery consumption of mobile devices, one of the primary components considered is the display, which presents distinct consumption characteristics depending on the screen technology used. Furthermore, developing energy-efficient display technologies is critical, as they are a substantial source of smartphone battery consumption....

Sulfur conversion reactions are the foundation of lithium–sulfur batteries but usually possess sluggish kinetics during practical battery operation. Herein, a high‐entropy single‐atom catalyst (HESAC) is synthesized for this process. In contrast to conventional dual‐atom catalysts that form metal–metal bonds, the center metal atoms in HESAC are not...

In this work, the layered double hydroxide (LDH) Mg2Al(OH)6 was intercalated with redox active ferrocene carboxylate anions in order to implement charge storage capability to the interlayer spaces of the LDH structure. Two sets of anions, namely mono‐ and dicarboxylic ferrocene, were intercalated to produce two different active materials: MgAl‐FcMo...

Nickel‐rich oxide materials have been recognized as promising cathodes for state‐of‐art high energy lithium‐ion batteries; however, challenges remain in their commercialization due to chemical and structural degradation, poor thermal stability related to oxygen lattice destabilization. Herein, this work reports a straightforward approach to stabili...

The formation of lithium dendrites, driven by the non‐uniform deposition of lithium, remains a critical challenge for the performance and safety of lithium metal batteries. To address this issue, we engineer the surface of copper current collectors by depositing ultra‐thin 2D TiO2 nanosheets with varying thicknesses (0–1200 nm) as a protective laye...

Una de las principales causas de discapacidad infantil es la parálisis cerebral, que genera consecuencias físicas o motoras y cognitivas. Por ello, es fundamental evaluar el estado de las funciones neurocognitivas, particularmente la atención, para diseñar planes de rehabilitación que se ajustan a las necesidades de cada niño. Este estudio tuvo com...

Graphite stands out as the most promising anode material for potassium‐ion batteries (PIBs) due to its cost‐effectiveness and ideal low‐potential platform. However, the perceived poor rate capability of graphite has become a key concern for its commercial application in PIBs. Herein, the above understanding on the poor rate capability of graphite i...

The accumulation pattern in the dendritic microstructures in rechargeable batteries has a deterministic impact on their state of health and longevity. The dendrites either can cause early short-circuits or form dead lithium crystals during the prolonged charge–discharge cycles. We perform experiments, combined with percolation-based computations in...

Background Using multiple drugs with anticholinergic properties is common and might lead to cumulative anticholinergic toxicity and increased risk of cognitive decline. The cumulative adverse effects of anticholinergic medications that a person takes are called the “anticholinergic burden”. We hypothesized that a high anticholinergic burden may be...

Due to the high catalytic activity and stability for oxygen reduction reaction, N‐coordinated Fe−Cu dual‐metal doped carbon material (FeCu−N−C) is considered to be one of the promising electrode materials for metal‐air battery and fuel cells. Herein, FeCu−N−C dual‐metal catalysts was synthesized by an adsorption‐calcination strategy. The prepared F...

This study aimed to verify the correlations between variables obtained from dry-land tests and swimming performance, in addition to examining the associations between the dry-land asymmetries and swimming performance. Thirty-seven male swimmers performed a test battery, including shoulder isokinetic torque, shoulder range of motion (ROM), vertical...

A B S T R A K Kata kunci: smartwatch, internet of things (IoT), teknologi. Teknologi Internet of Things (IoT) menghubungkan perangkat-perangkat untuk bertukar data melalui internet, salah satunya adalah jam tangan pintar. Jam tangan pintar berbasis IoT memungkinkan pemantauan kesehatan, notifikasi pintar, dan integrasi dengan perangkat rumah tangga...

Accurate estimation of solid phase diffusivity, a rate-limiting step in Li-Ion batteries, is extremely important for battery management system (BMS) algorithms for precise state estimations and safe, stable battery operation. The present state-of-the-art diffusivity estimation methods give erroneous results, due to inherent limitations and invalid...

