Researchers at Chalmers University of Technology developed an AI method that adapts fast charging to the health of the battery, increasing its lifespan by almost 23%. The new strategy uses reinforcement learning and takes into account the battery's chemistry and state of health.
Researchers analyzed battery development in electric vehicles over 15 years, finding that market innovation can quickly address material shortages and price increases. The study suggests individual materials may not be as critical to the energy transition as previously thought.
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A novel energy management system (EMS) reduces converter count, battery stress, and hydrogen use in stand-alone hybrid photovoltaic and proton exchange membrane fuel cell microgrids. The EMS maintains DC-link stability while adapting to changing renewable generation and load conditions.
Researchers developed a health-aware V2G strategy using reinforcement learning to optimize charging and discharging times, resulting in significant lifecycle cost savings ($1,539) and extended battery life (21 months). The study suggests electric bus charging stations can be promising platforms for scalable V2G services.
Researchers designed a high-efficiency bidirectional wireless power transfer system for multiple electric vehicles, supporting both grid-to-battery and battery-to-grid operations. The system achieved high efficiency under various operating conditions, with demonstrated interoperability between different vehicle-side equipment.
A new planning framework proposes integrating bidirectional electric vehicle battery networks into sustainable communities, evaluating how EVs can support local energy systems. The framework models EVs as active participants in the neighborhood energy system, simulating grid interaction and energy exchange characteristics.
Researchers developed an energy-saving control strategy for intelligent connected plug-in hybrid electric vehicles that incorporates driving-intention identification of the vehicle ahead. The approach optimizes speed, improves energy economy, and maintains comfort and safety by anticipating front-vehicle behavior.
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Researchers propose a novel SENet-CNN-Transformer model to predict electric vehicle charging duration, outperforming existing models in accuracy and reducing training time. The approach combines data enhancement, channel attention, convolutional neural networks, Transformer modeling, and transfer learning to address real-world data sca...
A new study finds that aggressive policy action and cost reductions can accelerate the global shift to electric vehicles, reducing energy use and carbon emissions. The study suggests a uniform 20% reduction in non-energy costs could dramatically increase EV adoption rates, with market share rising from 25-50% to 70-85% globally by 2035.
A study by researchers from the University of Michigan and international institutions recommends prioritizing grid upgrades targeting long-term demand expectations to minimize total costs. By upgrading the grid first, utilities can create a more efficient infrastructure that leverages Vehicle-to-Grid (V2G) chargers more effectively.
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A new study suggests that electric vehicles can serve as a vast network of mobile batteries, storing excess energy and feeding it back into the grid when demand surges. This approach could ease grid strain, cut emissions, and create revenue, but only if paired with timely grid upgrades.
Researchers developed a novel lithium-ion battery anode that stores more than 3500 milliampere-hours per gram, outperforming current graphite-based batteries. The new design, VISiCNT, features a vertically integrated silicon-carbon nanotube structure that maintains performance and stability over hundreds of charge cycles.
Researchers examined how autonomous vehicles affect morning commutes and parking in business districts, finding that AVs could increase vehicle hours and miles traveled. Urban planners can adapt policies to accommodate AVs by adjusting parking fees or infrastructure, reducing total system cost by up to 28.5 percent.
Researchers developed an accurate detection approach for lithium plating in lithium-ion capacitors, enabling safe exploitation of their full potential. The study reveals that lithium plating initiates at a charging rate of 20 C and can be reversed under certain conditions, but above 50 C, irreversible 'dead' lithium accumulates.
A new study uses swarm intelligence to optimize the integration of distributed generation and fast Electric Vehicle Charging Stations in power distribution networks. The approach reduces active power losses by up to 68% and enhances voltage profiles across the network.
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A new fusion model combining CNN, GRU, and PF techniques achieves remarkable improvements in lithium-ion battery RUL prediction accuracy. This enhances safety and longevity in electric vehicles and grid applications.
A new study identifies the barriers to vehicle-to-grid (V2G) adoption, including coordination problems, limited infrastructure, and varying regulations. V2G technology can provide backup power during periods of high energy demand and earn EV owners money for supplying energy to the grid.
Researchers at Nagoya University present six advances in gallium oxide thin-film growth, including a world-first result growing the material on low-cost silicon substrates. The new High-Density Oxygen Radical Source doubles atomic oxygen density, promoting chemical reaction and film growth.
A team of researchers has developed a practical and powerful all-solid-state battery using lithium-sulfur conversion chemistry. By optimizing particle size and material arrangement, they achieved a discharge capacity of 1500 milliampere-hours per gram of sulfur, bringing the technology closer to realizing its theoretical capacity.
