Battery Technology · Solid-State
QuantumScape's Osprey Hits 1,000 Cycles in Small Lab Cells
QuantumScape's all-solid-state Osprey cell kept about 80% capacity after 1,000 cycles at one atmosphere. The five-minute charge needed 176°F.
Battery Technology
EV battery technology without the hype: the lab results that matter (and how far from production they are), real-world failure and longevity data, and the chemistry race under every range claim.
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BMW
BMW Adds Samsung SDI and LG as New Gen6 Battery Cell Suppliers
BMW named Samsung SDI and LG Energy Solution as Gen6 cell suppliers. Korean reports put the cells in Hungary and Arizona, from 2028 or 2029.
Battery Technology
CATL's Lithium-Air Research Isn't a 1,243-Mile EV Battery
CATL has not unveiled a 1,243-mile lithium-air EV battery. The headline traces to a May remark by its chief scientist and a theoretical energy figure.
Giga Berlin
Tesla to File for Giga Berlin's Second Hall in December, No New Water
Tesla plans a 536,000 m² second hall at Giga Berlin, filing in December for a 2027 start inside its water contract. Its utility says the wells are maxed.
BYD
BYD Names Altior Luxury EV Ahead of Planned UAE Reveal
BYD's Yangwang flagship sedan, formerly Project HU, is now the Altior. A Dubai reveal around November 5 and a $300,000 price remain unconfirmed estimates.
Model 3
Tesla Model 3 Cannonball Math: 16 Charging Stops Beat 10 by 15 Hours
A Model 3 at 56 mph used 37% less energy than at 87 mph. EVXL ran both across the 2,816-mile Cannonball on Superchargers. The fast car won by 15 hours.
Subaru
Subaru's 510-HP EV Prototype Tests More In-House Technology
Subaru showed a 510-hp in-house EV prototype at Sano with a lighter Panasonic battery, an AMD-chip ECU and a 2029 target, months after delaying its EVs.
Volkswagen
VW Starts Capping UK ID. Buzz Charging at 80% Ahead of Recall
VW began limiting some UK ID. Buzz and ID. Buzz Cargo vans to 80% charge the week of October 12 over a fire risk. Owners can set Battery Care Mode now.
The reliability truth
EV batteries post a 0.3% failure rate while buyers keep pricing in a repair bill the data says almost never comes
The lab frontier
Nankai University published a 700 Wh/kg cell in Nature — roughly triple today's production energy density
The discipline
Lab density and production reality are different sports; we always say which one a number belongs to
Battery technology is the story underneath every other EV story — every range claim, every price cut, every used-car valuation — and this desk covers it with one discipline: say whether a number comes from a lab or a production line.
The production-line truth is better than the market believes: EV batteries post a 0.3% failure rate while buyers price in a repair bill that almost never comes. That perception gap misprices used EVs across the board, and closing it is worth more to most buyers than any breakthrough.
The lab frontier is genuinely moving: Nankai University’s 700 Wh/kg cell, published in Nature, is roughly triple production energy density — and a decade-scale, high-attrition road from paper to pack. Between the two sit the claims that need a cycle label: the Denza Z9GT’s 1,036 km CLTC headline reads differently on the EPA desk.
The industrial race — who builds the packs, in which country, behind which tariff wall — runs through the China desk. Every battery story lands in the feed below.
How long do EV batteries actually last?
Far longer than buyers assume: real-world data puts the failure rate around 0.3%, while used-EV pricing still bakes in a phantom replacement bill. The perception gap is one of the biggest market inefficiencies in used EVs.
What would a 700 Wh/kg battery mean?
Roughly triple today's production energy density — the Nankai cell published in Nature is genuinely striking science. It is also a lab result, and the road from Nature paper to production pack is a decade-scale story with high attrition. We report both halves.
Should I wait for solid-state batteries?
No. Waiting for the next chemistry is how people don't drive EVs for a decade. Today's packs post the 0.3% failure rate; buy on today's numbers and let the labs surprise you.
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