Background The Systolic Blood Pressure Intervention (SPRINT) randomized clinical trial evaluated the effect of intensive blood pressure (BP) control, defined by targeting systolic BP < 120 mm Hg, versus the standard target of < 140 mm Hg. Participants were recruited from 102 sites in the United States and Puerto Rico, aged 50 years or older with hy...

Background Alzheimer’s disease (AD) therapy requires timely and accurate diagnosis for prompt drug intervention, emphasizing the need for a more accessible biomarker screening test. Previous studies identified higher expression of oligomeric Aβ in AD patients, however, the quantitative measurements of nasal Aβ42 levels of the full AD continuum rema...

Cognitive impairment and symptoms of psychiatric disorders have been reported frequently as features of post‐acute sequelae of SARS‐CoV‐2 infection. This study aims to investigate subjective memory complaints in COVID‐19 survivors and determine if these are more strongly associated with objective cognitive impairment related to sequelae of SARS‐CoV...

Novel NiCo2S4 nanorod arrays are uniformly grown on carbon nanofibers (NiCo2S4@CNF) through a facile hydrothermal approach. The elaborate designed composite structure ensures that the NiCo2S4 nanorods arrays are uniformly dispersed on the surfaces of carbon nanofibers (CNF) and tightly bonded with each other. Conductive networks of CNF facilitate t...

Background The logopenic variant of primary progressive aphasia (lvPPA) is a disorder centered on language impairment. Alzheimer Disease (AD) is one of the most common underlying pathologies in lvPPA. The aim of our study was to estimate frequency of AD in this phenotype and to analyze clinical features of AD‐lvPPA. Method We examined 20 patients...

Achieving higher operational voltages, faster charging, and broader temperature ranges for Li-ion batteries necessitates advancements in electrolyte engineering. However, the complexity of optimizing combinations of solvents, salts, and additives has limited the effectiveness of both experimental and computational screening methods for liquid elect...

Na atualidade, a sociedade do século XXI vive uma transição energética, passando da energia de combustão para a obtida pela oxirredução. O elemento lítio, de número atômico 3 e massa atômica 7 é um metal leve e pouco denso, amplamente presente no meio natural e devido às suas propriedades físico-químicas tem fácil manuseio de seus constituintes atô...

Background Previous research paid more attention to the negative effects of the bullying on psychological distress, such as anxiety and depression. However, few studies explored the underlying mechanism between bullying and mathematics achievement. The purpose of this study was to explore the direct and indirect effects of school bullying on mathem...

The state of charge (SOC) of the batteries is critical to obtain the operating parameters of the battery system and optimize the control. The mainstream research on SOC estimation is based on the integer order circuit model, and the fractional order impedance model is rarely studied at present. Combined with the shortcomings of the extended Kalman...

The safety and cycling stability of potassium‐ion batteries (PIBs) are deeply associated with potassium‐ion electrolytes. However, due to the weak Lewis acidity of potassium ions, localized high‐concentration electrolytes in PIBs are prone to excessive weak solvation. Herein, we propose an entropy repair strategy for the solvation structure of pota...

The present work aims to identify the priority areas of interventions for the development of facilities so that the sustainable modes such as walking, cycling, and battery operated motorized IPT facilities are utilized as the first-and-last mile connectivity with the metro stations. The work is demonstrated with respect to a satellite city of Kolka...

Silicon anodes offer exceptional specific capacity, positioning them as prime candidates for next-generation lithium-ion batteries. However, their practical application is hindered by severe volume expansion and structural degradation during cycling. Herein, we report a self-healing binder for carbon-silicon anodes, constructed from β-cyclodextrin...

Batteries are essential in various applications, including Electric Vertical TakeOff and Landing (eVTOL) vehicles, where performance, efficiency, and safety are paramount. However, the effects of battery shape and design on thermal management and overall efficiency remain underexplored. In this study, we present a computational framework for shape...

