Tech
Researchers analyze future European energy demand for battery cell production
Europe accounts for about 25% of global electric vehicle sales. Despite the high demand, only around 6.8% of the energy required for cell production is currently supplied in Europe. Most of the energy is imported in the form of materials and battery cells.
A team led by Prof Simon Lux (University of Münster and Fraunhofer Research Institution for Battery Cell Production) has now analyzed the future energy requirements associated with the European Union’s (EU) goal of strengthening European battery supply chains. The study is published in the journal Energy & Environmental Science.
In order to achieve self-sufficiency by 2050, the researchers predict the EU will have to meet an annual increase in energy demand for local battery cell production from the current level of around 3.5 terawatt hours (TWh) per year to 250 TWh annually. This would only be possible if a well-developed recycling infrastructure were in place by then.
In addition, Europe would need 200 to 250 TWh to charge electric vehicles and compensate for efficiency losses when discharging batteries for electric vehicles and stationary storage systems. Nevertheless, the increasing energy demand for lithium- and sodium-ion batteries would be offset by 90 TWh of upstream fossil fuel energy.
“Strengthening local battery supply chains is crucial to reducing energy dependence,” says Lux. “However, it also requires the supply of significant amounts of energy in Europe.” Battery-based electricity demand is growing disproportionately compared to total electricity demand, which will require major investments in renewable electricity generation and the corresponding infrastructure.
It will also be crucial for Europe to maximize battery recycling rates and recycling efficiency to reduce import dependency and future energy demand. The researchers assume that there will be significant recycling capacity in Europe (approx. 800 gigawatt hours of battery capacity are expected to be recycled annually from 2050 onwards). This could reduce the energy required for battery production in Europe by 33 to 46%.
However, the current recycling infrastructure is still in its early stages of development. The researchers therefore conclude that European policymakers need to implement effective regulations that enable companies to develop viable and sustainable recycling capabilities.
The study is based on a life-cycle assessment analysis utilizing data from recent research studies and the ecoinvent database. In addition, the research team performed the energy demand analysis using a simulation model, developed by the Institute of Business Administration at the Department of Chemistry and Pharmacy at the University of Münster, which represents a simplified battery circular economy.
More information:
Lukas Ihlbrock et al, Future Energy Demand for Automotive and Stationary Lithium- and Sodium-Ion Battery Production towards a European Circular Economy, Energy & Environmental Science (2025). DOI: 10.1039/d5ee02287h
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Researchers analyze future European energy demand for battery cell production (2025, September 16)
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Tech
Climate Change Made Hurricane Melissa 4 Times More Likely, Study Suggests
This story originally appeared on Inside Climate News and is part of the Climate Desk collaboration.
Fueled by unusually warm waters, Hurricane Melissa this week turned into one of the strongest Atlantic storms ever recorded. Now a new rapid attribution study suggests human-induced climate change made the deadly tropical cyclone four times more likely.
Hurricane Melissa collided with Jamaica on Tuesday, wreaking havoc across the island before tearing through nearby Haiti and Cuba. The storm, which reached Category 5, reserved for the hurricanes with the most powerful winds, has killed at least 40 people across the Caribbean so far. Now weakened to a Category 2, it continues its path toward Bermuda, where landfall is likely on Thursday night, according to the National Hurricane Center.
Early reports of the damage are cataclysmic, particularly in hardest-hit western Jamaica. Winds reaching speeds of 185 miles per hour and torrential rain flattened entire neighborhoods, decimated large swaths of agricultural lands and forced more than 25,000 people—locals and tourists alike—to seek cover in shelters or hotel ballrooms. According to the new attribution study from Imperial College London, climate change ramped up Melissa’s wind speeds by 7 percent, which increased damages by 12 percent.
Losses could add up to tens of billions of dollars, experts say.
The findings echo similar reports released earlier this week on how global warming contributed to the likelihood and severity of Hurricane Melissa. Each of the analyses add to a growing body of research showing how ocean warming from climate change is fueling the conditions necessary for stronger tropical storms.
Hurricane Melissa is “kind of a textbook example of what we expect in terms of how hurricanes respond to a warming climate,” said Brian Soden, a professor of atmospheric sciences at the University of Miami, who was not involved in the recent analyses. “We know that the warming ocean temperatures [are] being driven almost exclusively by increasing greenhouse gases.”
The storm has disrupted every aspect of life in this part of the Caribbean.
“There’s been massive dislocation of services. We have people living in shelters across the country,” Dennis Zulu, United Nations resident coordinator in Jamaica, said in a press conference on Wednesday. “What we are seeing in preliminary assessments is a country that’s been devastated to levels never seen before.”
The Climate Connection
For the rapid attribution study, researchers at Imperial College used the peer-reviewed Imperial College Storm Model, known as IRIS, which has created a database of millions of synthetic tropical cyclone tracks that can help fill in gaps on how storms operate in the real world.
The model essentially runs simulations on the likelihood of a given storm’s wind speed—often the most damaging factor—in a pre-industrial climate versus the current climate. Applying IRIS to Hurricane Melissa is how the researchers determined that human-induced warming supercharged the cyclone’s wind speed by 7 percent.
Tech
We Had Interior Designers Blind Judge 10 Popular Artificial Christmas Trees
Tech
Gear News of the Week: Withings Launches Its Pee Scanner, and Samsung Shows Off a Trifold Phone
A few weeks ago, bathroom and plumbing company Kohler debuted the Dekoda, a health and wellness sensor that lives on your toilet bowl and records signs of your gut health and hydration. Now, Withings has launched the U-Scan. First shown at CES in 2023, the U-Scan also sits inside the toilet bowl. A thermal sensor detects when a fresh, er, sample is being deposited. The U-Scan takes a small sample and analyzes it on-site with miniature biochemical sensors inside an interchangeable cartridge.
There are two separate U-Scans. U-Scan Nutrio analyzes your diet, checking for biomarkers like bio-acidity, hydration status, and ketone levels, which shows that you’ve started burning body fat instead of sugar. U-Scan Calci also checks for calcium, which is a sign that you might have kidney stones. Results are then transmitted via Wi-Fi to the Withings app.
The cartridges are replaceable, and the sensor comes with a docking station to clean and recharge the sensor. Purchasing the U-Scan comes with a complimentary subscription to Withings+, the company’s upgraded app, which also includes a free consultation with a nutritionist.
The U-Scan packages start at $380, which comes with one U-Scan, either Nutrio or Calci, one cartridge, and two to four scans weekly (each cartridge lasts about 2.5 months). For more intensive monitoring, the Intensive package includes two cartridges for five to seven weekly measurements. Replacement cartridges are $100 for one cartridge or $180 for two, and Withings sends you the cartridge automatically depending on which package you select. The U-Scan is now available at Withings.com. We’ll be testing it soon. —Adrienne So
Samsung Brings Its Browser to Windows, and Teases a Trifold Phone
Samsung has long offered its own browser on its smartphones—Samsung Internet—but now the app is finally available on another platform: Windows. Considering Samsung makes Windows laptops and Android phones, this move allows folks who use the company’s browser to share their browsing history and bookmarks between phone and laptop, and if you have saved passwords with Samsung Pass, you can use it to autofill passwords on websites.
The company is taking this opportunity to bring some Galaxy AI features over as well, including Browsing Assist, which lets you instantly summarize webpages or translate them to another language. Samsung says its browser also blocks third-party web trackers, and there’s a Privacy Dashboard that lets you see what has been blocked.
Samsung Internet for PC is only available as a beta right now, but anyone in the US or South Korea on Windows 11 or Windows 10 (version 1809 and above) can download it now.
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