Articles tagged with Batteries
Researchers successfully tuned the first coordination shell environment of Sb centres to exhibit strong affinity for oxygen reduction, improving catalytic performance. The orbital stabilisation effect mitigates *OH steric hindrance, accelerating formation of *OOH and demonstrating excellent long-term durability.
Researchers have developed a seawater-safe battery that can be woven into various shapes, such as a fishing net or fabric. The yarn-like battery prototype was tested in saltwater and retained most of its charging efficiency and storage capacity over 200 charge and discharge cycles.
Scientists introduce a novel approach to construct robust electrode/electrolyte interphase layers on both cathode and anode of aqueous zinc batteries. The use of glutamate additives enables efficient suppression of undesirable side reactions, leading to improved electrochemical performance and cycling stability.
Researchers at the University of Illinois have developed a new technique to eliminate fluid flow dead zones in electrodes used for battery-based seawater desalination. The tapered flow channel design improves fluid flow by two to three times, making it more efficient than current reverse osmosis methods.
Despite potential advantages, sodium-ion batteries struggle to match lithium-ion batteries in terms of energy density and cost. Researchers identify key areas for improvement, including increasing energy densities without critical minerals and developing new battery chemistries.
Scientists at Argonne National Laboratory have created a new class of additive to improve battery performance. The additive forms a film on both the anode and cathode, suppressing shuttle effects and promoting ion transport. This design minimizes sulfur dissolution and enhances reaction homogeneity, enabling better overall performance.
Researchers at Swiss Federal Laboratories for Materials Science and Technology have developed a functioning fungal battery that generates electricity, powered by two types of fungi. The biobattery is non-toxic and biodegradable, making it an attractive alternative to conventional batteries.
Researchers at Northwestern University have developed an efficient storage agent for sustainable energy solutions using triphenylphosphine oxide (TPPO), a well-known chemical byproduct. The team's 'one-pot' reaction method enables the transformation of TPPO into a usable product with powerful potential to store energy.
A novel nitrogen-doped porous carbon material improves lithium-sulfur battery performance by increasing sulfur loading and reducing lithium polysulfide migration. The battery achieves a high capacity of 705 mAh g⁻¹ under rapid charging conditions, demonstrating excellent stability.
Researchers develop coprecipitation method to create free-standing porous carbon fibers with Zn single atom sites and molybdenum carbide clusters, enhancing iodine adsorption and electrocatalytic activity. The resulting zinc-iodine batteries demonstrate high specific capacity and good capacity retention.
The triple-layer solid polymer electrolyte battery developed by DGIST improves fire safety and lifespan, addressing structural limitations and dendrite issues common in conventional batteries. The battery retains about 87.9% of its performance after 1,000 charging cycles, demonstrating a notable improvement in durability.
Researchers have made significant breakthroughs in synthesizing innovative materials for all-solid-state batteries (ASSBs), improving their performance and safety. The review highlights the challenges that remain, such as limited compatibility between electrolytes and electrodes.
Researchers developed an electrochemically stable and ultrathin polymer-based solid electrolyte, exhibiting over 2100 hours of stable battery cycling in Li-symmetric cells. The study offers a new approach for fabricating ultrathin solid electrolytes and provides insights into the mechanisms of dendrite-free formation.
Researchers from the University of Granada and the Public Health Agency of Canada identified the most important physical fitness tests for children and adolescents, with a degree of scientific agreement exceeding 85%. The top tests include the 20-meter shuttle run test, handgrip strength test, standing long jump test, and body mass index.
Researchers warn that refining nickel, cobalt, and other minerals for electric vehicle batteries could increase sulfur dioxide emissions by up to 20% in China and India. The study highlights the need for countries to think strategically about building clean supply chains as they develop decarbonization plans.
A combination of policies is necessary to encourage widespread adoption of environmentally friendly technologies like solar panels and heat pumps. Removing barriers for renters, such as subsidies and investment requirements, can make these technologies more accessible and affordable.
Researchers at Doshisha University developed porous silicon oxide electrodes that improve the durability and energy density of all-solid-state batteries. The electrodes can withstand repeated charge/discharge cycles without cracking or peeling, making them a promising solution for sustainable energy storage.
Pratyanik Sau, a senior at the University of Texas at Arlington, won an Outstanding Undergraduate Student Oral Presentation Award for his research on graphene using positrons. The study has implications for designing particle accelerators and fusion reactors.
A new method developed by Penn researchers uses a chemical-separation technique to extract cobalt from 'junk' materials, increasing the capacity for purified cobalt production with minimal environmental harm. The process avoids harsh chemicals and generates lower costs than traditional methods.