Unmanned Aerial Vehicles (UAVs), adept at aerial surveillance, are often constrained by their limited battery capacity. Refueling on slow-moving Unmanned Ground Vehicles (UGVs) can significantly enhance UAVs’ operational endurance. This paper explores the computationally complex problem of cooperative UAV-UGV routing for vast area surveillance, con...

Background Developing culture‐fair tests that measure constructs equivalently across different ethno‐lingual groups is challenging, given the diverse cultural variations that impact neurocognitive measurement. Multi‐level measurement invariance must be established before interpreting scores similarly across groups, both within and between cultures...

The surging demand for batteries requires advanced battery management systems, where battery capacity modelling is a key functionality. In this paper, we aim to achieve accurate battery capacity prediction by learning from historical measurements of battery dynamics. We propose GiNet, a gated recurrent units enhanced Informer network, for predictin...

The study on the optimization of the fuse protection system of the BT electrical distribution network in Likasi has identified the main causes of the recurring electric arcs and the high expenses related to this system. The failures of the protection system are mainly due to a lack of coordination of the protections and a suboptimal selectivity of...

The growing potential of low-dimensional metal-halide perovskites as conversion-type cathode materials is limited by electrochemically inert B-site cations, diminishing the battery capacity and energy density. Here, we design a benzyltriethylammonium tellurium iodide perovskite, (BzTEA)2TeI6, as the cathode material, enabling X- and B-site elements...

Due to its innovative structure and superior handling of long time series data with parallel input, the Transformer model has demonstrated a remarkable effectiveness. However, its application in lithium-ion battery degradation research requires a massive amount of data, which is disadvantageous for the online monitoring of batteries. This paper pro...

Uno de los puntos clave para el uso eficiente de energía y para el desarrollo de nuevas tecnologías de generación y electromovilidad es el almacenamiento de energía. Dentro de los diferentes conceptos de almacenamiento, el electroquímico de energía es el que presenta las mayores eficiencias y densidades energéticas. No se podría concebir la electró...

The ability to reliably detect the forthcoming failure of a rechargeable cell without removing it from its normal operating environment remains a significant goal in battery research. In this work we have cycled in the laboratory a previously-aged 3.2 A h, 3.6 V 18650 INR LiNixMnyCo 1−x−yO2 cell for 300 d until failure was apparent, using a current...

Aiming at the problem of power distribution of multiple storage units during grid-connected operation of energy storage systems, the relationship between the PCS transmission power and the health state of the storage system, battery temperature, battery ohmic internal resistance and grid-connected requirements is analysed, and the average value of...

The promotion of electric vehicles (EVs) poses challenges to the power grid due to the large-scale and disordered charging behaviors. While previous studies have investigated the charging patterns of EVs, little attention has been paid to electric taxis (ETs). To address this gap, this study proposes a novel combinatorial clustering model to invest...

Global nickel demand is projected to double by 2050 to support low-carbon technologies and renewable energy production. However, biomass carbon emissions from clearing vegetation for nickel mining are rarely included in corporate sustainability reports or considered in mineral sourcing decisions. Here, we compiled data for 481 nickel mines and unde...

Designing a robust estimator to estimate the charge level of lithium-ion batteries has been one of the important challenges for researchers because the disturbances and uncertainties of the model affect the estimation accuracy and should be considered during the design of the estimator. On the other hand, the estimation convergence time is also one...

Polymer electrolytes (PEs) compatible with NCM cathodes in solid‐state lithium metal batteries (SSLMBs) are gaining recognition as key candidates for advanced electrochemical storage, offering significant safety and stability. Nevertheless, the inherent properties of PEs and interactions at the interface with NCM cathodes are pivotal in influencing...

This paper reviews the growing demand for and importance of fast and ultra-fast charging in lithium-ion batteries (LIBs) for electric vehicles (EVs). Fast charging is critical to improving EV performance and is crucial in reducing range concerns to make EVs more attractive to consumers. We focused on the design aspects of fast- and ultra-fast-charg...

A stable and efficient battery management system (BMS) is essential for the power supply capability of a battery pack, motivating the need for improved energy balancing techniques. Traditional active balancing technology, commonly used in current BMSs, requires repeated charging and discharging of batteries, which can lead to reduced battery life a...

