Articles tagged with Batteries
Researchers develop high-safety, long-life lithium metal batteries with a new electrolyte that suppresses dendrite formation. The electrolyte delivers excellent electrochemical performance and offers solutions for building high-performance lithium metal batteries.
A POSTECH research team developed an anode-free lithium battery with a volumetric energy density of 977Wh/L, enabling 630km long battery life on a single charge. The new technology uses an ion conductive substrate to minimize swelling and increase battery capacity.
Researchers in China designed a strategy to improve zinc-air battery performance by combining two transition metals, atomic iron and nickel, which deliver high electrocatalytic activity. The resulting rechargeable batteries achieve high peak power density, working rates, and long lifespan.
Researchers at Oak Ridge National Laboratory have developed low-temperature methods to purify molten chloride salts for energy storage, potentially making them suitable for storing solar thermal energy. They also created an online tool called VERIFI to track industrial carbon emissions and improve energy efficiency.
Researchers have developed a strong seaweed-based separator to prevent dendrite growth in sodium-metal batteries, increasing storage capacity and efficiency. The breakthrough paves the way for greener and more efficient energy storage systems, reducing reliance on scarce materials like lithium.
Researchers at Helmholtz-Zentrum Berlin used Auger photo-electron coincidence spectroscopy to study the occupation of outer d-orbital shells in copper, nickel, and cobalt. The results confirm known findings for copper and nickel, but reveal highly delocalized d electrons in cobalt.
A research group has developed an innovative methodology to quantify the electrochemical reversibility of a lithium metal anode in practical lithium battery systems. The method enables the precise quantification of active and inactive lithium, allowing for a better understanding of the degradation and failure of Li metal batteries.
Researchers developed a 20 μm-thick flexible Li6.4La3Zr1.4Ta0.6O12-based solid electrolyte with high ionic conductance and thermal stability. The electrolyte showed excellent oxidation stability, superior thermal stability, and non-flammability.
Researchers from the University of South Australia found that households with solar panels and batteries can significantly reduce their annual electricity costs when charging electric vehicles. With off-peak charging, EV owners can save up to 39.6% on energy costs, making it a more affordable option for environmentally-friendly driving.
The research team created a new porous silica/sulfur interlayer that achieves higher long-term stability than conventional materials, enabling more efficient lithium-sulfur batteries. By loading sulfur in the intermediate layer, they increased capacity per cell area and improved battery performance.
Researchers at PNNL and UW discover a flow-based method to isolate pure magnesium salt from seawater, skipping energy-intensive purification steps. This approach could revolutionize US domestic magnesium production and enable more efficient processing of seawater.
Researchers developed a conductive and electrocatalytic mediator for Li-S batteries by modulating the MoSe2 functional plane through doping-defect engineering. This approach improves lithium polysulfide adsorption, reducing the shuttle effect and enhancing overall battery performance.
Researchers developed an electronic laboratory notebook that uses knowledge graphs to describe material properties and experimental processes. The platform enables automated analysis, lossless sharing, and discovery of new materials with potential applications in energy-related devices.
A new field study reveals a previously unobserved fluid dynamic process that affects the ocean's deep-sea mining operations. Researchers equipped a pre-prototype collector vehicle with instruments to monitor its sediment plume disturbances, finding that the plumes remained relatively low and spread under their own weight.
Researchers at Boise State University and Argonne National Laboratory create high-performance battery electrode material with a unique crystalline structure. The material shows promise for fast charging and excellent storage capacity, potentially overcoming significant shortcomings in lithium-ion batteries.
Scientists have developed a novel polymeric solid electrolyte with improved Li-ion conductivity and a wide potential window, making it suitable for practical use. The addition of a porous membrane enhances the electrolyte's performance by deterring Li dendrite formation, contributing to safer and more sustainable energy supply.
Scientists have developed a magnetized state in monolayer tungsten ditelluride, allowing for controlled electron flow and potential applications in non-volatile memory chips. The discovery enables the creation of smaller, more energy-efficient devices that consume less power and dissipate less energy.
Researchers discovered that irregularities between grains in the battery's electrolyte can accelerate failure by moving ions at varying speeds. Adjusting material processing techniques may help solve reliability problems with solid-state batteries.
A national collaboration will focus on creating durable and scalable soft semiconductor technologies for low-cost, highly efficient solar fuel production. Organic polymers offer 'exquisite control' over material properties, allowing for tunability and dynamic adjustment to maintain equilibrium.
Researchers at MIT have developed a new kind of battery using abundant and inexpensive materials, offering a potential solution for large-scale backup power systems. The battery's molten salt electrolyte has been shown to prevent dendrite shorting, a common reliability issue in lithium-ion batteries.
