Articles tagged with Batteries
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Researchers have developed a new supercapacitor that combines high power density and energy density, enabling fast charging and long runtime. The device can be bent to 180 degrees without compromising performance, making it ideal for wearable electronics and electric vehicles.
A team of researchers used a virtual unrolling technique to analyze a lithium battery's electrode layers, revealing unseen trends in performance degradation. By combining X-ray and neutron tomography with a mathematical model, the team gained a fuller understanding of how the battery works and how it degrades over time.
A team of researchers investigated electrode surfaces during charging and discharging using X-ray and neutron tomography methods. They found deformations, discontinuities, and areas with low electrolyte levels that affect battery performance. The analysis allows for the development of strategies to improve lithium battery design.
A new study reveals that controlling structural defects in cathode materials can enhance battery performance by allowing lithium ions and electrons to move in three dimensions across layers. High-precision powder diffraction analyses achieved unprecedented accuracy in measuring defect concentrations.
Michigan Tech engineers focus on lithium's unique mechanics at small scales to address battery defects. They find that at tiny lengths, lithium is much stronger than at macroscopic scales, relying on diffusion instead of dislocation motion to relieve stress.
Researchers are exploring seawater-based Na-ion batteries as a potential alternative to lithium ion batteries. A new study investigated electrode materials that increase voltage, capacity, and wattage. The development of these batteries could alleviate concerns around cobalt mining and reduce costs.
Researchers have created an ultra-thin ion-conducting membrane with high selectivity and conductivity, which can boost the power of flow batteries. The membrane overcomes the trade-off between ion selectivity and conductivity, resulting in improved flow battery performance.
A new study by NIMS researchers reveals that a Si anode composed of commercial Si nanoparticles in solid electrolytes exhibits excellent electrode performance, approaching that of film electrodes. This breakthrough enables low-cost and large-scale production of high-capacity anodes for all-solid-state Li batteries.
Researchers have proposed new concepts for in situ formed and artificial SEIs to fundamentally modulate the electrochemical characteristics of zinc. The interfacial design enables reversible and dendrite-free Zn plating/stripping, resulting in excellent cycling stability with negligible capacity loss.
Researchers from POSTECH have successfully developed a flexible battery with thin and three-dimensional organic electrode, increasing energy density by four times. The new technology uses a three-dimensional copper collector to lower the weight of a battery by 10 times more than conventional copper collectors.
The collaboration supports a four-year PhD programme to improve Li-S battery cycle life, funded by EPSRC and Swansea University. The partnership aims to promote Wales as a leading commercial production site for lithium sulfur cells.
Argonne researchers used a machine learning algorithm to relate known molecular structures to larger data sets, reducing computational costs while maintaining precision. The approach improved the accuracy of predictions about battery electrolyte candidates, enabling scientists to identify potential materials for next-generation batteries.
Scientists have developed a novel polymer binder with single lithium-ion channels that effectively immobilizes polysulfide intermediates, maintaining the structure integrity of sulfide cathodes. The binder improves Li-S battery performance by increasing energy density and capacity retention.
A new theory by Assistant Professor Kyle Smith predicts how fluid flow affects molecule reaction at porous electrode surfaces in redox flow batteries. The research enables prediction of mass transfer coefficients based on microscopic pore structure, enabling engineers to design optimal structures.
Researchers from Peter the Great St.Petersburg Polytechnic University have successfully printed electrodes for miniature li-ion batteries using an inkjet printer. The proposed technological approach utilizes a lithium and manganese-enriched cathode material, which can lead to further miniaturization of these power supplies.
A new power-saving chip developed by UC San Diego engineers significantly reduces the need to replace batteries in IoT devices and wearables. The wake-up receiver wakes up devices only when necessary, allowing for reduced power use and increased battery life.
Researchers develop a versatile yet affordable battery membrane technology using AquaPIMs, enabling long-lasting and low-cost grid batteries. The new membrane reduces costs by eliminating expensive fluorinated polymer membranes, making flow batteries more viable for widespread adoption.
A team led by Chongmin Wang at the Pacific Northwest National Laboratory found that certain compounds in the electrolyte prompt the growth of dendrites and whiskers. By manipulating the battery's ingredients, they hope to prevent their growth and eliminate a major obstacle to widespread use of lithium metal batteries.
Researchers build robots entirely from smaller robots called smarticles to unlock a new locomotion technique, enabling movement in response to stimuli. The supersmarticle, formed by five smarticles, can navigate mazes and change shape on demand.
