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Battery Technology

Every EVXL story tagged “Battery Technology” — newest first.

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BYD Denza Z9GT Claims World's Longest EV Range at 1,036 Km, But CLTC Numbers Need Context
Battery Technology · BYD

BYD Denza Z9GT Claims World’s Longest EV Range at 1,036 Km, But CLTC Numbers Need Context

Range claims from China’s test cycle deserve scrutiny. The CLTC (China Light-duty vehicle Test Cycle) consistently produces numbers well above what real-world driving delivers — typically estimated at 20-30% higher than EPA-rated figures. Keep that in mind when reading what BYD‘s luxury brand Denza just announced for the refreshed Z9GT, as reported by CNEVPost on…

Nankai University's 700 Wh/kg Battery Makes CATL's Best Look Like Yesterday's Tech
Tesla

Nankai University’s 700 Wh/kg Battery Makes CATL’s Best Look Like Yesterday’s Tech

A research paper published in Nature on February 25 describes a lithium metal battery that hits 700 Wh/kg at room temperature — nearly three times the energy density of CATL’s Qilin, currently considered the ceiling of commercial battery technology. The team behind it is from Nankai University in Tianjin and the Shanghai Institute of Space…

Renault Kills Ampere: New CEO Dismantles De Meo's EV Spinoff in Latest European Retreat
Renault

Renault Kills Ampere: New CEO Dismantles De Meo’s EV Spinoff in Latest European Retreat

Renault SA plans to reintegrate its Ampere electric vehicle and software operations back into the parent company, reversing a strategy that never delivered the €10 billion valuation former CEO Luca de Meo once promised investors. The French automaker is meeting with labor unions today to discuss the reorganization. Bloomberg reports that CEO François Provost is…

Verge Motorcycles vs. The Solid-State Hype Machine: Why Scientists Don't Believe Finland's 'Holy Grail' Battery Claims
Tesla

Verge Motorcycles vs. The Solid-State Hype Machine: Why Scientists Don’t Believe Finland’s ‘Holy Grail’ Battery Claims

Finnish electric motorcycle maker Verge Motorcycles and its technology spinoff Donut Lab just announced the world’s first production vehicle with solid-state batteries at CES 2026. The $30,000 TS Pro promises 200+ miles of range, sub-10-minute charging, and 100,000 charge cycles. There’s just one problem: the company has shared zero technical data, zero third-party validation, and…

Ford and GM Spark Tesla's Charging Dominance. Tesla Model # Performance at a Tesla Supercharger location. Copyright EVXL.co
Tesla

EV Battery Degradation Study Reveals The Real Threat Isn’t Your Battery – It’s How You Charge It

For years, the biggest anxiety holding back prospective EV buyers wasn’t range – it was battery degradation. We’ve been covering this concern since EVXL’s founding, watching the narrative shift from “EV batteries die after 5 years” to something far more nuanced. Now, a comprehensive new study from fleet telematics company Geotab analyzing over 22,700 electric…

Tesla Senior Engineering Executive Bids Adieu for New Venture
Tesla

Cobalt Mining Exposé Reveals the Uncomfortable Truth Every EV Buyer Should Know

The electric vehicle revolution runs on cobalt, and a devastating new book exposes exactly whose hands dig it out of the ground. “The Elements of Power” by New Yorker journalist Nicolas Niarchos traces the battery supply chain from Congolese mines to Chinese factories to the EVs parked in American driveways, and the picture isn’t pretty.…

Tesla’s German Sales Collapse 55% While BYD Surges in 2025
Tesla

Tesla’s $2.9 Billion Battery Deal Collapses to $7,386, Confirming 4680 Program Failure

We’ve been tracking Tesla’s 4680 battery saga since Elon Musk unveiled it at Battery Day in 2020, promising it would enable a $25,000 EV within three years. Five years later, we have the clearest evidence yet that those promises have collapsed: a $2.9 billion supply deal reduced to $7,386. That’s not a typo. That’s a…

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