Articles tagged with Electric Vehicles
Researchers have discovered a new type of pyrochlore-type oxyfluoride with high ionic conductivity and air stability, suitable for electric vehicles, airplanes, and miniaturization applications. The material exhibits low activation energy and operates within a wide temperature range.
eVTOL batteries require varying amounts of power for flight stages such as climbing, hovering and descent. Researchers developed new energy-dense materials and tested them against the current state-of-the-art version, showing improved performance.
Scientists have developed a functional binder for silicon oxide electrodes used in lithium-ion batteries, enhancing electrochemical performance and durability. The new binder outperforms conventional options, offering improved alternatives for electric vehicles.
A new study from the University of British Columbia found that driving an electric car is cheaper in some regions of Canada, such as Quebec and BC, than others, like Nunavut. The researchers analyzed factors like tax rebates, charging costs, and electricity prices to determine the break-even point for electric cars.
Researchers at KTH Royal Institute of Technology developed an open-source AI solution to address voltage fluctuations in power grids caused by renewable energy and electric vehicles. The DRL algorithms optimize large-scale coordination of energy sources safely under fast fluctuations.
Researchers at Aston University will explore gel electrolyte materials to improve lithium-ion batteries' safety and environmental sustainability. The project aims to replace harmful components with renewable ionogels, addressing the need for scalable methods of storing electrical energy.
A team of researchers at Kyushu University found that Japan's current policy may not be enough to reduce CO2 emissions and achieve decarbonization goals. To address this, the government must extend vehicle longevity, invest in a cleaner energy mix, and decarbonize the supply chain.
Researchers at Stanford University have discovered that resting lithium metal batteries in the discharged state can restore capacity and boost overall performance. By reprogramming the battery management software, lost capacity can be recovered without additional cost or changes needed for equipment, materials, or production flow.
Researchers successfully improved lithium metal battery charging rates by adding a cesium nitrate compound, while maintaining long cycle life. The new findings challenge conventional beliefs about effective interphase components and contribute to the development of high-energy density batteries.
Researchers developed a graft polymerization technique to create thermally stable and long-lasting lithium-ion batteries by improving separator performance. The new method outperforms other coating methods in cell performance, showing promise for creating high-safety lithium batteries.
Researchers at Cornell University have developed a new lithium battery that can charge in under five minutes while maintaining stable performance over extended cycles. The breakthrough could alleviate range anxiety among drivers who worry about electric vehicle charging time.
The UK is heavily exposed to the electric vehicle (EV) revolution due to its critical dependency on battery imports, with imports exceeding exports by 10.5 times. The Aston University report outlines a four-point plan to fortify the UK's presence in the global EV market.
University of Waterloo researchers investigate how fuel cell-powered trucks can replenish overworked electricity grids with clean energy. The study proposes a mobile generator system, where idled electric vehicles act as power sources, reducing peak demand and carbon emissions.
The Internet-of-Batteries (IoB) system utilizes IoT principles to gather data from EV batteries, analyzing health and performance, identifying faults, and optimizing usage. Machine learning approaches enhance decision-making for improved battery performance, increased range, and reduced costs.
Researchers at NREL found a correlation between electric vehicle ownership and the adoption of solar panels, with EV owners more likely to invest in photovoltaics. The study suggests that the two technologies have complementary nature, playing a pivotal role in energy systems resiliency.
Researchers have developed a new solid state battery design that can be charged and discharged over 6,000 times, with the ability to recharge in just 10 minutes. The breakthrough uses micron-sized silicon particles to constrict the lithiation reaction and facilitate homogeneous plating of lithium metal.
A new method for desalinating seawater using hydrate-based desalination technology has been developed, offering a low-energy solution for producing freshwater. The research team calculated optimal temperatures for enhanced efficiency, with maximum water yields reaching up to 67% in certain brine concentrations.
Researchers propose optimising campus solar PV system to support over 200 electric vehicles with free or nominal charging facilities. This could reduce annual electricity costs by more than 9% while helping lower peak power demand by at least 12%.
A study by researchers from the University of Münster found that China will be able to meet its demand for primary lithium for electric vehicles through recycling as early as 2059, while Europe and the US will not achieve this until after 2070. Recycling is also expected to ensure China's need for cobalt by 2045 and nickel by 2046.
The project aims to develop an AI-powered decision engine that delivers increased battery longevity and accelerates time-to-market for electric vehicles. The technology combines high-fidelity electrochemical models with edge and AI-powered cloud platforms to predict state-of-charge, health, and remaining useful life.