A new study found that mobile technology alters how people view the outside world based on battery life and charging points. Battery icons shape daily activities and user identities, with full batteries linked to feelings of positivity and control, while low batteries induce anxiety and discomfort. The research reveals a strong social ...
Researchers developed a single-layer separator using bacterial cellulose nanofiber, achieving 80% capacity retention after 1,000 cycles. The new separator's cycle-life is superior to commercial multilayer separators with a more sustainable manufacturing process.
Acetic acid irrigation after button battery removal may prevent continued tissue injury and long-term complications in children. A recent study found that irrigation with dilute sterile vinegar, 0.25% acetic acid, improved mucosal appearance and prevented esophageal complications.
Researchers propose atom-to-atom strategy to address electrode-electrolyte contact issue in solid-state Li batteries. By creating epitaxial interfaces, they achieve intimate contact between solid electrolytes and electrodes, resulting in improved rate performances and energy density.
Researchers have developed a new electrolyte regulation strategy for Li-O2 batteries using hydrophobic silica colloidal particles. The strategy prevents lithium dendrite growth and corrosion, achieving a 980-times better anticorrosion effect and stable long-life electrochemical performance.
Researchers from NUST MISIS have successfully turned hogweed into a material for supercapacitors, demonstrating its potential as a sustainable alternative for energy storage. The processing technology involves treating the plant stems with hydrochloric acid and carbon dioxide to create a porous structure suitable for electrodes.
Binghamton University has acquired a $1.75 million HArd X-ray Photoelectron Spectroscopy system, the third of its kind worldwide and first outside Europe. This HAXPES system allows researchers to analyze materials without disassembling them, providing detailed information about chemical and electronic structures.
A new rechargeable CCNY aqueous battery has been developed with a voltage of 2.45-2.8V, exceeding the 2 V barrier in aqueous zinc chemistry. The alkaline MnO2|Zn battery is expected to break the dominance of flammable and expensive lithium-ion batteries.
The Stanford group's battery captures blue energy by releasing sodium and chloride ions, then reincorporating them through rapid wastewater and seawater exchanges. The technology has shown 97% effectiveness in capturing salinity gradient energy over 180 cycles.
Researchers at Tokyo Tech create sensitized thermal cells (STCs) that can generate electric power using the Earth's crust heat. The team found that the battery can recharge itself when opened, making geothermal energy a promising renewable source.
Researchers from UCLouvain have discovered a new material, LiTi2(PS4)3 or LTPS, which shows the highest lithium diffusion coefficient ever measured in a solid. This discovery is an important step towards developing all-solid-state batteries with improved performance.
Researchers developed a scalable method for fabricating planar zinc-manganese oxide (Zn//MnO2) batteries, which deliver high volumetric capacity and notable energy density. The batteries also exhibit long-term cyclability and flexibility without capacity decay.
Scientists at Tokyo Tech developed a novel material, Ti2InB2, for synthesizing layered TiB using a clever search strategy. The discovery expands the application of MAX phases in lithium-ion batteries.
Researchers have discovered how to rejuvenate organic anthraquinone molecules that decompose over time, extending the lifetime of an organic flow battery by at least a factor of 40. By exposing the molecule to oxygen and avoiding overcharging, the researchers were able to recover up to 70% of lost capacity.
Research found that button batteries can cause gastric wall perforation and erosive injuries in 60% of cases, regardless of symptom presence or passage time. Clinicians should consider removing batteries promptly to avoid repeated ER visits and imaging.
Researchers developed a wearable patch that cools or warms a user's skin to a comfortable temperature, reducing the need for heating and cooling systems. The patch is powered by a flexible battery pack and can be integrated into clothing, promising to save energy on personal thermal comfort.
Researchers at DGIST created a single-layer graphene-based device that can generate and store power, with maximum transparency of 77.4%. The device also features touch-sensing systems and can be self-charged and stored.
A new study outlines a roadmap for expanding Stanford's energy system innovations to other campuses, maximizing purchases of electricity during renewable power hours and reducing carbon emissions. Thermal storage tanks offer an affordable alternative to traditional batteries, with costs about 15% lower.
The team's artificial synapse is similar to a battery, emulating how learning is wired in the brain, and processes data in one action. The prototype array outperformed expectations with high speed, energy efficiency, reproducibility and durability, paving the way for small devices to support artificially intelligent learning.
A team of researchers has developed a mathematical model to calculate the cost - time and energy - to complete a task based on the number of drones and recharging stations available. The model considers the energy required for each drone to complete its portion of the task and fly to a charging station as needed.
