Tag Archives: Battery

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Battery With Brains: How Porsche Engineered the Future Into the Cayenne Electric

By the time Porsche’s all-electric Cayenne hits showrooms in the coming weeks, the SUV landscape may feel the tremors. Porsche isn’t just electrifying its best-seller — it’s rebooting the idea of what “E-Performance” means for a family-sized luxury machine.

A Familiar Shape, New Heart

Underneath its still-camouflaged skin, the Cayenne Electric rides on a heavily reworked version of Porsche’s Premium Platform Electric (PPE), shared with the upcoming Macan Electric and next-gen Audi EVs. But this one’s been tuned for Porsche’s own particular brand of mischief. Its 800-volt architecture forms the backbone for the Cayenne’s most impressive party trick: devastatingly quick charging and relentless power delivery.

Range anxiety? Hardly. Porsche claims more than 600 kilometers (373 miles) on the WLTP cycle, and in independent real-world testing on U.S. highways, near-production prototypes managed 350 miles (563 km) at 70 mph — a figure that would make even Tesla blush. The key is efficiency, not just capacity.

Battery as Backbone

The magic starts with the Cayenne Electric’s 113-kWh function-integrated battery — a structural part of the chassis itself. Instead of being a heavy slab bolted underneath, it’s built right into the SUV’s bones. The result is a stiffer, more balanced vehicle with a center of gravity lower than some sports sedans. Porsche says the cell-to-housing ratio has improved by 12 percent over the Taycan, cutting weight and increasing energy density by 7 percent.

The chemistry inside those 192 large-format pouch cells is equally nerdy and impressive. With a high-nickel NMCA cathode and a graphite-silicon anode, the pack prioritizes both punch and endurance. The engineers squeezed an 86 percent nickel content for maximum energy density, while the silicon boosts charging speed — a clever pairing that translates to faster top-ups without frying the chemistry.

Cooling with a Brain

Thermal management has always been the secret sauce of Porsche’s EVs, and here it gets a major upgrade. The Cayenne Electric employs a dual-sided cooling system — top and bottom — capable of shifting as much heat as 100 household refrigerators. Yet it uses 15 percent less energy thanks to pressure fans instead of traditional suction units.

That hardware works hand-in-hand with Porsche’s new Predictive Thermal Management software, which does more thinking than your average meteorologist. It constantly analyzes driving style, route topography, and even traffic to keep the battery in its sweet spot. Headed to a charger on a hot day? The system preconditions the pack for maximum speed before you even arrive. The result: consistently fast charging, stable range estimates, and longer battery life.

Lightning in a 400-kW Bottle

Plug it into the right station, and the Cayenne Electric slurps down power like a parched marathoner — 400 kW at peak, jumping from 10 to 80 percent in under 16 minutes. Need a quick boost? Ten minutes adds over 300 kilometers (186 miles). The Cayenne maintains this high-speed charging up to around 50 percent state of charge, where most rivals already start slowing down.

And for those who can’t find an 800-volt charger, Porsche’s clever high-voltage switch allows 200-kW charging on standard 400-volt stations — no booster needed. It’s the kind of real-world engineering that makes this EV ready for both Autobahn blasts and backcountry detours.

Charging Without Cables

Looking ahead, Porsche will roll out wireless charging for the Cayenne Electric in 2026. Using an 11-kW inductive pad, the system automatically aligns and charges the vehicle when parked over it. The process is 90 percent efficient, fully automatic, and monitored via the My Porsche app — a neat bit of sci-fi convenience that could make plugging in feel very 2020s.

Porsche’s EV Maturity Moment

“The function-integrated battery, the double-sided cooling concept, and predictive thermal management demonstrate how we think comprehensively about technology,” says Dr. Michael Steiner, Porsche’s head of R&D. Translation: the Cayenne Electric isn’t a compliance car or an experiment. It’s a culmination — the point where Porsche stops proving it can build great EVs and simply does.

From its muscular architecture to its meticulous thermal control, everything about the Cayenne Electric screams confidence. It’s an electric SUV engineered not just to go far or charge fast, but to feel like a Porsche — taut, precise, and relentlessly efficient.

And if that means rewriting the rules for what a family-sized EV can be, well, Stuttgart seems perfectly fine with that.

Source: Porsche

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Stellantis Gives Old EV Batteries a New Mission: Powering Mobility for All

Stellantis is proving that an electric vehicle battery’s life doesn’t end when the car does. Through its circular economy arm, SUSTAINera, the automaker is repurposing high-voltage packs for “second-life” duty—and one of the most compelling examples yet isn’t powering a car, but helping people move in an entirely different way.