The global EV battery industry is projected to exceed 600 MtCO2eq in emissions by 2050, mainly due to energy-intensive mining and refining processes. Shifting to less CO2-intensive battery chemistries like LFP could reduce emissions by 20%.
Researchers at Tokyo University of Science developed nanostructured hard carbon electrodes using inorganic zinc-based compounds, which deliver unprecedented performance and significantly increase the capacity of sodium- and potassium-ion batteries. The new electrodes improve energy density by 1.6 times compared to existing technologies.
The joint team developed a Fire & Explosion Management System (FXMS) using Digital Twin technology, offering high-accuracy real-time monitoring and predictions of battery conditions up to five years. The technology can extend the lifespan of lithium-ion batteries by over 50%, reducing carbon emission through reduced battery waste.
A large study of used cars and SUVs found battery electric vehicles driven almost 4,500 fewer miles than gas cars annually. This challenges current assumptions about emissions savings from EVs, highlighting the need for better understanding of driver behavior to accurately predict emissions reductions.
A UNIGE team has developed a super-model to simulate the spread of three green technologies in Swiss municipalities by 2050. The results show that Switzerland is unlikely to achieve zero net carbon emissions by 2050 without significant policy changes, highlighting the need for increased efforts and updated policies.
Researchers have developed a novel chloride-based solid electrolyte with exceptional ionic conductivity, addressing material limitations that hindered previous attempts. This breakthrough is expected to pave the way for commercialization of solid-state batteries, promising improved affordability and safety.
A new polymer binder is introduced to address durability issues in dual-ion batteries. The binder features azide and acrylate groups, which enhance the structural integrity of graphite during charge and discharge cycles. Dual-ion batteries equipped with this binder demonstrate exceptional performance, even after 3,500 recharge cycles.
A University of Texas at Dallas researcher aims to accelerate electric vehicle charging times by modifying lithium-ion battery structure to reduce charging time from hours to minutes. The goal is to increase adoption of electric vehicles and reduce carbon dioxide emissions and greenhouse gases.
The IISc team developed a fully indigenous GaN power switch, comparable to state-of-the-art switches, with a switching time of about 50 nanoseconds. The device's performance is suitable for applications such as power converters for electric vehicles and laptops, as well as wireless communications.
The University of Texas at Dallas will develop and commercialize new battery technologies, enhance domestic raw material availability, and train workers for the expanding battery industry. The Energy Storage Systems Campus will leverage $200 million in private capital.
Researchers have devised an efficient method of recovering high-purity silicon from expired solar panels, which can help meet the increasing global demand for electric vehicles. The new extraction method using phosphoric acid achieved a recovery rate of 98.9% and purity of 99.2%, comparable to existing methods.
A new study led by Dr. Xuekun Lu has found a way to prevent lithium plating in electric vehicle batteries, which could lead to faster charging times and improve the battery's energy density. The research also reveals that refining the microstructure of the graphite electrode can minimize the risk of lithium plating.
A new study by Edith Cowan University has discovered zinc-air batteries as a superior alternative to lithium-ion, offering low costs, environmental benefits, and high theoretical energy density. The breakthrough redesigns the batteries using natural resources like zinc from Australia and air, enhancing their viability for sustainable e...
Researchers at Worcester Polytechnic Institute discovered a new redox chemistry empowered by chloride ions for the development of seawater green batteries. This technology leverages abundant elements such as iron oxides and hydroxides, potentially repurposing iron rust waste materials for modern energy storage.
Scientists have synthesized proton-conductive membranes based on partially fluorinated aromatic ionomers, which exhibit high durability and ion conductivity. These membranes outperform existing ones in fuel-cell operation, chemical stability, and mechanical properties, paving the way for more powerful and affordable electric vehicles.
The research uses paraffin wax-filled tubes to absorb impact and heat, protecting nearby battery cells from damage. The design improves the safety and reliability of electric vehicles by minimizing potential damage from crashes or thermal issues.
Researchers at Georgia Institute of Technology have developed a new type of battery using aluminum foil that shows promising performance for safer, cheaper, and more powerful batteries. The batteries have higher energy density and greater stability than conventional lithium-ion batteries.
A team of researchers has designed an all-season thermal cloak that can cool electric vehicles by 8°C on hot days and warm them by 6.8°C at night without any external energy input. The cloak works through radiative cooling, using an effect called photon recycling to counteract temperature fluctuations during winter months.
Researchers at Nagoya University developed a nanosheet device with the highest energy storage performance yet seen. The device achieved a 1-2 orders of magnitude higher energy density while maintaining high output density and stability over multiple cycles.