Researchers found that dynamic discharging based on real driving data helped extend battery life, with sharp accelerations slowing degradation. The study suggests a correlation between acceleration and slower aging, contrary to previous assumptions.
Researchers found that burned rice hulls can provide a nearly doubling of energy density in typical lithium-ion or sodium-ion batteries. The process is more sustainable than producing graphite from biomass, which requires heating to high temperatures and produces significant CO2 emissions.
A new study from Tel Aviv University uses smartphone data to predict wildfire risk, overcoming individual device errors by averaging large amounts of public data. The method provides valuable insights into wildfire evaluation, especially in remote areas lacking traditional weather stations.
Researchers will test the hypothesis that environmental manganese exposure is associated with the progression of Parkinson's symptoms and measure neuroinflammation in the brain using MRI scans. The study aims to inform environmental regulations for manganese worldwide and address an environmental justice concern.
Researchers from Delft University of Technology have developed a new 3D electrode design for the Battolyser, enabling it to store twice the amount of electricity and charge four times faster. This innovative design reduces space and costs while producing green hydrogen comparable to existing electrolysers.
A University of Michigan-led study suggests that recycled pacemakers can be used safely and effectively in patients with life-threatening cardiac conditions. The international clinical trial involved nearly 300 people across seven countries and found no significant differences in pacemaker function up to 90 days after the procedure.
Researchers at Washington State University have discovered a way to accelerate ions in mixed organic ion-electronic conductors, setting a new world record for ion speed. This breakthrough could lead to improved battery charging, biosensing, and neuromorphic computing.
A randomized trial found reconditioned pacemakers comparable to new devices in terms of safety and effectiveness up to 90 days after implantation. However, longer-term follow-up is necessary to confirm the safety and efficacy of reconditioned devices.
Researchers at Binghamton University have developed a paper-based wearable device that captures moisture from the air and converts it into electricity. The device uses bacterial spores to break down water molecules into ions, generating an electric charge.
Scientists at Oak Ridge National Laboratory are studying how a new type of battery fails to improve long-term storage of wind and solar energy. By analyzing the failure mechanisms, researchers can design more durable solid electrolytes that support storing renewable energy for longer periods.
Binghamton University researchers have created artificial plants that can capture 90% of carbon dioxide from indoor air, reducing levels and generating oxygen. The plants use photosynthesis to drive the process, with an additional power generation capability of around 140 microwatts.
A Cornell University research team found that strategically placing a mix of medium-speed and fast-charging stations in urban areas increases driver usage and improves investor profitability by 50-100%. The team used Bayesian optimization to analyze data from Atlanta, taking into account factors like traffic and road characteristics.
A recent study found that retrofitting US shipping fleet from internal combustion engines to battery-electric systems could reduce maritime CO2 equivalent emissions by 34-73% in 2035. Electrifying ships is more challenging than electrifying cars, but declining battery costs and cleaner grids make it feasible.
A USTC team proposes a new type of battery using Martian atmospheric components, achieving higher energy density and longer stable cycling than previous designs. The battery has been validated in actual Martian conditions, paving the way for future space missions.
KAIST researchers developed a new electrochemical impedance spectroscopy (EIS) technology using small currents to diagnose electric vehicle batteries with high precision. This low-current EIS system minimizes thermal effects and safety issues during measurement, making it suitable for integration into vehicles.
A new study predicts Turkey's battery electric vehicle (BEV) ownership growth using the Gompertz model, aiming to aid policymakers in preparing for a smooth transition. The predicted BEV market saturation is expected to occur approximately 15 years later than Internal Combustion Engine Vehicles.
A new method uses principal components-based feature generation and optimized Artificial Neural Networks (ANN) to estimate the State of Charge (SoC) in LiFePO4 batteries. This approach improves the accuracy and robustness of existing SoC estimation methods, enabling real-time implementation.
A new zone-regulated interfacial polymerization strategy creates acid- and alkali-resistant nanofiltration membranes with high separation selectivity for lithium recovery. The strategy improves membrane performance and manufacturing stability by controlling monomer diffusion behavior.
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
The system removes salt from water at a pace that closely follows changes in solar energy, maximizing the utility of solar power. It produces large quantities of clean water despite variations in sunlight throughout the day, making it an attractive solution for communities with limited access to seawater and grid power.
Researchers at Osaka Metropolitan University have developed a promising solid electrolyte for all-solid-state batteries, showing high conductivity and formability. The new electrolyte, Na2.25TaCl4.75O1.25, also exhibits superior mechanical properties and electrochemical stability.