To optimize battery dispatch, a model is required that can predict the state of charge (SOC) trajectory and ensure dispatch is admissible (i.e., does not lead to unexpected SOC saturation). But battery dispatch optimization is inherently challenging since batteries cannot simultaneously charge and discharge, which begets a non-convex complementarit...

Purpose The primary aim of the study was to examine the association between early childhood practitioners' use of language facilitation strategies during interactive book reading of informational texts related to science and the language skills of preschool children with developmental language disorder (DLD). Method Twenty-four practitioners (12 e...

As electronic devices become increasingly portable and mobile, how to extend the battery life of these devices while ensuring performance has become a great challenge for engineers. This paper studies the design of the basic circuit and how to balance the relationship between high speed and low power consumption, proposing an effective optimization...

All-solid-state chloride-ion batteries promise high theoretical energy density and room-temperature operation. However, conventional Sn anodes suffer from low material utilization attributed to large particle size and volume expansion. Here, nano-sized...

Lithium-ion hybrid capacitors have gained more attention due to their improved energy density, exceeding > 25 Wh kg⁻¹ without sacrificing the power density of the supercapacitors. In this work, we have fabricated a hybrid device employing battery-type conversion materials (Ni-Mn–O composite) as anode and high surface area carbon (HSAC) as cathode....

Electric vehicles (EVs) are a sustainable means of transportation, with their onboard batteries being crucial for both performance and energy management. A modular and reconfigurable power converter topology to connect removable batteries to the main DC bus of an EV is proposed in this paper. By employing Dual Active Bridge (DAB) converters in an I...

Owing to their synergistic interactions, dual-atom catalysts (DACs) with well-defined active sites are attracting increasing attention. However, more experimental research and theoretical investigations are needed to further construct explicit dual-atom sites and understand the synergy that facilitates multistep catalytic reactions. Herein, we prec...

Calcium metal batteries with high capacity and low cost are promising alternatives to Li‐ion batteries for large‐scale energy storage. However, its development is crucially impeded by the irreversible Ca metal anode, which is highly associated with uncontrollable Ca plating/stripping. Here, we report a new riveting strategy to regulate the nucleati...

This study investigates integrating lithium battery technology to recover braking energy in the extension of a tramway line in Sidi Bel Abbes, Algeria. Tramways are a sustainable urban transport mode, and harnessing braking energy via lithium batteries can enhance their efficiency and environmental impact. We evaluate the optimal energy storage loc...

This paper proposes a model-free control strategy for the non-isolated bidirectional interleaved DC/DC converter, which is frequently used to regulate the battery charging and discharging processes. The proposed controller simultaneously offers fast dynamic response, very low computational complexity, and closed-loop control stability by employing...

“A battery powers a device” can be read as “work stored in the battery is being transported to the device.” In quantum batteries, the total amount of stored work can be measured by ergotropy, which is the maximal work extractable by unitary operations. Transporting ergotropy is fundamentally different from transporting energy, and here we find that...

Zinc ion batteries (ZIBs) have attracted considerable attention owing to their inherent safety and environmental friendliness. As a cathode material for ZIBs, MnO2 possesses the dissolution and volumetric expansion issues. Herein, to address these problems, an easy-obtained conductive carbon black (CCB) and a simple pyrolysis approach have been uti...

Sodium ion batteries (SIBs) is considered as a promising battery to replace lithium ion battery (LIBs). Sn-based electrode materials have been widely studied because of their high theoretical capacity, good safety performance and good environmental compatibility. However, due to the serious volume change, slow dynamic response and low coulombic eff...

Corruption is one of societies' core ailments, impacting banks' performance. Corruption may impact lending practices and borrowers’ willingness to repay loans, impacting banks' credit risks. We examine the impact of corruption on banks' credit risks in Sub-Saharan Africa. We use panel data from 10 sub-Saharan African countries from 2012 to 2023. We...