Articles tagged with Electric Vehicles
KAUST researchers applied statistical geometry to study the impact of wireless charging roads on driver behavior and city planning. They found that drivers would have an 80% chance of encountering a charging road after driving 500 meters when installed on 20% of roads.
A new class of nickel-iron-aluminum-based cathodes shows promise as a substitute for cobalt-based cathodes in lithium-ion batteries. The NFA class delivers high specific capacities and can be integrated into existing manufacturing processes, making them potentially cost-effective and sustainable.
Researchers at Incheon National University developed a novel control strategy to optimize current delivery in multi-Tx wireless charging, enabling real-time adjustment and maximizing efficiency. This breakthrough can improve the performance of robots and electric cars by reducing battery size and weight.
A University of Central Florida researcher has created a new technique to keep lithium-ion batteries from degrading over time. The method involves applying a thin film-like coating of copper and tin to the anode, significantly reducing degradation by more than 1,000 percent.
Researchers have developed an engineered electrode material that enables high-capacity Lithium-ion batteries with fast-charging capabilities. The material, combining black phosphorus and graphite, shows improved stability and efficiency, restoring 80% of its full capacity in under 10 minutes.
A new study published in Nature Climate Change estimates that meeting UN climate targets would require up to 90% of US passenger vehicles to be electric by 2050. The researchers found that a fleet of 350 million EVs would increase electricity demand by 41%, posing significant technological and infrastructure challenges.
Scientists at Oak Ridge National Laboratory created a composite material that increases electrical current capacity of copper wires, enabling more efficient electric vehicle traction motors. The new material can be scaled for use in ultra-efficient devices with improved performance and reduced cost.
UD Prof. Koffi Pierre Yao receives a $1 million grant to create a next-generation battery that will power devices longer, making them more affordable and accessible. The new anode material can store up to 10 times the energy of current batteries.
A new algorithm developed by Stanford University scientists can accurately predict the remaining storage capacity and charge level of lithium-ion batteries in real-time. This innovation has the potential to enable smaller battery packs and greater driving ranges in electric vehicles, reducing costs and environmental impact.
Maestro, a predictive software developed by CSEM, analyzes weather forecasts and data from local infrastructure to determine the best time to consume energy. The system can reduce heating costs by approximately 20% and is designed to keep costs down, making it suitable for individual homes and entire neighborhoods.
A Berkeley Lab study finds that California's winter precipitation will become 50% more variable by 2100, affecting agriculture, flood control, and water resource management. The MJO, a global rainfall pattern, is expected to transfer its precipitation-related atmospheric conditions to the West Coast via changes in strong winds.
The new ASPIRE center will develop holistic solutions for vehicle electrification and decarbonization of the electric grid. Researchers will focus on charging technology integrated into roadways and parking facilities to eliminate range and charging as obstacles, enabling low-cost, sustainable solutions.
As electric vehicles accelerate, cities and utilities face the challenge of smoothing out the duck curve and avoiding costly new infrastructure. Smart charging strategies can help reduce demand peaks and fill in the gap.
Researchers at NREL have found that driving electric vehicles can save motorists as much as $14,500 on fuel costs over 15 years. The study considered state-by-state differences and the cost of charging equipment and installation costs to estimate total fuel cost savings.
Engineers have developed high-power direct borohydride fuel cells that can power unmanned underwater vehicles and drones with significantly lower cost. The new fuel cells operate at double the voltage of conventional hydrogen fuel cells, allowing for a smaller and more efficient design.
A new study from Georgia Institute of Technology reveals surprising findings about electric vehicle drivers' perceptions of charging stations, highlighting the importance of quality infrastructure. Contrary to conventional wisdom, public charging stations do not receive more positive reviews than private ones, and dense urban areas exp...
Researchers at Skoltech and MIPT predicted and experimentally confirmed the existence of exotic hexagonal NaCl thin films on a diamond surface. The films may be useful as gate dielectrics for field-effect transistors in electric vehicles and telecommunication equipment.
A new machine learning method can predict battery health with 10x higher accuracy, enabling safer and more reliable batteries for electric vehicles and consumer electronics. The method is non-invasive and uses electrical pulses to measure the response of lithium-ion batteries.
Researchers at the University of Tokyo have developed a new fluorinated cyclic phosphate solvent electrolyte that improves upon existing ethylene carbonate, offering nonflammable properties and increased voltage tolerance. This breakthrough could lead to longer journeys in electric vehicles and improved fire safety in home energy storage.