Researchers have developed new stable quantum batteries that can reliably store energy into electromagnetic fields. The micromaser system allows for efficient charging with protection against overcharging and preserves the stored energy's purity.
Researchers developed a machine learning algorithm that can predict how different driving patterns affect battery performance, improving safety and reliability. The algorithm uses non-invasive probing to provide a holistic view of battery health, suggesting routes and driving patterns that minimize degradation and charging times.
Researchers have designed superfast charging methods tailored to power different types of electric vehicle batteries in 10 minutes or less without harm. By incorporating charging data into machine learning analysis, the team identified and optimized new protocols that significantly increase energy storage while minimizing battery damage.
A projected shortage of sulfuric acid could stifle green technology advancement and threaten global food security. Researchers estimate a shortfall in annual supply between 100-320 million tonnes by 2040, depending on decarbonisation pace. Developing low-cost methods to extract elemental sulfur is crucial to mitigate the crisis.
MIT engineers create a flexible, semiconducting film that conforms to the skin like electronic Scotch tape, harnessing gallium nitride's piezoelectric properties for sensing and wireless communication. The device wirelessly transmits signals related to pulse, sweat, and UV exposure without chips or batteries.
Scientists at the University of Chicago discover a method to increase lithium selectivity in olivine iron phosphate using electrochemical intercalation. Seeding electrodes with lithium ions can repel unwanted elements, improving the efficiency of lithium extraction from dilute water resources.
Researchers at NUS developed a self-charging fabric-based 'battery' that can generate electricity from air moisture using sea salt as an absorbent. The device provides higher electrical output than conventional AA batteries and has long-lasting performance.
A team of scientists from the University of Illinois Chicago discovered that hydrogen ions, not zinc, cause damage to manganese dioxide in rechargeable aqueous zinc-manganese batteries. This finding challenges existing knowledge about the charging mechanism and opens up new strategies for improving battery sustainability.
Researchers from Tokyo University of Science create a metal–organic framework-based magnesium ion conductor showing superionic conductivity at room temperature, overcoming the limitations of magnesium ion-based energy devices. The novel Mg2+ electrolyte exhibits a high conductivity of 10−3 S cm−1, making it suitable for battery applica...
Researchers at Surrey's Advanced Technology Institute have developed a renewable and rechargeable battery prototype that can charge smart wearables in just seconds using sunlight. The system, which combines zinc-ion batteries with perovskite solar cells, enables wearables to operate continuously without plug-in charging.
A new paper battery that can be activated by adding a drop of water has been developed, using salt and zinc to generate electricity. The battery's performance decreased over time due to the paper drying out, but it showed promise for low-power electronics.
A water-activated disposable paper battery has been developed by Gustav Nyström and colleagues, which can power a wide range of low-power, single-use devices. The battery's performance is maintained by adding water, releasing charged ions that generate an electrical current.
The US Department of Energy has selected six new science and technology innovators to advance game-changing clean energy technologies through the Innovation Crossroads program. The startups will receive support from world-class experts and unique capabilities at Oak Ridge National Laboratory.
Researchers prepared lithiophilic aluminum oxide nanoparticles to enhance rigidity of carbon nanotube arrays, inhibiting dendrite growth and stabilizing the SEI film. The resulting battery exhibited enhanced redox kinetics and long cycle life.
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.
A joint research team proposes a dual-plating strategy to rapidly construct new zinc-bromine microbatteries with ultrahigh areal energy density and polarity-switchable functionality. The method eliminates the synthesis of active materials and avoids mass matching, resulting in record-high areal capacity and energy density.
The University of Jena has received €2.5M in funding from the European Research Council to advance its energy storage research, led by Prof. Dr Ulrich S. Schubert. The FutureBAT project aims to develop novel organic active materials for polymer-based redox flow batteries with improved capacity, efficiency, and sustainability.
Researchers at PNNL have developed a sodium-ion battery with greatly extended longevity in laboratory tests. The new electrolyte recipe stabilizes the protective film on the anode and generates an ultra-thin protective layer, providing long cycle life and stability. This technology has potential for applications in light-duty electric ...
A study found that pharmacogenomic testing can help providers avoid prescribing antidepressants with undesirable outcomes. The test, which analyzes genes related to drug metabolism, resulted in a significant improvement in depression symptoms compared to usual care.
Researchers have developed microsupercapacitors that can be integrated onto stone tiles, enabling high-performance and customizable power from natural building materials. The devices maintain a high energy storage capacity even after multiple charge-discharge cycles.