A groundbreaking system repurposes a vehicle's taillight as an LED matrix transmitter to enable data transmission between vehicles in platoons. The approach eliminates the need for roadside units or photodetectors, offering a secure and low-cost solution for V2V communication.
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Researchers at University of Michigan found that improved EV battery technology will outlast expected heat-related degradation from climate change, even in warming scenarios. The study's results suggest a boost to consumer confidence in EV batteries.
Researchers at Tokyo Metropolitan University have created a rotating tabletop device to test dynamic wireless power transfer for electric vehicles. They successfully replicated conditions of a car moving at 40 kilometers per hour, promising accelerated research into next-gen charging.
Researchers at the University of Chicago have developed a new dry-processed electrode architecture that improves battery performance, reduces cost, and has environmental benefits. The dry process eliminates toxic solvents and creates a more robust battery with better conductivity.
The study reveals that redefining the concept of electrode-electrolyte interphase layers can improve battery stability and performance. Researchers found that careful control of interphase properties through materials choice, electrolyte formulation, and binder selection can significantly extend battery life.
Researchers at IISc have developed a new gate stack that cuts gate leakage by up to 10,000 times, improving threshold stability and reaching high gate breakdown voltages. The advancements enable GaN technology adoption in high-reliability applications.
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The article highlights the psychological demands of self-driving cars on human brains, citing Professor McLeod's research and personal experience. He emphasizes the need for clearer interfaces, simulation-based training, and updated driving tests to address these challenges and ensure safe automation uptake across society.
The Bai lab has developed two patented technologies to improve electric vehicle (EV) charging and power conversion, in collaboration with FORVIA HELLA and Volkswagen Group of America. These innovations enable more efficient energy transfer between the AC grid, high-voltage car battery, and low-voltage car battery.
A Concordia University study reveals that nearly half of Montreal's elderly care facilities lack public EV charging stations within a 15-minute walk. This limits access not only for residents but also for caregivers and staff. Strategically placing new chargers in underserved areas can improve accessibility without expanding the network.
A new study from the University of Michigan found that used electric vehicles (EVs) currently offer the lowest lifetime cost of ownership, with significant savings for drivers. The researchers analyzed virtual vehicle models, monthly gas and electricity prices, and Craigslist data to determine the total cost of ownership for different ...
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The Advanced Driving Simulation Center enables researchers to realistically test and optimize vehicles, chassis, and advanced driver assistance systems. The simulator's high bandwidth generates fine vibrations, crucial for optimizing electric vehicle comfort.
A new study using satellite data confirms that California's shift to electric vehicles is making measurable differences in air quality and public health. For every 200 ZEVs added, nitrogen dioxide levels dropped 1.1%.
A team of researchers from Chonnam National University explores how boosting consumer trust can increase adoption of second-life EV battery tech. They found that transparent safety inspections and tailored messaging can improve adoption outcomes.
Stanford researchers have discovered a way to toughen the surface of a solid electrolyte fivefold against fracturing, making it more durable for next-generation energy storage technologies. The silver coating also prevents lithium from intruding and growing destructive branches inside the electrolyte.
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A team of researchers developed a comprehensive framework for electric vehicle (EV) range prediction and intelligent management using real-world data. The framework, which incorporates driving behavior, ambient temperature, and battery State of Health, improves prediction accuracy by up to 30%.
Researchers have uncovered root causes of battery failure, including nanoscopic strains that lead to cracking. The study identifies distinct mechanical failure modes and composition requirements for single-crystal cathodes.
A new study from the University of Michigan and Ford Motor Company suggests that EV owners can save thousands on their energy bills and cut carbon emissions by using their vehicles' batteries to power households. The technology, known as V2H, can reduce lifecycle greenhouse gas emissions from a household's electricity use by 70-250%.
Hua Bai and Sheng Dai, faculty members at the University of Tennessee, have been elected National Academy of Inventors (NAI) Fellows for their innovative research in power electronics and advanced materials. Their work has led to significant advancements in electrical vehicle technology and energy-related applications.
The University of Toronto has launched Electric Vehicle Innovation Ontario (EVIO), a partnership between industry and academia to develop next-generation electric vehicle technologies. The program will generate over $30 million in economic activity, expand firm-level R&D capacity, and create new Canadian intellectual property.
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A recent study by the University of Leeds found that electric vehicles (EVs) are no more dangerous to pedestrians than traditional petrol or diesel cars. The research compared pedestrian casualty rates between EVs and non-electric vehicles, finding no significant difference.