Scientists at Argonne National Laboratory discovered a new fluoride electrolyte that can protect lithium metal batteries against performance decline. The electrolyte maintains a robust protective layer on the anode surface for hundreds of cycles, enabling the battery to last longer.
Researchers at University of Nebraska-Lincoln are working on safeguarding US military base entry points against EV threats, focusing on high-speed ramming and zero-to-60 acceleration. The team will employ digital simulations and physical crash tests to refine barriers designed to withstand such impacts.
Researchers developed a new anode material that increases lithium-ion battery storage capacity by 1.5 times, allowing for fast charging in as little as six minutes. The innovation uses electron spin to enhance storage capacity and ferromagnetic properties.
Researchers found that electric rideshare fleets can significantly reduce greenhouse gas emissions, but may also increase air pollution and traffic problems. The study used real-world data from Chicago to simulate the impacts of electrification.
A new study estimates that the overall benefits of switching ride-hailing vehicles from gasoline to electric would be very modest, with a 3% gain per trip. The study found that traffic-related factors, such as congestion and crash risk, dominate societal costs, outweighing emissions reductions.
Researchers used X-ray computed tomography to visualize dendrite failure in unprecedented detail, revealing separate processes driving initiation and propagation of cracks. The findings point to overcoming technological challenges of lithium metal solid-state batteries, which could improve EV battery range, safety, and performance.
Researchers at Oak Ridge National Laboratory discovered a method to press solid electrolytes, eliminating air pockets that block ion flow and increasing conductivity by nearly 1,000 times. This breakthrough enables unprecedented control over internal structure, paving the way for industrial-scale processing and more reliable batteries.
Recent adoption of EVs driven by technological advances, such as increased battery range and faster charging. Improvements have made EVs an attractive option alongside gas-powered cars.
Research suggests that windshield washer fluid is a significant source of vehicle-derived pollutants, including volatile organic compounds (VOCs), which can contribute to ozone formation. The study found that the levels of these non-fuel-derived gases will likely remain unchanged even as drivers transition to electric vehicles.
Researchers at Chalmers University of Technology show that electrifying heavy goods vehicles can be profitable, even for long-distance trips. The study compared two battery sizes and fast charging prices, concluding that electricity is a cheaper alternative to diesel in many cases.
A team at Tohoku University has created a prototype calcium metal rechargeable battery that can handle 500 cycles of charging and discharging. The breakthrough employs a copper sulfide-based cathode and hydride-type electrolyte, demonstrating high stability and performance.
Researchers at Duke University have discovered a class of compounds called argyrodites that could lead to the development of safer and more efficient solid-state batteries. The materials' unique crystalline structures allow for fast ion conduction, making them promising candidates for energy storage applications.
Researchers have developed a solvent-free process to manufacture lithium-ion battery electrodes that are greener and cheaper than traditional methods. The new process produces electrodes that can charge faster, with a capacity of 78% in just 20 minutes.
Researchers suggest sharing smaller, lightweight EVs to manage resource use in EV batteries. They found that reducing material supply risks requires systemic approaches and investments in new battery technologies.
A new fluorine-containing electrolyte has been developed to perform well in sub-zero temperatures, addressing the issue of cold weather affecting electric vehicle battery effectiveness. The research demonstrates how to tailor the atomic structure of electrolytes for low-temperature applications.
A study found that Chinese electric vehicles (EVs) create up to 53% less emissions over their full life cycle than internal combustion engine vehicles by 2030. Increased operating efficiency and a cleaner electricity mix are key drivers of these reductions.
Researchers are working to develop battery cells that can be easily recycled, reducing the environmental impact of electric cars. The goal is to unlock the full potential of electric vehicles by reusing valuable materials in batteries.
A recent analysis of California's Clean Vehicle Rebate Project reveals that electric vehicles primarily reduce air pollution in affluent, white neighborhoods. However, the benefits of cleaner transportation are largely absent from disadvantaged communities, highlighting concerns about environmental justice.
Researchers at EPFL have developed a novel imaging technique using cryogenic transmission electron tomography and deep learning to visualize the nanostructure of platinum catalyst layers in fuel cells. This breakthrough reveals the heterogenous thickness of ionomer, a crucial component that influences catalyst performance.
The WVU SMARTER center aims to improve mobility in rural areas through self-driving cars, ride-sharing services, and bike sharing. The center will develop infrastructure and technology barriers to ensure accessibility for all people.
The new manufacturing process produces lightweight aluminum vehicle parts that lower costs and are more environmentally friendly. Researchers have shown that the Shear Assisted Processing and Extrusion (ShAPE) process can break up metal impurities in scrap without requiring an energy-intensive heat treatment step.