Researchers create micrometer-sized particles with modular structure and magnetic readout process, allowing tailored applications and non-real-time temperature tracking. The new temperature indicator stores maximum temperature reached in the past, suitable for tracing material temperature history.
A new distributed recycling system using microwave irradiation recovers 97% of manganese oxide and zinc from spent alkaline batteries, outperforming conventional methods. The system's potential to reduce annual energy consumption and greenhouse gas emissions in Japan is estimated at 26,500 GJ and 1.54 Gg-CO2 eq, respectively.
Researchers at the University of California San Diego have developed temperature-resilient lithium-ion batteries with high energy density, compatible with high-temperature operation. These batteries could enable electric vehicles to travel farther on a single charge in cold climates and reduce overheating in hot climates.
Researchers at Rensselaer Polytechnic Institute have made critical advances in nanostructures to improve battery performance. The team demonstrated that combining micro-particles with nanostructures can lead to longer battery life, faster charging times, and improved storage capacity.
Researchers at Binghamton University have developed a 'plug-and-play' biobattery that lasts for weeks using three bacteria in separate vertical chambers. The batteries can be stacked to improve output voltage and current, offering a solution for long-term power autonomy in remote locations.
Researchers developed a mathematical model that brings together physics and chemistry involved in dendrite formation, suggesting swapping new electrolytes with certain properties could slow or stop dendrite growth. The study aims to guide the design of lithium-metal batteries with longer life span.
Harvard researchers develop new method to extend the lifetime of organic molecules in organic aqueous flow batteries, improving their commercial viability. The approach works by periodically providing a shock to revive decomposed molecules, resulting in a net lifetime increase of up to 260 times.
Researchers discovered a 'volcano-shaped' relationship between polysulfide adsorption and catalytic activity in lithium-sulfur batteries. This finding modifies the long-standing principle that strong adsorption leads to good catalytic activity, suggesting catalysts should be designed separately to improve performance.
Researchers at the University at Buffalo have developed a new magnetic material that can help monitor the amount of charge left in lithium-ion batteries. By tracking changes in the material's magnetism, scientists can estimate the battery's state of charge.
Researchers at KTH Royal Institute of Technology have developed a thermoelectric coating that converts low-grade heat into electrical power, with potential to replace batteries in wearables and IoT devices. The coating can be applied to any surface that generates heat, enabling efficient energy harvesting.
Researchers at the University of Surrey have successfully increased the lifespan and stability of solid-state lithium-ion batteries. The new high-density batteries are less likely to short-circuit, addressing a common issue in previous models.
Scientists designed novel hard carbon anodes with controlled defects, pore structures, and cation doping to boost sodium storage capacity. The optimized materials showed improved rate capability, cycling stability, and energy density. Introducing potassium ions regulated the microstructure and surface functionality of the anodes.
University of Queensland scientists have discovered a way to make molecular switches work at room temperature, paving the way for more efficient and environmentally friendly technologies. This breakthrough could lead to advancements in MRI scans, sensors, carbon capture, and hydrogen fuel cells.
A new theory developed by researchers at the University of Chicago proves the existence of local equilibrium at interfaces, which are regions where materials interact and connect. This finding has significant implications for understanding and engineering systems with multiple components.
Researchers at Tohoku University have created a method to stabilize lithium or sodium depositions in rechargeable batteries, preventing degradation and short circuiting. This breakthrough paves the way for higher-energy-density metal-anode batteries with improved safety and performance.
Researchers at Oak Ridge National Laboratory have made significant advancements in recovering rare earth metals, developing safer batteries, and enhancing material properties through tailored molecules and advanced microscopy. These discoveries could lead to more efficient clean energy technologies and reduced carbon impacts.
Researchers at the Indian Institute of Science discovered that microscopic voids in lithium anodes cause dendrite formation in solid-state batteries. By adding a thin layer of refractory metals to the electrolyte surface, they delayed dendrite growth and extended battery life.
The Faraday Institution has awarded 16 small, focused projects to deliver transformative results in areas such as anodes, electrolytes, and flow batteries. The initiatives aim to strengthen the UK's position in electrochemical energy storage and contribute to industry competitiveness.
Researchers at NTU Singapore have developed a flexible and durable fabric that harnesses energy from human movements, providing a potential solution for wearable power sources. The fabric generates enough electricity to light up LEDs and charge capacitors, demonstrating its potential for use in smart textiles and wearable electronics.
Researchers discovered an electrolyte additive that protects nickel-rich layered cathodes from degradation and improves cycling performance. The additive forms a protective layer on the cathode, reducing transition metal loss and increasing energy density.