Meet AVATHOR ONE, an electric mobility device designed for wheelchair users and people with reduced mobility. Instead of relying on freshly built batteries, AVATHOR ONE runs on modules reclaimed from Stellantis EVs. The packs are collected in Turin, tested, and re-engineered by INTENT S.r.l., a local system integrator. The result: compact 1.4- or 2.8-kWh units that drive the device’s electric heart, backed by a modern battery management system.

Think of it as recycling meets inclusivity. “A second life for batteries, a new freedom of mobility for people,” is more than a slogan here—it’s a practical example of how automakers can merge sustainability and social responsibility without compromising technology.

The project is a local ecosystem done right. Stellantis supplies the used EV batteries. INTENT breaks down, repacks, and reintegrates them. Avathor, a Turin-based startup, builds the device itself, while legendary design house Italdesign shapes the product from its 2019 concept (the WheeM-i) into the market-ready AVATHOR ONE. The collaboration officially launched in April and has already been showcased globally—first at Expo 2025 Osaka, and next at the upcoming Salone Auto Torino.

And AVATHOR ONE isn’t just a feel-good story. It’s part of a much bigger Stellantis strategy to wring maximum value out of its EV batteries. Beyond mobility aids, SUSTAINera has partnered with utilities and battery integrators on large-scale energy storage, including ENEL X’s PIONEER project at Rome Fiumicino Airport. That installation—the largest of its kind in Italy—stores renewable energy, cuts CO₂ emissions by an estimated 16,000 tons over a decade, and shows that repurposed car batteries can scale well beyond niche applications.

The goal is nothing less than a 360-degree approach to EV battery life: Reuse, Repurpose, Remanufacture, and Recycle. In other words, keep these high-voltage packs working as long as possible before they hit the shredder.

For Stellantis, that strategy is both a business model and a statement. The company has seen “second-life” battery demand surge over the last three years, and it’s investing heavily to keep the momentum. If AVATHOR ONE is any indication, the payoff won’t just be measured in carbon savings—but in freedom of movement for people who need it most.

Source: Stellantis

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Toyota and Mazda Join Forces in Battery Storage Tests, Paving the Road Toward Carbon Neutrality

In an era when automakers are racing to electrify their fleets, Toyota and Mazda are quietly tackling one of the industry’s most critical—and often overlooked—challenges: energy management. The two Japanese giants have kicked off field tests of Toyota’s Sweep Energy Storage System at Mazda’s Hiroshima Plant, an initiative that could reshape how automakers handle renewable energy and battery life cycles.

What makes this test particularly intriguing is the infrastructure behind it. Mazda’s Hiroshima headquarters hosts Japan’s only automaker-operated power generation system. By connecting that unique setup to Toyota’s Sweep system—built around repurposed batteries from electrified vehicles—the companies can study how to stabilize, store, and distribute electricity with high efficiency. Think of it as a testbed for the next era of smart grids, only tailored for the auto industry.

The goal goes well beyond keeping EV batteries out of landfills. Renewable energy, whether it’s solar or wind, is famously inconsistent—supply fluctuates depending on weather and time of day. Toyota and Mazda’s system is designed to smooth those peaks and valleys, providing a stable energy stream that helps keep factories humming, cars charging, and emissions dropping. In short, it’s another step in making carbon neutrality not just a corporate slogan but an operational reality.

The project also plugs directly into a broader industry effort. The Japan Automobile Manufacturers Association has identified “building a battery ecosystem” as one of its seven critical mobility challenges. The aim: create a sustainable loop where critical resources are reused, battery lifespans are extended, and Japan’s supply chain is shielded from global disruptions. For Toyota and Mazda, that means finding ways to redeploy the very same vehicle batteries that once powered hybrids and EVs into factory energy storage units.

This collaboration underscores a uniquely Japanese approach to carbon neutrality: multipathway solutions. Instead of betting the house on one technology, Toyota and Mazda are exploring multiple avenues—from hydrogen and hybrids to storage and recycling—that could collectively steer the industry toward a cleaner, more resilient future.

For enthusiasts, the headline might not be as flashy as a new Supra or a next-gen MX-5. But make no mistake: these behind-the-scenes innovations are just as critical to the cars we’ll be driving tomorrow. After all, sustainable performance isn’t just about what’s under the hood—it’s about what powers the factory, the grid, and eventually, the road ahead.

Source: Toyota