Researchers at Pohang University of Science & Technology developed a non-fluorinated battery system to comply with environmental regulations and enhance battery performance. The innovative 'APA-LC' system, entirely free of fluorinated compounds, shows improved oxidation stability and higher capacity retention.
Argonne researchers have developed a new design for a sodium-ion oxide cathode that overcomes the performance issue of repeated discharge and charge. The team found that fine-tuning the heat treatment conditions eliminated cracks in the particles, maintaining high energy storage capacity.
Researchers at the Department of Energy's Lawrence Berkeley National Laboratory have developed a new process for creating manganese-based cathodes that can store and deliver energy efficiently. This breakthrough could lead to more sustainable and cost-effective lithium-ion batteries.
Researchers have created a new electrolyte that enhances the energy density and power density of intermediate-temperature K/Na/S batteries, enabling them to operate at lower temperatures while achieving maximum possible energy storage capacity. This breakthrough could provide a stable and reliable power supply from renewable sources.
Researchers have developed a lithium-sulfur battery with improved iron sulfide cathode, retaining capacity over 300 charge-discharge cycles. The battery also withstands physical stress, including folding or cutting, making it safer and more efficient.
A novel deep learning model, DS-ViT-ESA, was developed to predict lithium battery lifespan with high accuracy using only a small amount of charging cycle data. The model achieved low prediction errors even when tested on unseen charging strategies, demonstrating its zero-shot generalization capability.
Researchers developed cost-effective catalysts by incorporating chromium into transition metal hydroxides, demonstrating enhanced catalytic activity. The FeCoNiCr hydroxide catalyst showed a low overpotential of 224 mV in alkaline media, outperforming similar catalysts.
Researchers at Chalmers University of Technology have created a world-leading structural battery that can halve the weight of laptops and make mobile phones as thin as credit cards. The battery has increased its stiffness, allowing it to be used in vehicles, increasing their driving range by up to 70 percent on a single charge.
Researchers at Eindhoven University of Technology, in collaboration with MIT and PSI, developed a new method to visualize the inner workings of redox flow batteries using neutron imaging. The technique provides extraordinary moving images that help understand the battery's performance and durability.
A new type of gel developed by MLU chemists improves the safety and service life of lithium-ion batteries. Initial lab studies show that it also enhances battery performance, remaining stable at over five volts.
Charging lithium-ion batteries at high currents just before they leave the factory increases average lifespan by 50% and decreases initial charging time from 10 hours to 20 minutes. Researchers used machine learning to pinpoint changes in battery electrodes that account for this increase in performance.
Researchers developed novel naphthalene derivatives with air stability for aqueous organic flow batteries. These molecules achieved long-term stable cycling even under air-atmosphere conditions, demonstrating promising potential for sustainable energy storage.
Researchers have developed a lithium/manganese-based material that outperforms nickel-based layered materials in terms of energy density and fast-charging capabilities. The new material, nanostructured LiMnO2 with a monoclinic layered domain, boasts high-energy density of 820 Wh kg-1 and no reported voltage decay.
Researchers developed a model to accurately predict the cycle lives of high-energy-density lithium-metal batteries using machine learning methods. The technique is expected to improve safety and reliability in devices powered by these batteries.
The new battery can capture oxygen from air and use it to oxidize zinc, creating a current of up to 1 volt. It powers an actuator, memristor, clock circuit, and sensors, making it ideal for robotics and medical applications.
Scientists have expanded understanding of how electrons move through conductive fluids in batteries, revealing that controlling chemistry and microstructure is crucial. The research team created a universal roadmap for processing energy storage devices during manufacturing, enabling the design of better materials.
Scientists at Tohoku University create a novel technology to harness ambient low-power RF signals, enabling battery-free operation for electronic devices and sensors. The developed compact spin-rectifier technology converts faint ambient RF signals to DC power.
Xiao-Qing Yang, a physicist at Brookhaven National Laboratory, has spent his career studying and improving battery materials using advanced characterization tools. His work has led to a fundamental understanding of the relationship between structure and performance in battery systems.
A research team at Rice University has pioneered a new method to extract purified active materials from battery waste, enabling efficient separation and recycling of valuable battery materials. The technique uses solvent-free flash Joule heating to create unique features with magnetic shells and stable core structures.
A new framework enables efficient calculation of optimal solar panel and battery sizes for residential neighborhoods, making it feasible to achieve net-zero energy houses. The approach leverages linear programming transformations to overcome computational challenges, demonstrating that ZEH status does not significantly elevate costs.