Researchers from ETH Zürich found that single-family households with behavioral change can achieve total self-sufficiency by 2050. However, multi-family buildings require advancements in photovoltaic technology to reach the same level of energy independence.
A new study explores strategies that could help reduce emissions from the transport industry by combining economic and transport models and data from 17 regions around the world. In one scenario, countries producing only electric vehicles and implementing a carbon pricing strategy led to a global mean temperature increase of 1.82 degre...
The study found that cobalt supply is adequate in the short term, but could be affected by refining and recycling. The researchers recommend increasing efficient capacity to meet growing demand from consumer electronics and electric vehicles. By 2030, the team estimates cobalt demand will reach 235-430 thousand metric tons.
A team at Stanford University developed a machine learning-based method that accelerates battery development for electric vehicles, reducing testing times from almost two years to 16 days. The approach optimizes the charging process, finding better protocols to test and predicting battery performance based on only a few charging cycles.
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.
Researchers from Texas A&M University developed new supercapacitor electrodes using dopamine-functionalized graphene and Kevlar nanofibers, significantly improving mechanical performance. This breakthrough paves the way for creating sturdy, stiff batteries, which could enable lighter electric vehicles and aircraft.
Skoltech researchers created potassium-based batteries with record-high energy density and impressive stability, offering an alternative to lithium-ion batteries. The batteries charge in under 10 seconds and retain their capacity after thousands of cycles.
A new study highlights the need for governments and industry to act now to develop a robust recycling infrastructure for end-of-life lithium ion batteries. The UK has an enormous opportunity to address this issue, with analysis suggesting eight gigafactories are needed by 2040 to service demand for recycled materials.
Researchers at Argonne National Laboratory have developed a new mechanism to speed up lithium-ion battery charging using concentrated light. By exposing the cathode to white light, the charging time is reduced by a factor of two without degrading battery performance.
Researchers develop self-heating battery to charge EVs in 10 minutes for 200-300 mile range, maintaining 2,500 cycles or half a million miles. Lithium plating reduces cell capacity and causes electrical spikes.
Researchers have developed a lithium ion battery design that can charge an electric vehicle in just 10 minutes, increasing its driving range. The design uses elevated temperatures to increase reaction rates and keeps the cell cool during discharge, eliminating the risk of lithium plating and improving cycle life.
The UC3M has developed a completely autonomous electric vehicle to replace combustion vehicles in the Timanfaya National Park. The minibus features level 5 autonomy, allowing it to operate without human control, and advanced AI perception systems for navigation and localization.
Researchers at Stanford University have developed a coating that overcomes some of the battery's defects, extending its life and making it safer. The coating prevents dendrites from forming, which can cause the battery to combust or create a short circuit.
A team of researchers, led by Professor Yu Zhu, has developed a novel shear-thickening electrolyte that can improve the safety of lithium ion batteries used in electric vehicles. The electrolyte becomes thicker under impact, preventing short-circuiting and fires.
Researchers found that electric vehicles can improve air quality in Houston by reducing nitrogen oxides and volatile organic compounds emitted by gasoline and diesel vehicles. The study suggests that complete electrification of transportation could prevent up to 246 premature deaths annually in greater Houston by 2040.
A study suggests that transitioning to electric vehicles could reduce cardiopulmonary illness due to air pollution, leading to improved quality of life. The research found that the financial costs of building charging infrastructure are lower than the health benefits in many scenarios.
Acoustic vehicle alerting systems may improve safety but also increase noise pollution, posing a risk to pedestrians with limited vision. Experts are studying how to design effective alerts while minimizing distractions.
The project aims to reduce cost, weight, and volume of systems powering hybrid and plug-in electric vehicles while improving performance, efficiency, and reliability. Researchers will design silicon-carbide integrated circuits for power modules and develop methods for packaging and integrating these circuits with other components.
The study found that electric vehicles have a net positive impact on air quality and climate change, reducing ozone and particulate matter pollution. Transitioning to EVs can improve public health, even with current energy mixes, as long as power generation shifts towards clean energy sources.
The UMass Lowell team's innovation uses water, carbon dioxide, and cobalt to produce hydrogen gas on demand, powering fuel cells and reducing emissions. This technology could enable electric vehicles of all sizes to run longer and is poised to address the growing demand for green energy.
A team of Columbia professors has designed a data-driven model to predict Li-Ion battery performance, aiming to reduce error rates from five percent to one percent. The model can help extend battery life and improve electric vehicles' efficiency by predicting charge levels and identifying weak cells.
Researchers at Brookhaven National Laboratory have identified the causes of capacity fading in nickel-rich layered materials, which could lead to improved battery performance for electric vehicles. The team used multiple research techniques, including synchrotron light sources and machine learning, to pinpoint the problem and provide p...
