Articles tagged with Batteries
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Researchers from City University of Hong Kong have developed a novel, tiny device to observe liquid-phase electrochemical reactions in energy devices at nanoscale. The device enables real-time and high-resolution visualization of complex electrochemical processes.
Researchers at Beijing Institute of Technology have developed new cathode materials using borophene to overcome the limitations of traditional aluminum anodes. The study reveals that coordination with chlorine ions enhances electron transfer, leading to increased capacities and improved cycling performance.
Researchers at Stanford University have developed a new understanding of how nanoscale defects and mechanical stress cause solid electrolytes to fail. By studying over 60 experiments, they found that ceramics often contain tiny cracks on their surface, which can lead to short circuits during fast charging. The discovery could pave the ...
Researchers at RMIT University have developed a method to remove rust from nanomaterial MXene, extending its lifetime and making it suitable for recyclable batteries. The innovation uses high-frequency sound waves to restore the material's electrical conductivity, paving the way for up to three times longer battery life.
Researchers at the University of São Paulo developed a portable, flexible copper sensor that can detect heavy metals like lead and cadmium in sweat. The device is made from ordinary materials and is simple to produce, making it accessible for non-specialists and technicians.
Researchers at New York University captured extremely fast dynamics of water molecules moving around salt ions at a scale of over a trillion times per second. The findings allow for more reliable models of ion dynamics, which could improve rechargeable batteries and MRIs.
Researchers propose three protection strategies for lithium metal anode to improve Li–S battery cycling stability. The strategies aim to reduce polysulfide concentration, reaction activity, and enhance uniform plating/stripping of Li metal anode.
Researchers developed a novel, efficient, and low-cost strategy to eliminate surface impurity phases in layered nickel-rich materials. The use of acidic treatments with boric acid has been shown to improve the electrochemical performances and reduce capital costs.
Researchers at the University of Illinois have developed a novel design for powerful microbatteries that can power tiny devices with high voltage and energy density. The batteries, which are hermetically sealed and compact, use innovative packaging technology and dense electrodes to achieve unprecedented performance.
Researchers developed a novel way to store energy by transporting sand into abandoned underground mines, creating a long-term energy storage solution. The technology generates electricity when the price is high and stores it when cheap, making it an effective and cost-efficient alternative to traditional batteries.
A new form of thin-film device technology using alternative semiconductor materials could contribute to a more sustainable IoT. Wireless power harvesting from the environment using photovoltaic cells and RF energy harvesters is being explored.
A new low-tortuosity electrode design for LMO batteries improves lithium-ion diffusion, reduces concentration polarization, and alleviates irreversible phase transitions. This structure gives the battery excellent rate performance and cycling stability, making it a competitive cathode material.
A new study from the University of Portsmouth explores how to improve sustainable disposal of electronic waste. Researchers found that using metaphorical language, such as comparing battery pollution to Olympic swimming pools, increased recycling rates among consumers.
Researchers at Argonne National Laboratory develop a new method to create crystalline materials with two or more elements, yielding previously unknown compounds with exotic properties. The discovery has potential applications in superconductors, energy transmission, high-speed transportation, and energy-efficient microelectronics.
Researchers at the University of Central Florida have created a technology that converts radio frequency signals into direct current electricity, reducing the need for batteries in wireless systems. This innovation can help promote a more sustainable future by harnessing ambient energy from radio waves.
Researchers fabricated Li-S batteries with ultra-long cycle life over 2000 cycles via multifunctional separator design. The novel hollow and hierarchically porous Fe3O4 nanospheres effectively regulate LiPSs behavior, achieving high sulfur utilization and excellent electrochemical performances.
Researchers have successfully fabricated bifunctional flexible electrochromic supercapacitors using silver nanowire flexible transparent electrodes. The devices can exhibit color changes to display energy status, offering potential for smart windows and wearable electronics. With excellent stability and high areal capacitance, these fl...
Researchers developed a new concept system that improves stability and lifespan of next-generation batteries by turning liquid electrolyte into a dynamic state. This enables fast ion transport while reducing ion diffusion, promoting rapid and uniform transport of lithium ions and controlling dendrite formation.
Researchers at Binghamton University have developed ingestible biobatteries that utilize microbial fuel cells with spore-forming Bacillus subtilis bacteria to power sensors and Wi-Fi connections. The biobatteries can generate up to 100 microwatts per square centimeter of power density, enough for wireless transmission.
Researchers developed a novel separator using graphene oxide, acetylene black and polypropylene to suppress lithium polysulfide dissolution and improve lithium-ion transportation. The new separator enables efficient Li-S batteries with better performance and stability.
The study reveals that strong exothermic reactions between dendritic lithium and dissolved higher-order polysulfides drive the temperature rise of deeply cycled lithium-sulfur pouch cells. Inhibiting the polysulfide shuttle is essential to improve thermal safety.
