Articles tagged with Batteries
A team of researchers at Istituto Italiano di Tecnologia has developed a totally edible and rechargeable battery cell, utilizing riboflavin and quercetin as anode and cathode. The battery can provide current for small electronic devices and may have applications in health diagnostics, food quality monitoring, and edible soft robotics.
The increasing adoption of electric vehicles will significantly raise the global demand for battery-grade critical metals, leading to supply chain disruptions. By mid-century, the need for lithium could more than double, while nickel demand is expected to eclipse other critical metals.
Researchers have developed a new design of cathode materials in Li-Cl2 batteries, achieving high specific capacities of up to 2000 mAh/g and stable performance for over 500 cycles. The use of NH2-functionalized MOFs enhances the redox reaction kinetics and improves low-temperature stability.
Researchers at Drexel University have developed a new method that combines UV-visible spectroscopy with cyclic voltammetry to track ion movement in batteries and supercapacitors. This breakthrough could lead to the design of higher performing energy storage devices.
Researchers developed a new technique to make solid-state electrolytes safer and more efficient for solid-state batteries, addressing the dendrite growth problem. The new approach creates a barrier layer that slows down dendrite growth and promotes their quick elimination, making the battery safer and more reliable.
Researchers at IISc have developed a novel ultramicro supercapacitor with enhanced electrochemical capacitance, exceeding 3000% increase in capacitance under certain conditions. The device uses Field Effect Transistors as charge collectors and solid gel electrolyte for improved electron mobility.
A new mechanochemical recycling method recovers up to 70 percent of lithium from battery waste, making it inexpensive, energy-efficient, and environmentally compatible. The method uses aluminum as a reducing agent and can be applied to various cathode materials.
The research demonstrates that low concentration ether-based electrolyte can successfully endure the long-term high voltage operation of practical LMB. The findings show that regulating solvation structure and adjusting surficial electric double layer can prevent degradation and improve performance.
Researchers from the University of Illinois have developed a new theory that explains how convection occurs inside reactive porous media, shedding light on mass and heat transfer principles. The theory introduces a spectral Sherwood number and extends Newton's law of cooling for convection heat transfer to transient conditions.
Researchers found that strategically placing charging stations, especially at workplaces and in delayed home settings, can reduce peak electricity demand, store solar energy, and conveniently meet drivers' needs. This approach could help minimize the strain on the grid and avoid costly new power plants.
Researchers pioneered a technique to observe the 3D internal structure of rechargeable batteries, enabling direct observation of the solid electric interface (SEI) and its progression. The study reveals key predictors of SEI layer formation in a complex interplay of molecular dimensions, surface properties, and solvent interactions.
Researchers have used crab shells to create anode materials for sodium-ion batteries, which could lead to more sustainable battery technologies. The team found that the porous structure of the crab carbon provided a large surface area, enhancing its conductivity and ability to transport ions efficiently.
The new technique allows for the production of a dozen different soft polymer material morphologies, including ribbons, nanoscale sheets, rods, and branched particles. By precisely controlling three sets of parameters during manufacturing, researchers can fine-tune the morphology of polymeric materials at the micro- and nano-scale.
A team from Chalmers University of Technology has developed a method to observe the formation of lithium microstructures in real-time using X-ray tomographic microscopy. This breakthrough aims to improve the safety and capacity of lithium metal batteries, which could replace traditional lithium-ion batteries in the future.
Researchers have developed a new approach to correlative atomic force microscopy, allowing for the simultaneous measurement of electrocatalyst properties. This study focuses on nanostructured copper-gold electrocatalysts and provides insights into catalyst-electrolyte interfaces, enabling targeted optimization.
Researchers designed a heterostructured interface for Zn batteries with ultrahigh areal capacity and energy density. The new design stabilizes electrodeposition and dissolution of Zn at high capacities, enabling excellent cycling stability.
The Inflation Reduction Act's target for domestic EV battery mineral extraction is achievable for some plug-in hybrid vehicles but poses significant challenges for fully electric vehicles. A mass-based standard could reduce uncertainty and incentivize production of high-value minerals domestically.
A team of researchers from the University of Science and Technology of China has renewed our understanding of lithium-carbon dioxide (Li-CO2) battery operating voltages. They found that Li-CO2 batteries operate at about 1.1 V, contrary to previous reports of 2.6 V.
A new Argonne study compares drone energy usage to diesel trucks and electric vehicles, finding that drones consume as much energy as either on average windy days. The models are based on regional energy consumption and facility costs of direct delivery drones under various wind speed scenarios.
Researchers analyze current state of solid-state battery technology, identifying key challenges such as developing solid electrolytes and anode materials. The study concludes that new approaches in material research are necessary to overcome these hurdles and achieve commercialization.
A Berkeley Lab-led team has designed a new type of solid electrolyte consisting of a mix of various metal elements, resulting in a more conductive and less dependent material. The new design could advance solid-state batteries with high energy density and superior safety, potentially overcoming long-standing challenges.
A study by University of Delaware researchers found that electric vehicles (EVs) with smaller batteries, combined with community charging, can meet the driving needs of a diverse range of drivers. The study analyzed data from 333 gasoline-fueled cars and modeled the ability of EVs to handle similar trips.
Researchers at Oak Ridge National Laboratory have discovered that hydrogen atoms play a crucial role in twisting iron, enabling more efficient chemical reactions. Additionally, the lab has developed technology to reuse old electric vehicle batteries as energy storage systems for the grid, reducing pollution and carbon emissions.
Researchers designed unique NiS2/FeS heterostructures to address sodium-ion battery drawbacks, exhibiting improved high-rate performance and cycling stability. DFT calculations confirmed the enhanced performance due to the strong internal electric field at the interface.
Researchers developed an operando reflection interference microscope to study lithium-ion batteries. The microscope provides critical insight into the working mechanism of the solid electrolyte interphase layer, a key component in determining battery performance.
Researchers have made progress toward fast-charging lithium-metal batteries by growing uniform lithium crystals on a lithiophobic nanocomposite surface. This approach enables charging in about an hour, competitive with today's lithium-ion batteries and overcoming a significant roadblock to widespread use.
Researchers developed a new molten salt battery design using sodium and aluminum that can charge and discharge faster, operate at lower temperatures, and maintain excellent energy storage capacity. The battery's specific energy density could reach up to 100 Wh/kg, making it a promising solution for 10-plus hours of energy storage.
Researchers developed an elastic material using liquid metal that resists both gases and liquids, offering a trade-off between elasticity and gas resistance. The material, created with gallium-indium alloy, has been tested to prevent the escape of oxygen and liquids, showing promising potential for use in high-value tech packaging
Assistant Professor Mohammad Asadi has published a paper in Science describing the chemistry behind his novel lithium-air battery design, which could store one kilowatt-hour per kilogram or higher. This breakthrough technology has the potential to revolutionize heavy-duty vehicles such as airplanes, trains, and submarines.
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 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.
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.
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.
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.
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 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 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 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 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.
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 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.
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.
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...
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.
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.