The new AC-DC hybrid distribution system minimizes power conversion requirements, reducing energy loss and infrastructure costs. This leads to lower electricity prices and improved service reliability for households and industries.
Researchers at the University of Illinois Chicago have developed 15 new types of 2D transition metal dichalcogenides that can act as catalysts in lithium-air batteries. These materials enable batteries to store up to 10 times more energy and charge faster, potentially increasing electric vehicle range to 400-500 miles on a single charge.
Researchers at Simon Fraser University are working to improve the efficiency of light electric vehicles by developing next-generation 'passive' cooling solutions for battery chargers. Graphite is being used to enhance thermal performance, eliminate parasitic cooling power, and decrease electromagnetic interference.
Virginia Tech has received a $3 million grant from the US Department of Energy to develop comprehensive solutions for electric vehicle charging infrastructure cybersecurity. The team will focus on mitigating threats and ensuring the reliability of EV transportation, including fast charging systems and user privacy.
Researchers at Shinshu University developed a self-assembled monolayer coating that promotes efficient transportation within electrodes, suppressing side reactions in high-voltage lithium-ion batteries. The coating improved power density and cyclability, allowing the battery to maintain capacity even after 100 cycles.
Researchers at North Carolina State University have developed a new electric vehicle fast charger that is 10 times smaller and wastes 60% less power than existing systems. The technology, called medium voltage fast charger (MVFC), has an efficiency of at least 97.5%, reducing operating costs and increasing revenue for consumers.
New research from Idaho National Laboratory found that cold temperatures significantly impact EV charging efficiency, leading to longer charging times. The study analyzed data from a fleet of electric vehicles in New York City, revealing a decrease in battery state of charge with lower temperatures.
Physicists develop mathematical formula to approximate magnetic field circulation around a closed path or loop, based on Biot-Savart's law. The study provides a new approach to evaluate the effects of magnetic fields on human health and prevent exposure.
A new study by University of Sussex researchers recommends targeting highly educated women and retirees for electric vehicle sales, citing their environmental awareness and characteristics that make them ideal customers. The study highlights the need for a nuanced approach to increase electric car ownership, transcending gender neutral...
Researchers at Penn State developed a self-heating battery that can rapidly charge regardless of outside temperature. The battery's unique design allows for 15-minute charging at temperatures as low as -45 degrees F, reducing range anxiety and increasing driving distances.
Penn State engineers have developed a new lithium-ion battery that can charge electric vehicle batteries up to 10 times faster than current technology, regardless of temperature. The breakthrough could be a major selling point for customers and accelerate the adoption of electric vehicles.
A team led by CSU researcher Jason Quinn will evaluate the feasibility and benefits of wireless electric vehicle charging. The project aims to reduce emissions and cost associated with traditional charging methods.
The US Department of Energy's Oak Ridge National Laboratory has developed a direct-current detector technology to aid emergency responders in detecting high voltages from electric vehicles and homes. The handheld device can accurately detect DC voltages, enabling safer rescue efforts.
Researchers found that private electric vehicles can reduce CO2 emissions by incentivizing slow charging, while electrifying buses and taxis is the most effective option for improving air quality in Beijing. The study's strategy aims to maximize the benefits of renewables by managing vehicle charging.
Researchers developed a model to test the cost and capabilities of a fleet of shared, automated electric vehicles in New York City. The study found that about 6,500 vehicles could be sustained on 1,500 medium-power electric vehicle chargers across Manhattan, resulting in a 33,000-ton reduction in carbon dioxide emissions per year.
Researchers at Berkeley Lab analyzed the cost, energy, and environmental implications of a fleet of self-driving electric vehicles operating in Manhattan. They found that shared automated electric vehicles could get the job done at a lower cost while reducing greenhouse gas emissions and energy consumption.
University of Colorado Boulder engineers are developing a proof of concept for wireless power transfer that can transmit electrical energy through electric fields at high frequencies. This technology has the potential to enable electric vehicles to charge on the go, reducing the need for frequent charging stations and increasing drivin...
Research by NREL found that up to 3% of PEVs on the road (7.5 million vehicles) does not significantly increase residential power demand. However, uncoordinated charging in clusters may overload distribution transformers, requiring infrastructure upgrades.
Researchers at the University of Waterloo have developed a new battery technology that uses lithium metal electrodes to increase energy storage capacity. The breakthrough enables electric vehicles to travel up to 600 kilometres on a single charge, three times the current range.