Researchers at Brookhaven Lab and PNNL develop a new method to study the solid-electrolyte interphase in lithium metal batteries, revealing its convoluted chemistry. The team's findings provide a foundation for building more effective battery cells with higher energy density.
Researchers developed a new protective layer to stabilize Zn anode in aqueous Zn-ion batteries, improving cycling performance and lifespan. The NTP-C coated Zn electrode exhibits high corrosion potential, low nucleation overpotential, and stable cycling performance.
The new monochromator optics increase photon flux in the tender X-ray range by a factor of 100, allowing highly sensitive spectromicroscopic measurements with high resolutions. This enables data collection on nanoscale materials, such as catalytically active nanoparticles and modern microchip structures, for the first time.
The researchers have developed an AI algorithm called M3GNet that can predict the structure and dynamic properties of any material. The algorithm was used to create a database of over 31 million yet-to-be-synthesized materials with predicted properties, facilitating the discovery of new technological materials.
Charged porphyrins enable researchers to study π-electronic ion pairs and their interactions, leading to the creation of electronic materials with unique properties. The study reveals fascinating new properties of stacked ion pairs and their potential applications in fields like nanomagnetism and ferroelectrics.
Researchers at MIT discovered that mechanical stresses can prevent dendrites from forming in solid-state lithium batteries. The team developed a way to apply controlled pressure to divert the growth of dendrites, making lightweight batteries safer and more efficient.
The proposal aims to provide a central repository for battery test information, enabling researchers to use advanced data science methods to accelerate battery technology development. The availability of open-source information on batteries is limited, but the Battery Data Genome could help address this challenge.
Researchers have developed a new technology that can swiftly put brakes on an overheated Li-ion battery, shutting it down and preventing fires. The material, which uses thermally-responsive shape memory polymer, maintains high conductivity at normal temperatures.
Chung-Ang University researchers developed an energy-efficient adaptive directional charging algorithm that adapts to the density of sensor nodes. This approach achieved equal or better charging efficiency than single charging while reducing energy waste. The algorithm employs a mean-shift method and discretized charging strategy decis...
Engineers and chemists at the University of Illinois have combined electron microscopy and data mining to visualize chemical and physical alteration within ion batteries. The study reveals patterns of nucleation, growth, and coalescence that can inform the development of better rechargeable battery performance.
Researchers at MIT have developed a new approach to improve the energy density of nonrechargeable batteries, enabling up to a 50% increase in useful lifetime. The new design uses a fluorinated catholyte material that reduces dead weight and improves safety.
The introduction of fluoroethylene carbonate (FEC) into a poly(1,3-dioxolane)-based polymer electrolyte improves the performance of sodium metal batteries. FEC forms a passivation layer that inhibits side reactions between DOL and the Na metal, reducing interfacial resistance and improving battery overall performance.
A team of researchers at the University of Tokyo has discovered a new mechanism to stabilize lithium metal electrodes and electrolytes, leading to enhanced energy density. By introducing a compound called ferrocene into specific electrolyte systems, they achieved high Coulombic efficiency, a critical factor in battery cycle life.
Researchers created a thermally stable anatase material for sodium-ion batteries, overcoming key challenges of poor electron conductivity and ion diffusion. The material exhibits good rate performance and excellent cycling stability, with a reversible specific capacity of 228 mAh g−1.
A new study from Cornell University proposes an efficient bidding strategy for wireless charging roads to minimize energy costs. By predicting real-time electricity loads, the algorithm can forecast prices and availability, reducing the energy cost for operators while alleviating pressure on power grids.
Researchers have fabricated 2D Mn3O4 nanosheets with dominant (101) crystal planes on graphene as efficient oxygen catalysts for Li-O2 batteries. The catalysts achieved ultrahigh capacity and long-term stability, outperforming most Mn-based oxides.
Tracking lithium ion movement in real-time, researchers found uneven lithium storage in promising battery materials leads to reduced capacity and hindering performance. The discovery highlights a key reason why nickel-rich cathode materials lose around 10% of their capacity after the first charge-discharge cycle.
Researchers have discovered an innovative way to enhance the energy efficiency of metal-carbon dioxide batteries by introducing unconventional phase nanomaterials as catalysts. The novel design boosts battery energy efficiency up to 83.8%, contributing to carbon-neutral goals.
A new method was developed to create a three-dimensional composite lithium anode, addressing key challenges of high energy density and safety hazards. The technique uses thermal infusion and nanosheets to facilitate the infiltration of molten lithium into the composite structure.
Researchers develop new technique that charges EV battery in just 10 minutes, overcoming major drawbacks of slow recharge and large size. The technology relies on internal thermal modulation, enabling smaller, faster-charging batteries that cut down cost and critical raw material usage.
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.
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.
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 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.
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 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.
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.
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 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.
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.