Researchers at Berkeley Lab have created an all-liquid device that can be reconfigured to carry out complex chemical reactions. The device uses 3D printing and can automate tasks such as catalyst placement, bridge building, and reaction sequences.
Researchers at MIT have created liquid-impregnated surfaces that can significantly reduce friction for yield-stress fluids like gels and pastes. These coatings enable the efficient processing of materials in industries such as food, cosmetics, and pharmaceuticals, reducing waste and improving product quality.
Columbia engineers develop a nano-coating of boron nitride to stabilize solid electrolytes in lithium metal batteries, increasing battery life while ensuring safety. The new method achieves record-thin protection layers without lowering energy density.
Researchers have developed a novel strategy for synthesizing non-precious metal catalysts for zinc-air batteries, achieving high electroactivity in neutral electrolytes. The resulting zinc-air battery exhibits superior discharge performance and stability.
A new study found that foreign body ingestions among children under six increased by 91.5% between 1995 and 2015, with coins being the most common item ingested. The rate of ingestions per 10,000 children rose from 9.5 in 1995 to 18 in 2015.
Researchers at University of Illinois Chicago found that graphene coating can reduce lithium battery fires by preventing oxygen release from cathode decomposition. The coating showed significant reduction in oxygen release under high heat, maintaining battery performance even after rapid cycling.
A recent study at the University of Illinois examined the energy lifecycle of fuel/battery configurations to yield greatest reductions in carbon dioxide emissions. The most feasible configuration was a propulsion system with 50% electrical-power drivetrain, estimated to produce 49.6% less lifecycle CO2 emissions.
Researchers have developed special light harvesters that can convert ambient indoor lighting into usable energy, potentially powering wireless devices in homes and offices. The technology uses organic photovoltaics to optimize the use of artificial room lighting, which is abundant but often underutilized.
Researchers have found a way to improve LiCoO2 cathode performance in Li-ion batteries by decorating it with BaTiO3 nanodots. The team discovered that the BTO dots create a special interface for Li ions to circulate easily, leading to improved stability and discharge capacity.
Researchers at Penn State have developed a novel solid-electrolyte interphase (SEI) to improve the stability of lithium metal batteries, allowing for increased energy density and safety. The SEI is made from a reactive polymer composite that creates a stable bond between the lithium electrode and electrolyte.
A team of researchers has discovered a rare double helix structure in the high-strength polymer PBDT, which could enable the creation of lightweight aerospace materials. The polymer's supreme rigidity and low processing cost make it an attractive alternative to conventional fillers.
Researchers have developed a motion-powered, fireproof sensor that can track the movements of firefighters and others in high-risk environments. The sensor generates power through triboelectric charging and has been successfully tested at temperatures up to 300C.
A large-scale research initiative called Battery 2030+ aims to invent the batteries of the future, providing European industry with cutting-edge technologies. The project will focus on establishing an acceleration platform for discovering new battery materials using machine learning and artificial intelligence.
Researchers at Scripps Research Institute create a battery-like system to manufacture medicines, avoiding safety risks and increasing versatility. They use additives from lithium-ion battery manufacturing to conduct reductive electrochemistry safely and efficiently.
Scientists have designed a pacemaker that harnesses the energy of heartbeats to regulate heart rhythm. The device was successfully tested in pigs and shows promise for creating a self-powered cardiac pacemaker.
Rice University researchers have created a new method to detect and mitigate lithium dendrite growth, which can cause battery failure. A layer of red phosphorus acts as a signal to shut down charging when dendrites approach the separator.
Researchers used X-rays to study lithium ion transport in batteries, revealing how fast charging causes lithium plating and reduces battery performance. The study aims to improve fast-charging technologies for electric vehicles.
A team of engineers at Dartmouth College has developed a dime-sized invention that converts the kinetic energy of the heart into electricity, powering implantable devices like pacemakers and defibrillators. The new technology could potentially replace batteries with surgery, reducing complications and costs.
Researchers develop flexible, inexpensive material to convert Wi-Fi signals into electricity. The new device can power large-area electronics, wearables, medical devices, and more with a maximum output efficiency of 40 percent.
Researchers have discovered a new class of polymer that can store and exchange electrons, leading to faster charging times for batteries. The organic radical polymers' unique structure allows rapid charge transfer during redox reactions.
A team of researchers has found that diffusion may not be necessary to transport ionic charges inside a hydrated solid-state structure of a battery electrode. This discovery could lead to new design principles for electrodes and potentially improve the energy density and cycle life of high-power batteries.