A team of researchers designed a custom approach sound library for electric vehicles using low-frequency noise, which was found to be more effective at alerting pedestrians. The sounds were tested with volunteers and ranked highly on criteria such as urgency and noticeability.
A new virtual battery model and charger sharing concept improve local energy markets for efficient distribution network operation. This approach enhances grid stability, reduces investment costs, and supports the shift away from fossil fuels.
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Researchers at SwRI discovered a security vulnerability in the Signal Level Attenuation Characterization (SLAC) protocol used in electric vehicle-to-grid communications. The team successfully modeled and replicated a machine-in-the-middle attack that could manipulate or halt EV charging processes.
This research uses D-STATCOM to dynamically balance loads and supply reactive power at charging stations, improving power quality and reducing energy waste. The study showcases superior reactive power management, stabilizing the low-voltage distribution network and enabling more reliable EV infrastructure.
The team successfully tested a hybrid Cessna 337 plane with a smaller, more efficient silicon carbide-based motor drive system. The technology reduces the overall size and weight of the plane, making it ideal for small aircraft where space is limited.
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Researchers at Yonsei University have developed a groundbreaking fluoride-based solid electrolyte that enables all-solid-state batteries to operate beyond 5 volts safely. The innovation allows spinel cathodes to operate efficiently and retain over 75% capacity after 500 cycles.
A new study finds that electric vehicles outperform gasoline cars in lifetime environmental impact, with a reduction in cumulative CO2 emissions after two years of use. The transportation sector accounts for 28% of US greenhouse gas emissions and adopting electric vehicles can improve climate and air quality.
A new study published in Nature Nanotechnology reveals a double-layer electrode design that improves the cyclic stability and fast-charging performance of automotive batteries. The breakthrough could reduce costs by 20-30% and pave the way for next-generation high-performance batteries.
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Researchers at NIT Puducherry unveiled an energy-efficient model predictive current control (MPCC) method that enhances induction motor drive performance in electric vehicles. The CSVVV-based MPCC introduces a novel way to synthesize voltage vectors, reducing switching losses and current ripple.
A new study suggests that electric vehicles can help mitigate climate change and public health issues by strategically charging and discharging from the grid. By doing so, EVs can sell stored energy back to the grid, reducing emissions and helping to build more renewable energy generators.
Researchers developed a new diagnostic metric called State of Mission (SOM) to predict EV battery performance based on both battery data and environmental factors. SOM significantly reduced prediction errors compared to traditional methods.
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A survey by University of Washington researchers found that participants with a negative view of public charging were less likely to choose an electric vehicle than those with a moderate view. Participants demanded strikingly large concessions, such as a 30% discount or 366 extra miles of range, before choosing an EV.
Researchers at IISc have developed a novel cascaded H-bridge-based multiport DC converter to directly connect to the medium-voltage AC grid, eliminating the need for large and expensive LFTs. This technology offers a 3-5% improvement in energy efficiency and reduces costs, making electric vehicle charging stations environmentally frien...
A team at the University of Kansas will develop intelligent spectrum management frameworks to enable reliable communication for drones. They aim to study how to use a proposed 5030-5091 MHz frequency band efficiently, with potential benefits including quicker deliveries and improved emergency response.
Researchers predict EU will need to meet 250 TWh annually for local battery cell production by 2050, offsetting 90 TWh of upstream fossil fuel energy. Maximizing recycling rates could reduce import dependency and future energy demand.
A new study by Purdue University engineers warns that a nationwide switch to electric homes and vehicles could overwhelm the power supply, leading to increased risk of outages. However, key measures such as home insulation, equipment efficiency, and coordinated device operation can reduce costs by up to 40%.
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A recent study published in the Journal of Safety Research found that rented e-bikes have an eight times higher crash risk than rented e-scooters, calculated based on trip distance. The researchers used GPS data to compare micromobility in seven European cities and found a surprising result.
University of Oklahoma mechanical engineering professor Dong Zhang is leading efforts to advance EV battery technologies, exploring advances in battery mechanisms and chemistries. His NSF-funded work aims to develop physics-based models to predict the performance of battery cells with silicon-graphite composite material.
A new study by the University of Otago warns that electric vehicles will lead to increased winter electricity peaks in Aotearoa. The research shows that charging EVs in winter requires more energy, potentially increasing monthly consumption by up to 30% by 2050.
The University of Michigan has expanded its open-access Battery Lab with a new facility, increasing capacity for lithium-ion battery production and prototyping. The lab now offers advanced equipment, including an automated laser welder and three-megawatt-hour battery production line.
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